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authorPeter Maydell <peter.maydell@linaro.org>2014-08-22 16:12:51 +0100
committerPeter Maydell <peter.maydell@linaro.org>2014-08-22 16:12:51 +0100
commit33886ebeec0c0ff6253a49253fae0db44c9ed0f3 (patch)
tree1e666965b66772c0d5e64beb98a7585c08936fd8
parent43fe62757b0b90af448e02c9bd55b62960556360 (diff)
parentbd39e6ed0b88a1473c652c97e731a156cccf16e2 (diff)
downloadqemu-arm-33886ebeec0c0ff6253a49253fae0db44c9ed0f3.tar.gz
Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches # gpg: Signature made Fri 22 Aug 2014 14:47:53 BST using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (29 commits) qemu-img: Allow cache mode specification for amend qemu-img: Allow source cache mode specification vmdk: Use bdrv_nb_sectors() where sectors, not bytes are wanted blkdebug: Delete BH in bdrv_aio_cancel qemu-iotests: add test case 101 for short file I/O raw-posix: fix O_DIRECT short reads block/iscsi: fix memory corruption on iscsi resize block/vvfat.c: remove debugging code to reinit stderr if NULL iotests: Add test for image filename construction quorum: Implement bdrv_refresh_filename() nbd: Implement bdrv_refresh_filename() blkverify: Implement bdrv_refresh_filename() blkdebug: Implement bdrv_refresh_filename() block: Add bdrv_refresh_filename() virtio-blk: fix reference a pointer which might be freed virtio-blk: allow block_resize with dataplane block: acquire AioContext in qmp_block_resize() qemu-iotests: Fix 028 reference output for qed test-coroutine: test cost introduced by coroutine iotests: Add test for qcow2's cache options ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--block-migration.c6
-rw-r--r--block.c149
-rw-r--r--block/archipelago.c6
-rw-r--r--block/blkdebug.c101
-rw-r--r--block/blkverify.c29
-rw-r--r--block/bochs.c2
-rw-r--r--block/gluster.c8
-rw-r--r--block/iscsi.c5
-rw-r--r--block/nbd.c36
-rw-r--r--block/nfs.c2
-rw-r--r--block/parallels.c2
-rw-r--r--block/qcow.c2
-rw-r--r--block/qcow2-cache.c13
-rw-r--r--block/qcow2-cluster.c2
-rw-r--r--block/qcow2-refcount.c8
-rw-r--r--block/qcow2-snapshot.c8
-rw-r--r--block/qcow2.c120
-rw-r--r--block/qcow2.h13
-rw-r--r--block/qed-check.c3
-rw-r--r--block/quorum.c39
-rw-r--r--block/raw-posix.c11
-rw-r--r--block/rbd.c6
-rw-r--r--block/sheepdog.c6
-rw-r--r--block/vdi.c2
-rw-r--r--block/vhdx-log.c2
-rw-r--r--block/vhdx.c4
-rw-r--r--block/vmdk.c18
-rw-r--r--block/vvfat.c19
-rw-r--r--blockdev-nbd.c2
-rw-r--r--blockdev.c15
-rw-r--r--hw/block/dataplane/virtio-blk.c1
-rw-r--r--hw/block/nvme.c8
-rw-r--r--hw/block/virtio-blk.c3
-rw-r--r--hw/ide/ahci.c2
-rw-r--r--hw/ide/microdrive.c2
-rw-r--r--include/block/block.h1
-rw-r--r--include/block/block_int.h6
-rw-r--r--qemu-img-cmds.hx20
-rw-r--r--qemu-img.c97
-rw-r--r--qemu-img.texi16
-rw-r--r--qemu-io-cmds.c21
-rw-r--r--qemu-io.c2
-rwxr-xr-xtests/image-fuzzer/runner.py50
-rwxr-xr-xtests/qemu-iotests/0281
-rw-r--r--tests/qemu-iotests/028.out3
-rwxr-xr-xtests/qemu-iotests/099116
-rw-r--r--tests/qemu-iotests/099.out20
-rwxr-xr-xtests/qemu-iotests/10158
-rw-r--r--tests/qemu-iotests/101.out10
-rwxr-xr-xtests/qemu-iotests/10399
-rw-r--r--tests/qemu-iotests/103.out29
-rw-r--r--tests/qemu-iotests/common.filter22
-rw-r--r--tests/qemu-iotests/common.rc19
-rw-r--r--tests/qemu-iotests/group3
-rw-r--r--tests/test-coroutine.c30
55 files changed, 1103 insertions, 175 deletions
diff --git a/block-migration.c b/block-migration.c
index ba3ed36f77..3ad31a2c70 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -283,7 +283,7 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds)
nr_sectors = total_sectors - cur_sector;
}
- blk = g_malloc(sizeof(BlkMigBlock));
+ blk = g_new(BlkMigBlock, 1);
blk->buf = g_malloc(BLOCK_SIZE);
blk->bmds = bmds;
blk->sector = cur_sector;
@@ -354,7 +354,7 @@ static void init_blk_migration_it(void *opaque, BlockDriverState *bs)
return;
}
- bmds = g_malloc0(sizeof(BlkMigDevState));
+ bmds = g_new0(BlkMigDevState, 1);
bmds->bs = bs;
bmds->bulk_completed = 0;
bmds->total_sectors = sectors;
@@ -465,7 +465,7 @@ static int mig_save_device_dirty(QEMUFile *f, BlkMigDevState *bmds,
} else {
nr_sectors = BDRV_SECTORS_PER_DIRTY_CHUNK;
}
- blk = g_malloc(sizeof(BlkMigBlock));
+ blk = g_new(BlkMigBlock, 1);
blk->buf = g_malloc(BLOCK_SIZE);
blk->bmds = bmds;
blk->sector = sector;
diff --git a/block.c b/block.c
index 6fa0201074..e9380f6c58 100644
--- a/block.c
+++ b/block.c
@@ -351,7 +351,7 @@ BlockDriverState *bdrv_new(const char *device_name, Error **errp)
return NULL;
}
- bs = g_malloc0(sizeof(BlockDriverState));
+ bs = g_new0(BlockDriverState, 1);
QLIST_INIT(&bs->dirty_bitmaps);
pstrcpy(bs->device_name, sizeof(bs->device_name), device_name);
if (device_name[0] != '\0') {
@@ -964,6 +964,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
} else {
bs->filename[0] = '\0';
}
+ pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), bs->filename);
bs->drv = drv;
bs->opaque = g_malloc0(drv->instance_size);
@@ -1505,6 +1506,8 @@ int bdrv_open(BlockDriverState **pbs, const char *filename,
}
}
+ bdrv_refresh_filename(bs);
+
/* For snapshot=on, create a temporary qcow2 overlay. bs points to the
* temporary snapshot afterwards. */
if (snapshot_flags) {
@@ -1845,6 +1848,8 @@ void bdrv_close(BlockDriverState *bs)
bs->zero_beyond_eof = false;
QDECREF(bs->options);
bs->options = NULL;
+ QDECREF(bs->full_open_options);
+ bs->full_open_options = NULL;
if (bs->file != NULL) {
bdrv_unref(bs->file);
@@ -2628,7 +2633,7 @@ int bdrv_drop_intermediate(BlockDriverState *active, BlockDriverState *top,
* into our deletion queue, until we hit the 'base'
*/
while (intermediate) {
- intermediate_state = g_malloc0(sizeof(BlkIntermediateStates));
+ intermediate_state = g_new0(BlkIntermediateStates, 1);
intermediate_state->bs = intermediate;
QSIMPLEQ_INSERT_TAIL(&states_to_delete, intermediate_state, entry);
@@ -3755,7 +3760,7 @@ void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
}
if (!found) {
- formats = g_realloc(formats, (count + 1) * sizeof(char *));
+ formats = g_renew(const char *, formats, count + 1);
formats[count++] = drv->format_name;
it(opaque, drv->format_name);
}
@@ -5330,7 +5335,7 @@ BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs, int granularity,
errno = -bitmap_size;
return NULL;
}
- bitmap = g_malloc0(sizeof(BdrvDirtyBitmap));
+ bitmap = g_new0(BdrvDirtyBitmap, 1);
bitmap->bitmap = hbitmap_alloc(bitmap_size, ffs(granularity) - 1);
QLIST_INSERT_HEAD(&bs->dirty_bitmaps, bitmap, list);
return bitmap;
@@ -5356,8 +5361,8 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs)
BlockDirtyInfoList **plist = &list;
QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) {
- BlockDirtyInfo *info = g_malloc0(sizeof(BlockDirtyInfo));
- BlockDirtyInfoList *entry = g_malloc0(sizeof(BlockDirtyInfoList));
+ BlockDirtyInfo *info = g_new0(BlockDirtyInfo, 1);
+ BlockDirtyInfoList *entry = g_new0(BlockDirtyInfoList, 1);
info->count = bdrv_get_dirty_count(bs, bm);
info->granularity =
((int64_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bm->bitmap));
@@ -5451,7 +5456,7 @@ void bdrv_op_block(BlockDriverState *bs, BlockOpType op, Error *reason)
BdrvOpBlocker *blocker;
assert((int) op >= 0 && op < BLOCK_OP_TYPE_MAX);
- blocker = g_malloc0(sizeof(BdrvOpBlocker));
+ blocker = g_new0(BdrvOpBlocker, 1);
blocker->reason = reason;
QLIST_INSERT_HEAD(&bs->op_blockers[op], blocker, list);
}
@@ -5894,3 +5899,133 @@ void bdrv_flush_io_queue(BlockDriverState *bs)
bdrv_flush_io_queue(bs->file);
}
}
+
+static bool append_open_options(QDict *d, BlockDriverState *bs)
+{
+ const QDictEntry *entry;
+ bool found_any = false;
+
+ for (entry = qdict_first(bs->options); entry;
+ entry = qdict_next(bs->options, entry))
+ {
+ /* Only take options for this level and exclude all non-driver-specific
+ * options */
+ if (!strchr(qdict_entry_key(entry), '.') &&
+ strcmp(qdict_entry_key(entry), "node-name"))
+ {
+ qobject_incref(qdict_entry_value(entry));
+ qdict_put_obj(d, qdict_entry_key(entry), qdict_entry_value(entry));
+ found_any = true;
+ }
+ }
+
+ return found_any;
+}
+
+/* Updates the following BDS fields:
+ * - exact_filename: A filename which may be used for opening a block device
+ * which (mostly) equals the given BDS (even without any
+ * other options; so reading and writing must return the same
+ * results, but caching etc. may be different)
+ * - full_open_options: Options which, when given when opening a block device
+ * (without a filename), result in a BDS (mostly)
+ * equalling the given one
+ * - filename: If exact_filename is set, it is copied here. Otherwise,
+ * full_open_options is converted to a JSON object, prefixed with
+ * "json:" (for use through the JSON pseudo protocol) and put here.
+ */
+void bdrv_refresh_filename(BlockDriverState *bs)
+{
+ BlockDriver *drv = bs->drv;
+ QDict *opts;
+
+ if (!drv) {
+ return;
+ }
+
+ /* This BDS's file name will most probably depend on its file's name, so
+ * refresh that first */
+ if (bs->file) {
+ bdrv_refresh_filename(bs->file);
+ }
+
+ if (drv->bdrv_refresh_filename) {
+ /* Obsolete information is of no use here, so drop the old file name
+ * information before refreshing it */
+ bs->exact_filename[0] = '\0';
+ if (bs->full_open_options) {
+ QDECREF(bs->full_open_options);
+ bs->full_open_options = NULL;
+ }
+
+ drv->bdrv_refresh_filename(bs);
+ } else if (bs->file) {
+ /* Try to reconstruct valid information from the underlying file */
+ bool has_open_options;
+
+ bs->exact_filename[0] = '\0';
+ if (bs->full_open_options) {
+ QDECREF(bs->full_open_options);
+ bs->full_open_options = NULL;
+ }
+
+ opts = qdict_new();
+ has_open_options = append_open_options(opts, bs);
+
+ /* If no specific options have been given for this BDS, the filename of
+ * the underlying file should suffice for this one as well */
+ if (bs->file->exact_filename[0] && !has_open_options) {
+ strcpy(bs->exact_filename, bs->file->exact_filename);
+ }
+ /* Reconstructing the full options QDict is simple for most format block
+ * drivers, as long as the full options are known for the underlying
+ * file BDS. The full options QDict of that file BDS should somehow
+ * contain a representation of the filename, therefore the following
+ * suffices without querying the (exact_)filename of this BDS. */
+ if (bs->file->full_open_options) {
+ qdict_put_obj(opts, "driver",
+ QOBJECT(qstring_from_str(drv->format_name)));
+ QINCREF(bs->file->full_open_options);
+ qdict_put_obj(opts, "file", QOBJECT(bs->file->full_open_options));
+
+ bs->full_open_options = opts;
+ } else {
+ QDECREF(opts);
+ }
+ } else if (!bs->full_open_options && qdict_size(bs->options)) {
+ /* There is no underlying file BDS (at least referenced by BDS.file),
+ * so the full options QDict should be equal to the options given
+ * specifically for this block device when it was opened (plus the
+ * driver specification).
+ * Because those options don't change, there is no need to update
+ * full_open_options when it's already set. */
+
+ opts = qdict_new();
+ append_open_options(opts, bs);
+ qdict_put_obj(opts, "driver",
+ QOBJECT(qstring_from_str(drv->format_name)));
+
+ if (bs->exact_filename[0]) {
+ /* This may not work for all block protocol drivers (some may
+ * require this filename to be parsed), but we have to find some
+ * default solution here, so just include it. If some block driver
+ * does not support pure options without any filename at all or
+ * needs some special format of the options QDict, it needs to
+ * implement the driver-specific bdrv_refresh_filename() function.
+ */
+ qdict_put_obj(opts, "filename",
+ QOBJECT(qstring_from_str(bs->exact_filename)));
+ }
+
+ bs->full_open_options = opts;
+ }
+
+ if (bs->exact_filename[0]) {
+ pstrcpy(bs->filename, sizeof(bs->filename), bs->exact_filename);
+ } else if (bs->full_open_options) {
+ QString *json = qobject_to_json(QOBJECT(bs->full_open_options));
+ snprintf(bs->filename, sizeof(bs->filename), "json:%s",
+ qstring_get_str(json));
+ QDECREF(json);
+ }
+}
diff --git a/block/archipelago.c b/block/archipelago.c
index 6629d03a1d..34f72dc5a5 100644
--- a/block/archipelago.c
+++ b/block/archipelago.c
@@ -750,7 +750,7 @@ static int archipelago_submit_request(BDRVArchipelagoState *s,
char *target;
void *data = NULL;
struct xseg_request *req;
- AIORequestData *reqdata = g_malloc(sizeof(AIORequestData));
+ AIORequestData *reqdata = g_new(AIORequestData, 1);
targetlen = strlen(s->volname);
req = xseg_get_request(s->xseg, s->srcport, s->vportno, X_ALLOC);
@@ -827,7 +827,7 @@ static int archipelago_aio_segmented_rw(BDRVArchipelagoState *s,
int i, ret, segments_nr, last_segment_size;
ArchipelagoSegmentedRequest *segreq;
- segreq = g_malloc(sizeof(ArchipelagoSegmentedRequest));
+ segreq = g_new(ArchipelagoSegmentedRequest, 1);
if (op == ARCHIP_OP_FLUSH) {
segments_nr = 1;
@@ -960,7 +960,7 @@ static int64_t archipelago_volume_info(BDRVArchipelagoState *s)
int ret, targetlen;
struct xseg_request *req;
struct xseg_reply_info *xinfo;
- AIORequestData *reqdata = g_malloc(sizeof(AIORequestData));
+ AIORequestData *reqdata = g_new(AIORequestData, 1);
const char *volname = s->volname;
targetlen = strlen(volname);
diff --git a/block/blkdebug.c b/block/blkdebug.c
index 1586ed9664..69b330eced 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -26,6 +26,10 @@
#include "qemu/config-file.h"
#include "block/block_int.h"
#include "qemu/module.h"
+#include "qapi/qmp/qbool.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qint.h"
+#include "qapi/qmp/qstring.h"
typedef struct BDRVBlkdebugState {
int state;
@@ -449,6 +453,10 @@ static void error_callback_bh(void *opaque)
static void blkdebug_aio_cancel(BlockDriverAIOCB *blockacb)
{
BlkdebugAIOCB *acb = container_of(blockacb, BlkdebugAIOCB, common);
+ if (acb->bh) {
+ qemu_bh_delete(acb->bh);
+ acb->bh = NULL;
+ }
qemu_aio_release(acb);
}
@@ -706,6 +714,98 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
return bdrv_getlength(bs->file);
}
+static void blkdebug_refresh_filename(BlockDriverState *bs)
+{
+ BDRVBlkdebugState *s = bs->opaque;
+ struct BlkdebugRule *rule;
+ QDict *opts;
+ QList *inject_error_list = NULL, *set_state_list = NULL;
+ QList *suspend_list = NULL;
+ int event;
+
+ if (!bs->file->full_open_options) {
+ /* The config file cannot be recreated, so creating a plain filename
+ * is impossible */
+ return;
+ }
+
+ opts = qdict_new();
+ qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("blkdebug")));
+
+ QINCREF(bs->file->full_open_options);
+ qdict_put_obj(opts, "image", QOBJECT(bs->file->full_open_options));
+
+ for (event = 0; event < BLKDBG_EVENT_MAX; event++) {
+ QLIST_FOREACH(rule, &s->rules[event], next) {
+ if (rule->action == ACTION_INJECT_ERROR) {
+ QDict *inject_error = qdict_new();
+
+ qdict_put_obj(inject_error, "event", QOBJECT(qstring_from_str(
+ BlkdebugEvent_lookup[rule->event])));
+ qdict_put_obj(inject_error, "state",
+ QOBJECT(qint_from_int(rule->state)));
+ qdict_put_obj(inject_error, "errno", QOBJECT(qint_from_int(
+ rule->options.inject.error)));
+ qdict_put_obj(inject_error, "sector", QOBJECT(qint_from_int(
+ rule->options.inject.sector)));
+ qdict_put_obj(inject_error, "once", QOBJECT(qbool_from_int(
+ rule->options.inject.once)));
+ qdict_put_obj(inject_error, "immediately",
+ QOBJECT(qbool_from_int(
+ rule->options.inject.immediately)));
+
+ if (!inject_error_list) {
+ inject_error_list = qlist_new();
+ }
+
+ qlist_append_obj(inject_error_list, QOBJECT(inject_error));
+ } else if (rule->action == ACTION_SET_STATE) {
+ QDict *set_state = qdict_new();
+
+ qdict_put_obj(set_state, "event", QOBJECT(qstring_from_str(
+ BlkdebugEvent_lookup[rule->event])));
+ qdict_put_obj(set_state, "state",
+ QOBJECT(qint_from_int(rule->state)));
+ qdict_put_obj(set_state, "new_state", QOBJECT(qint_from_int(
+ rule->options.set_state.new_state)));
+
+ if (!set_state_list) {
+ set_state_list = qlist_new();
+ }
+
+ qlist_append_obj(set_state_list, QOBJECT(set_state));
+ } else if (rule->action == ACTION_SUSPEND) {
+ QDict *suspend = qdict_new();
+
+ qdict_put_obj(suspend, "event", QOBJECT(qstring_from_str(
+ BlkdebugEvent_lookup[rule->event])));
+ qdict_put_obj(suspend, "state",
+ QOBJECT(qint_from_int(rule->state)));
+ qdict_put_obj(suspend, "tag", QOBJECT(qstring_from_str(
+ rule->options.suspend.tag)));
+
+ if (!suspend_list) {
+ suspend_list = qlist_new();
+ }
+
+ qlist_append_obj(suspend_list, QOBJECT(suspend));
+ }
+ }
+ }
+
+ if (inject_error_list) {
+ qdict_put_obj(opts, "inject-error", QOBJECT(inject_error_list));
+ }
+ if (set_state_list) {
+ qdict_put_obj(opts, "set-state", QOBJECT(set_state_list));
+ }
+ if (suspend_list) {
+ qdict_put_obj(opts, "suspend", QOBJECT(suspend_list));
+ }
+
+ bs->full_open_options = opts;
+}
+
static BlockDriver bdrv_blkdebug = {
.format_name = "blkdebug",
.protocol_name = "blkdebug",
@@ -715,6 +815,7 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_file_open = blkdebug_open,
.bdrv_close = blkdebug_close,
.bdrv_getlength = blkdebug_getlength,
+ .bdrv_refresh_filename = blkdebug_refresh_filename,
.bdrv_aio_readv = blkdebug_aio_readv,
.bdrv_aio_writev = blkdebug_aio_writev,
diff --git a/block/blkverify.c b/block/blkverify.c
index 621b78593b..7c78ca41a5 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -10,6 +10,8 @@
#include <stdarg.h>
#include "qemu/sockets.h" /* for EINPROGRESS on Windows */
#include "block/block_int.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qstring.h"
typedef struct {
BlockDriverState *test_file;
@@ -320,6 +322,32 @@ static void blkverify_attach_aio_context(BlockDriverState *bs,
bdrv_attach_aio_context(s->test_file, new_context);
}
+static void blkverify_refresh_filename(BlockDriverState *bs)
+{
+ BDRVBlkverifyState *s = bs->opaque;
+
+ /* bs->file has already been refreshed */
+ bdrv_refresh_filename(s->test_file);
+
+ if (bs->file->full_open_options && s->test_file->full_open_options) {
+ QDict *opts = qdict_new();
+ qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("blkverify")));
+
+ QINCREF(bs->file->full_open_options);
+ qdict_put_obj(opts, "raw", QOBJECT(bs->file->full_open_options));
+ QINCREF(s->test_file->full_open_options);
+ qdict_put_obj(opts, "test", QOBJECT(s->test_file->full_open_options));
+
+ bs->full_open_options = opts;
+ }
+
+ if (bs->file->exact_filename[0] && s->test_file->exact_filename[0]) {
+ snprintf(bs->exact_filename, sizeof(bs->exact_filename),
+ "blkverify:%s:%s",
+ bs->file->exact_filename, s->test_file->exact_filename);
+ }
+}
+
static BlockDriver bdrv_blkverify = {
.format_name = "blkverify",
.protocol_name = "blkverify",
@@ -329,6 +357,7 @@ static BlockDriver bdrv_blkverify = {
.bdrv_file_open = blkverify_open,
.bdrv_close = blkverify_close,
.bdrv_getlength = blkverify_getlength,
+ .bdrv_refresh_filename = blkverify_refresh_filename,
.bdrv_aio_readv = blkverify_aio_readv,
.bdrv_aio_writev = blkverify_aio_writev,
diff --git a/block/bochs.c b/block/bochs.c
index 6674b27438..199ac2b9af 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -131,7 +131,7 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
return -EFBIG;
}
- s->catalog_bitmap = g_try_malloc(s->catalog_size * 4);
+ s->catalog_bitmap = g_try_new(uint32_t, s->catalog_size);
if (s->catalog_size && s->catalog_bitmap == NULL) {
error_setg(errp, "Could not allocate memory for catalog");
return -ENOMEM;
diff --git a/block/gluster.c b/block/gluster.c
index 9274dead7d..1912cf9d07 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -291,7 +291,7 @@ static int qemu_gluster_open(BlockDriverState *bs, QDict *options,
BDRVGlusterState *s = bs->opaque;
int open_flags = 0;
int ret = 0;
- GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
+ GlusterConf *gconf = g_new0(GlusterConf, 1);
QemuOpts *opts;
Error *local_err = NULL;
const char *filename;
@@ -351,12 +351,12 @@ static int qemu_gluster_reopen_prepare(BDRVReopenState *state,
assert(state != NULL);
assert(state->bs != NULL);
- state->opaque = g_malloc0(sizeof(BDRVGlusterReopenState));
+ state->opaque = g_new0(BDRVGlusterReopenState, 1);
reop_s = state->opaque;
qemu_gluster_parse_flags(state->flags, &open_flags);
- gconf = g_malloc0(sizeof(GlusterConf));
+ gconf = g_new0(GlusterConf, 1);
reop_s->glfs = qemu_gluster_init(gconf, state->bs->filename, errp);
if (reop_s->glfs == NULL) {
@@ -486,7 +486,7 @@ static int qemu_gluster_create(const char *filename,
int prealloc = 0;
int64_t total_size = 0;
char *tmp = NULL;
- GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
+ GlusterConf *gconf = g_new0(GlusterConf, 1);
glfs = qemu_gluster_init(gconf, filename, errp);
if (!glfs) {
diff --git a/block/iscsi.c b/block/iscsi.c
index 2c9cfc18eb..3e19202488 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1512,7 +1512,8 @@ static int iscsi_truncate(BlockDriverState *bs, int64_t offset)
if (iscsilun->allocationmap != NULL) {
g_free(iscsilun->allocationmap);
iscsilun->allocationmap =
- bitmap_new(DIV_ROUND_UP(bs->total_sectors,
+ bitmap_new(DIV_ROUND_UP(sector_lun2qemu(iscsilun->num_blocks,
+ iscsilun),
iscsilun->cluster_sectors));
}
@@ -1532,7 +1533,7 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp)
/* Read out options */
total_size =
qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / BDRV_SECTOR_SIZE;
- bs->opaque = g_malloc0(sizeof(struct IscsiLun));
+ bs->opaque = g_new0(struct IscsiLun, 1);
iscsilun = bs->opaque;
bs_options = qdict_new();
diff --git a/block/nbd.c b/block/nbd.c
index 4eda0958d7..89775e1e2b 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -31,8 +31,10 @@
#include "block/block_int.h"
#include "qemu/module.h"
#include "qemu/sockets.h"
+#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/qint.h"
+#include "qapi/qmp/qstring.h"
#include <sys/types.h>
#include <unistd.h>
@@ -338,6 +340,37 @@ static void nbd_attach_aio_context(BlockDriverState *bs,
nbd_client_session_attach_aio_context(&s->client, new_context);
}
+static void nbd_refresh_filename(BlockDriverState *bs)
+{
+ BDRVNBDState *s = bs->opaque;
+ QDict *opts = qdict_new();
+ const char *path = qemu_opt_get(s->socket_opts, "path");
+ const char *host = qemu_opt_get(s->socket_opts, "host");
+ const char *port = qemu_opt_get(s->socket_opts, "port");
+ const char *export = qemu_opt_get(s->socket_opts, "export");
+
+ qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd")));
+
+ if (path) {
+ snprintf(bs->exact_filename, sizeof(bs->exact_filename),
+ "nbd+unix:%s", path);
+ qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path)));
+ } else if (export) {
+ snprintf(bs->exact_filename, sizeof(bs->exact_filename),
+ "nbd:%s:%s/%s", host, port, export);
+ qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
+ qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
+ qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export)));
+ } else {
+ snprintf(bs->exact_filename, sizeof(bs->exact_filename),
+ "nbd:%s:%s", host, port);
+ qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
+ qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
+ }
+
+ bs->full_open_options = opts;
+}
+
static BlockDriver bdrv_nbd = {
.format_name = "nbd",
.protocol_name = "nbd",
@@ -352,6 +385,7 @@ static BlockDriver bdrv_nbd = {
.bdrv_getlength = nbd_getlength,
.bdrv_detach_aio_context = nbd_detach_aio_context,
.bdrv_attach_aio_context = nbd_attach_aio_context,
+ .bdrv_refresh_filename = nbd_refresh_filename,
};
static BlockDriver bdrv_nbd_tcp = {
@@ -368,6 +402,7 @@ static BlockDriver bdrv_nbd_tcp = {
.bdrv_getlength = nbd_getlength,
.bdrv_detach_aio_context = nbd_detach_aio_context,
.bdrv_attach_aio_context = nbd_attach_aio_context,
+ .bdrv_refresh_filename = nbd_refresh_filename,
};
static BlockDriver bdrv_nbd_unix = {
@@ -384,6 +419,7 @@ static BlockDriver bdrv_nbd_unix = {
.bdrv_getlength = nbd_getlength,
.bdrv_detach_aio_context = nbd_detach_aio_context,
.bdrv_attach_aio_context = nbd_attach_aio_context,
+ .bdrv_refresh_filename = nbd_refresh_filename,
};
static void bdrv_nbd_init(void)
diff --git a/block/nfs.c b/block/nfs.c
index fe46c33709..93d87f3256 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -409,7 +409,7 @@ static int nfs_file_create(const char *url, QemuOpts *opts, Error **errp)
{
int ret = 0;
int64_t total_size = 0;
- NFSClient *client = g_malloc0(sizeof(NFSClient));
+ NFSClient *client = g_new0(NFSClient, 1);
client->aio_context = qemu_get_aio_context();
diff --git a/block/parallels.c b/block/parallels.c
index 1774ab8e8e..2a814f3db4 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -121,7 +121,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
ret = -EFBIG;
goto fail;
}
- s->catalog_bitmap = g_try_malloc(s->catalog_size * 4);
+ s->catalog_bitmap = g_try_new(uint32_t, s->catalog_size);
if (s->catalog_size && s->catalog_bitmap == NULL) {
ret = -ENOMEM;
goto fail;
diff --git a/block/qcow.c b/block/qcow.c
index 67332f03c1..67c237fe7d 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -182,7 +182,7 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
}
s->l1_table_offset = header.l1_table_offset;
- s->l1_table = g_try_malloc(s->l1_size * sizeof(uint64_t));
+ s->l1_table = g_try_new(uint64_t, s->l1_size);
if (s->l1_table == NULL) {
error_setg(errp, "Could not allocate memory for L1 table");
ret = -ENOMEM;
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 5353b44828..904f6b1f44 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -48,9 +48,12 @@ Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables)
Qcow2Cache *c;
int i;
- c = g_malloc0(sizeof(*c));
+ c = g_new0(Qcow2Cache, 1);
c->size = num_tables;
- c->entries = g_malloc0(sizeof(*c->entries) * num_tables);
+ c->entries = g_try_new0(Qcow2CachedTable, num_tables);
+ if (!c->entries) {
+ goto fail;
+ }
for (i = 0; i < c->size; i++) {
c->entries[i].table = qemu_try_blockalign(bs->file, s->cluster_size);
@@ -62,8 +65,10 @@ Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables)
return c;
fail:
- for (i = 0; i < c->size; i++) {
- qemu_vfree(c->entries[i].table);
+ if (c->entries) {
+ for (i = 0; i < c->size; i++) {
+ qemu_vfree(c->entries[i].table);
+ }
}
g_free(c->entries);
g_free(c);
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 5b36018b3e..735f687b06 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -711,7 +711,7 @@ int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
trace_qcow2_cluster_link_l2(qemu_coroutine_self(), m->nb_clusters);
assert(m->nb_clusters > 0);
- old_cluster = g_try_malloc(m->nb_clusters * sizeof(uint64_t));
+ old_cluster = g_try_new(uint64_t, m->nb_clusters);
if (old_cluster == NULL) {
ret = -ENOMEM;
goto err;
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 3b7747048e..43665b86e7 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -350,7 +350,7 @@ static int alloc_refcount_block(BlockDriverState *bs,
uint64_t meta_offset = (blocks_used * refcount_block_clusters) *
s->cluster_size;
uint64_t table_offset = meta_offset + blocks_clusters * s->cluster_size;
- uint64_t *new_table = g_try_malloc0(table_size * sizeof(uint64_t));
+ uint64_t *new_table = g_try_new0(uint64_t, table_size);
uint16_t *new_blocks = g_try_malloc0(blocks_clusters * s->cluster_size);
assert(table_size > 0 && blocks_clusters > 0);
@@ -1524,7 +1524,7 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
return -EFBIG;
}
- refcount_table = g_try_malloc0(nb_clusters * sizeof(uint16_t));
+ refcount_table = g_try_new0(uint16_t, nb_clusters);
if (nb_clusters && refcount_table == NULL) {
res->check_errors++;
return -ENOMEM;
@@ -1605,8 +1605,8 @@ int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
/* increase refcount_table size if necessary */
int old_nb_clusters = nb_clusters;
nb_clusters = (new_offset >> s->cluster_bits) + 1;
- refcount_table = g_realloc(refcount_table,
- nb_clusters * sizeof(uint16_t));
+ refcount_table = g_renew(uint16_t, refcount_table,
+ nb_clusters);
memset(&refcount_table[old_nb_clusters], 0, (nb_clusters
- old_nb_clusters) * sizeof(uint16_t));
}
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index f67b47282f..f52d7fdd22 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -58,7 +58,7 @@ int qcow2_read_snapshots(BlockDriverState *bs)
}
offset = s->snapshots_offset;
- s->snapshots = g_malloc0(s->nb_snapshots * sizeof(QCowSnapshot));
+ s->snapshots = g_new0(QCowSnapshot, s->nb_snapshots);
for(i = 0; i < s->nb_snapshots; i++) {
/* Read statically sized part of the snapshot header */
@@ -381,7 +381,7 @@ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
sn->l1_table_offset = l1_table_offset;
sn->l1_size = s->l1_size;
- l1_table = g_try_malloc(s->l1_size * sizeof(uint64_t));
+ l1_table = g_try_new(uint64_t, s->l1_size);
if (s->l1_size && l1_table == NULL) {
ret = -ENOMEM;
goto fail;
@@ -417,7 +417,7 @@ int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
}
/* Append the new snapshot to the snapshot list */
- new_snapshot_list = g_malloc((s->nb_snapshots + 1) * sizeof(QCowSnapshot));
+ new_snapshot_list = g_new(QCowSnapshot, s->nb_snapshots + 1);
if (s->snapshots) {
memcpy(new_snapshot_list, s->snapshots,
s->nb_snapshots * sizeof(QCowSnapshot));
@@ -661,7 +661,7 @@ int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
return s->nb_snapshots;
}
- sn_tab = g_malloc0(s->nb_snapshots * sizeof(QEMUSnapshotInfo));
+ sn_tab = g_new0(QEMUSnapshotInfo, s->nb_snapshots);
for(i = 0; i < s->nb_snapshots; i++) {
sn_info = sn_tab + i;
sn = s->snapshots + i;
diff --git a/block/qcow2.c b/block/qcow2.c
index 435e0e11d0..f9e045ff2b 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -442,6 +442,22 @@ static QemuOptsList qcow2_runtime_opts = {
.type = QEMU_OPT_BOOL,
.help = "Check for unintended writes into an inactive L2 table",
},
+ {
+ .name = QCOW2_OPT_CACHE_SIZE,
+ .type = QEMU_OPT_SIZE,
+ .help = "Maximum combined metadata (L2 tables and refcount blocks) "
+ "cache size",
+ },
+ {
+ .name = QCOW2_OPT_L2_CACHE_SIZE,
+ .type = QEMU_OPT_SIZE,
+ .help = "Maximum L2 table cache size",
+ },
+ {
+ .name = QCOW2_OPT_REFCOUNT_CACHE_SIZE,
+ .type = QEMU_OPT_SIZE,
+ .help = "Maximum refcount block cache size",
+ },
{ /* end of list */ }
},
};
@@ -457,6 +473,61 @@ static const char *overlap_bool_option_names[QCOW2_OL_MAX_BITNR] = {
[QCOW2_OL_INACTIVE_L2_BITNR] = QCOW2_OPT_OVERLAP_INACTIVE_L2,
};
+static void read_cache_sizes(QemuOpts *opts, uint64_t *l2_cache_size,
+ uint64_t *refcount_cache_size, Error **errp)
+{
+ uint64_t combined_cache_size;
+ bool l2_cache_size_set, refcount_cache_size_set, combined_cache_size_set;
+
+ combined_cache_size_set = qemu_opt_get(opts, QCOW2_OPT_CACHE_SIZE);
+ l2_cache_size_set = qemu_opt_get(opts, QCOW2_OPT_L2_CACHE_SIZE);
+ refcount_cache_size_set = qemu_opt_get(opts, QCOW2_OPT_REFCOUNT_CACHE_SIZE);
+
+ combined_cache_size = qemu_opt_get_size(opts, QCOW2_OPT_CACHE_SIZE, 0);
+ *l2_cache_size = qemu_opt_get_size(opts, QCOW2_OPT_L2_CACHE_SIZE, 0);
+ *refcount_cache_size = qemu_opt_get_size(opts,
+ QCOW2_OPT_REFCOUNT_CACHE_SIZE, 0);
+
+ if (combined_cache_size_set) {
+ if (l2_cache_size_set && refcount_cache_size_set) {
+ error_setg(errp, QCOW2_OPT_CACHE_SIZE ", " QCOW2_OPT_L2_CACHE_SIZE
+ " and " QCOW2_OPT_REFCOUNT_CACHE_SIZE " may not be set "
+ "the same time");
+ return;
+ } else if (*l2_cache_size > combined_cache_size) {
+ error_setg(errp, QCOW2_OPT_L2_CACHE_SIZE " may not exceed "
+ QCOW2_OPT_CACHE_SIZE);
+ return;
+ } else if (*refcount_cache_size > combined_cache_size) {
+ error_setg(errp, QCOW2_OPT_REFCOUNT_CACHE_SIZE " may not exceed "
+ QCOW2_OPT_CACHE_SIZE);
+ return;
+ }
+
+ if (l2_cache_size_set) {
+ *refcount_cache_size = combined_cache_size - *l2_cache_size;
+ } else if (refcount_cache_size_set) {
+ *l2_cache_size = combined_cache_size - *refcount_cache_size;
+ } else {
+ *refcount_cache_size = combined_cache_size
+ / (DEFAULT_L2_REFCOUNT_SIZE_RATIO + 1);
+ *l2_cache_size = combined_cache_size - *refcount_cache_size;
+ }
+ } else {
+ if (!l2_cache_size_set && !refcount_cache_size_set) {
+ *l2_cache_size = DEFAULT_L2_CACHE_BYTE_SIZE;
+ *refcount_cache_size = *l2_cache_size
+ / DEFAULT_L2_REFCOUNT_SIZE_RATIO;
+ } else if (!l2_cache_size_set) {
+ *l2_cache_size = *refcount_cache_size
+ * DEFAULT_L2_REFCOUNT_SIZE_RATIO;
+ } else if (!refcount_cache_size_set) {
+ *refcount_cache_size = *l2_cache_size
+ / DEFAULT_L2_REFCOUNT_SIZE_RATIO;
+ }
+ }
+}
+
static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
@@ -470,6 +541,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
uint64_t l1_vm_state_index;
const char *opt_overlap_check;
int overlap_check_template = 0;
+ uint64_t l2_cache_size, refcount_cache_size;
ret = bdrv_pread(bs->file, 0, &header, sizeof(header));
if (ret < 0) {
@@ -706,9 +778,45 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
}
}
+ /* get L2 table/refcount block cache size from command line options */
+ opts = qemu_opts_create(&qcow2_runtime_opts, NULL, 0, &error_abort);
+ qemu_opts_absorb_qdict(opts, options, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ read_cache_sizes(opts, &l2_cache_size, &refcount_cache_size, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ l2_cache_size /= s->cluster_size;
+ if (l2_cache_size < MIN_L2_CACHE_SIZE) {
+ l2_cache_size = MIN_L2_CACHE_SIZE;
+ }
+ if (l2_cache_size > INT_MAX) {
+ error_setg(errp, "L2 cache size too big");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ refcount_cache_size /= s->cluster_size;
+ if (refcount_cache_size < MIN_REFCOUNT_CACHE_SIZE) {
+ refcount_cache_size = MIN_REFCOUNT_CACHE_SIZE;
+ }
+ if (refcount_cache_size > INT_MAX) {
+ error_setg(errp, "Refcount cache size too big");
+ ret = -EINVAL;
+ goto fail;
+ }
+
/* alloc L2 table/refcount block cache */
- s->l2_table_cache = qcow2_cache_create(bs, L2_CACHE_SIZE);
- s->refcount_block_cache = qcow2_cache_create(bs, REFCOUNT_CACHE_SIZE);
+ s->l2_table_cache = qcow2_cache_create(bs, l2_cache_size);
+ s->refcount_block_cache = qcow2_cache_create(bs, refcount_cache_size);
if (s->l2_table_cache == NULL || s->refcount_block_cache == NULL) {
error_setg(errp, "Could not allocate metadata caches");
ret = -ENOMEM;
@@ -798,14 +906,6 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Enable lazy_refcounts according to image and command line options */
- opts = qemu_opts_create(&qcow2_runtime_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, options, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- ret = -EINVAL;
- goto fail;
- }
-
s->use_lazy_refcounts = qemu_opt_get_bool(opts, QCOW2_OPT_LAZY_REFCOUNTS,
(s->compatible_features & QCOW2_COMPAT_LAZY_REFCOUNTS));
diff --git a/block/qcow2.h b/block/qcow2.h
index b49424b85e..6aeb7ea90f 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -64,10 +64,16 @@
#define MIN_CLUSTER_BITS 9
#define MAX_CLUSTER_BITS 21
-#define L2_CACHE_SIZE 16
+#define MIN_L2_CACHE_SIZE 1 /* cluster */
/* Must be at least 4 to cover all cases of refcount table growth */
-#define REFCOUNT_CACHE_SIZE 4
+#define MIN_REFCOUNT_CACHE_SIZE 4 /* clusters */
+
+#define DEFAULT_L2_CACHE_BYTE_SIZE 1048576 /* bytes */
+
+/* The refblock cache needs only a fourth of the L2 cache size to cover as many
+ * clusters */
+#define DEFAULT_L2_REFCOUNT_SIZE_RATIO 4
#define DEFAULT_CLUSTER_SIZE 65536
@@ -85,6 +91,9 @@
#define QCOW2_OPT_OVERLAP_SNAPSHOT_TABLE "overlap-check.snapshot-table"
#define QCOW2_OPT_OVERLAP_INACTIVE_L1 "overlap-check.inactive-l1"
#define QCOW2_OPT_OVERLAP_INACTIVE_L2 "overlap-check.inactive-l2"
+#define QCOW2_OPT_CACHE_SIZE "cache-size"
+#define QCOW2_OPT_L2_CACHE_SIZE "l2-cache-size"
+#define QCOW2_OPT_REFCOUNT_CACHE_SIZE "refcount-cache-size"
typedef struct QCowHeader {
uint32_t magic;
diff --git a/block/qed-check.c b/block/qed-check.c
index 40a882cc93..36ecd290d6 100644
--- a/block/qed-check.c
+++ b/block/qed-check.c
@@ -227,8 +227,7 @@ int qed_check(BDRVQEDState *s, BdrvCheckResult *result, bool fix)
};
int ret;
- check.used_clusters = g_try_malloc0(((check.nclusters + 31) / 32) *
- sizeof(check.used_clusters[0]));
+ check.used_clusters = g_try_new0(uint32_t, (check.nclusters + 31) / 32);
if (check.nclusters && check.used_clusters == NULL) {
return -ENOMEM;
}
diff --git a/block/quorum.c b/block/quorum.c
index d5ee9c0059..0de07bb036 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -16,7 +16,12 @@
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
#include "block/block_int.h"
+#include "qapi/qmp/qbool.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qint.h"
#include "qapi/qmp/qjson.h"
+#include "qapi/qmp/qlist.h"
+#include "qapi/qmp/qstring.h"
#include "qapi-event.h"
#define HASH_LENGTH 32
@@ -945,6 +950,39 @@ static void quorum_attach_aio_context(BlockDriverState *bs,
}
}
+static void quorum_refresh_filename(BlockDriverState *bs)
+{
+ BDRVQuorumState *s = bs->opaque;
+ QDict *opts;
+ QList *children;
+ int i;
+
+ for (i = 0; i < s->num_children; i++) {
+ bdrv_refresh_filename(s->bs[i]);
+ if (!s->bs[i]->full_open_options) {
+ return;
+ }
+ }
+
+ children = qlist_new();
+ for (i = 0; i < s->num_children; i++) {
+ QINCREF(s->bs[i]->full_open_options);
+ qlist_append_obj(children, QOBJECT(s->bs[i]->full_open_options));
+ }
+
+ opts = qdict_new();
+ qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("quorum")));
+ qdict_put_obj(opts, QUORUM_OPT_VOTE_THRESHOLD,
+ QOBJECT(qint_from_int(s->threshold)));
+ qdict_put_obj(opts, QUORUM_OPT_BLKVERIFY,
+ QOBJECT(qbool_from_int(s->is_blkverify)));
+ qdict_put_obj(opts, QUORUM_OPT_REWRITE,
+ QOBJECT(qbool_from_int(s->rewrite_corrupted)));
+ qdict_put_obj(opts, "children", QOBJECT(children));
+
+ bs->full_open_options = opts;
+}
+
static BlockDriver bdrv_quorum = {
.format_name = "quorum",
.protocol_name = "quorum",
@@ -953,6 +991,7 @@ static BlockDriver bdrv_quorum = {
.bdrv_file_open = quorum_open,
.bdrv_close = quorum_close,
+ .bdrv_refresh_filename = quorum_refresh_filename,
.bdrv_co_flush_to_disk = quorum_co_flush,
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 1194eb00ad..d737f3a0c5 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -517,7 +517,7 @@ static int raw_reopen_prepare(BDRVReopenState *state,
s = state->bs->opaque;
- state->opaque = g_malloc0(sizeof(BDRVRawReopenState));
+ state->opaque = g_new0(BDRVRawReopenState, 1);
raw_s = state->opaque;
#ifdef CONFIG_LINUX_AIO
@@ -747,6 +747,15 @@ static ssize_t handle_aiocb_rw_linear(RawPosixAIOData *aiocb, char *buf)
}
if (len == -1 && errno == EINTR) {
continue;
+ } else if (len == -1 && errno == EINVAL &&
+ (aiocb->bs->open_flags & BDRV_O_NOCACHE) &&
+ !(aiocb->aio_type & QEMU_AIO_WRITE) &&
+ offset > 0) {
+ /* O_DIRECT pread() may fail with EINVAL when offset is unaligned
+ * after a short read. Assume that O_DIRECT short reads only occur
+ * at EOF. Therefore this is a short read, not an I/O error.
+ */
+ break;
} else if (len == -1) {
offset = -errno;
break;
diff --git a/block/rbd.c b/block/rbd.c
index 4459102adf..ea969e7beb 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -652,7 +652,7 @@ static BlockDriverAIOCB *rbd_start_aio(BlockDriverState *bs,
off = sector_num * BDRV_SECTOR_SIZE;
size = nb_sectors * BDRV_SECTOR_SIZE;
- rcb = g_malloc(sizeof(RADOSCB));
+ rcb = g_new(RADOSCB, 1);
rcb->done = 0;
rcb->acb = acb;
rcb->buf = buf;
@@ -862,7 +862,7 @@ static int qemu_rbd_snap_list(BlockDriverState *bs,
int max_snaps = RBD_MAX_SNAPS;
do {
- snaps = g_malloc(sizeof(*snaps) * max_snaps);
+ snaps = g_new(rbd_snap_info_t, max_snaps);
snap_count = rbd_snap_list(s->image, snaps, &max_snaps);
if (snap_count <= 0) {
g_free(snaps);
@@ -873,7 +873,7 @@ static int qemu_rbd_snap_list(BlockDriverState *bs,
goto done;
}
- sn_tab = g_malloc0(snap_count * sizeof(QEMUSnapshotInfo));
+ sn_tab = g_new0(QEMUSnapshotInfo, snap_count);
for (i = 0; i < snap_count; i++) {
const char *snap_name = snaps[i].name;
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 8d9350c26d..12cbd9dcb4 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -1682,7 +1682,7 @@ static int sd_create(const char *filename, QemuOpts *opts,
uint32_t snapid;
bool prealloc = false;
- s = g_malloc0(sizeof(BDRVSheepdogState));
+ s = g_new0(BDRVSheepdogState, 1);
memset(tag, 0, sizeof(tag));
if (strstr(filename, "://")) {
@@ -2273,7 +2273,7 @@ static int sd_snapshot_goto(BlockDriverState *bs, const char *snapshot_id)
uint32_t snapid = 0;
int ret = 0;
- old_s = g_malloc(sizeof(BDRVSheepdogState));
+ old_s = g_new(BDRVSheepdogState, 1);
memcpy(old_s, s, sizeof(BDRVSheepdogState));
@@ -2357,7 +2357,7 @@ static int sd_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
goto out;
}
- sn_tab = g_malloc0(nr * sizeof(*sn_tab));
+ sn_tab = g_new0(QEMUSnapshotInfo, nr);
/* calculate a vdi id with hash function */
hval = fnv_64a_buf(s->name, strlen(s->name), FNV1A_64_INIT);
diff --git a/block/vdi.c b/block/vdi.c
index adc6aa9a5f..4b10aacc3b 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -292,7 +292,7 @@ static int vdi_check(BlockDriverState *bs, BdrvCheckResult *res,
return -ENOTSUP;
}
- bmap = g_try_malloc(s->header.blocks_in_image * sizeof(uint32_t));
+ bmap = g_try_new(uint32_t, s->header.blocks_in_image);
if (s->header.blocks_in_image && bmap == NULL) {
res->check_errors++;
return -ENOMEM;
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index eb5c7a097b..6547bec404 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -923,7 +923,7 @@ static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
buffer = qemu_blockalign(bs, total_length);
memcpy(buffer, &new_hdr, sizeof(new_hdr));
- new_desc = (VHDXLogDescriptor *) (buffer + sizeof(new_hdr));
+ new_desc = buffer + sizeof(new_hdr);
data_sector = buffer + (desc_sectors * VHDX_LOG_SECTOR_SIZE);
data_tmp = data;
diff --git a/block/vhdx.c b/block/vhdx.c
index f666940db7..87c99fc260 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -1381,7 +1381,7 @@ static int vhdx_create_new_headers(BlockDriverState *bs, uint64_t image_size,
int ret = 0;
VHDXHeader *hdr = NULL;
- hdr = g_malloc0(sizeof(VHDXHeader));
+ hdr = g_new0(VHDXHeader, 1);
hdr->signature = VHDX_HEADER_SIGNATURE;
hdr->sequence_number = g_random_int();
@@ -1654,7 +1654,7 @@ static int vhdx_create_new_region_table(BlockDriverState *bs,
/* Populate enough of the BDRVVHDXState to be able to use the
* pre-existing BAT calculation, translation, and update functions */
- s = g_malloc0(sizeof(BDRVVHDXState));
+ s = g_new0(BDRVVHDXState, 1);
s->chunk_ratio = (VHDX_MAX_SECTORS_PER_BLOCK) *
(uint64_t) sector_size / (uint64_t) block_size;
diff --git a/block/vmdk.c b/block/vmdk.c
index 01412a8939..07cb62ceb7 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -233,7 +233,7 @@ static void vmdk_free_last_extent(BlockDriverState *bs)
return;
}
s->num_extents--;
- s->extents = g_realloc(s->extents, s->num_extents * sizeof(VmdkExtent));
+ s->extents = g_renew(VmdkExtent, s->extents, s->num_extents);
}
static uint32_t vmdk_read_cid(BlockDriverState *bs, int parent)
@@ -397,7 +397,7 @@ static int vmdk_add_extent(BlockDriverState *bs,
{
VmdkExtent *extent;
BDRVVmdkState *s = bs->opaque;
- int64_t length;
+ int64_t nb_sectors;
if (cluster_sectors > 0x200000) {
/* 0x200000 * 512Bytes = 1GB for one cluster is unrealistic */
@@ -413,13 +413,12 @@ static int vmdk_add_extent(BlockDriverState *bs,
return -EFBIG;
}
- length = bdrv_getlength(file);
- if (length < 0) {
- return length;
+ nb_sectors = bdrv_nb_sectors(file);
+ if (nb_sectors < 0) {
+ return nb_sectors;
}
- s->extents = g_realloc(s->extents,
- (s->num_extents + 1) * sizeof(VmdkExtent));
+ s->extents = g_renew(VmdkExtent, s->extents, s->num_extents + 1);
extent = &s->extents[s->num_extents];
s->num_extents++;
@@ -433,8 +432,7 @@ static int vmdk_add_extent(BlockDriverState *bs,
extent->l1_entry_sectors = l2_size * cluster_sectors;
extent->l2_size = l2_size;
extent->cluster_sectors = flat ? sectors : cluster_sectors;
- extent->next_cluster_sector =
- ROUND_UP(DIV_ROUND_UP(length, BDRV_SECTOR_SIZE), cluster_sectors);
+ extent->next_cluster_sector = ROUND_UP(nb_sectors, cluster_sectors);
if (s->num_extents > 1) {
extent->end_sector = (*(extent - 1)).end_sector + extent->sectors;
@@ -497,7 +495,7 @@ static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent,
}
extent->l2_cache =
- g_malloc(extent->l2_size * L2_CACHE_SIZE * sizeof(uint32_t));
+ g_new(uint32_t, extent->l2_size * L2_CACHE_SIZE);
return 0;
fail_l1b:
g_free(extent->l1_backup_table);
diff --git a/block/vvfat.c b/block/vvfat.c
index 70176b1619..731e591ec1 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -52,10 +52,6 @@
#define DLOG(a) a
-#undef stderr
-#define stderr STDERR
-FILE* stderr = NULL;
-
static void checkpoint(void);
#ifdef __MINGW32__
@@ -732,7 +728,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
if(first_cluster == 0 && (is_dotdot || is_dot))
continue;
- buffer=(char*)g_malloc(length);
+ buffer = g_malloc(length);
snprintf(buffer,length,"%s/%s",dirname,entry->d_name);
if(stat(buffer,&st)<0) {
@@ -767,7 +763,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
/* create mapping for this file */
if(!is_dot && !is_dotdot && (S_ISDIR(st.st_mode) || st.st_size)) {
- s->current_mapping=(mapping_t*)array_get_next(&(s->mapping));
+ s->current_mapping = array_get_next(&(s->mapping));
s->current_mapping->begin=0;
s->current_mapping->end=st.st_size;
/*
@@ -811,12 +807,12 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
}
/* reget the mapping, since s->mapping was possibly realloc()ed */
- mapping = (mapping_t*)array_get(&(s->mapping), mapping_index);
+ mapping = array_get(&(s->mapping), mapping_index);
first_cluster += (s->directory.next - mapping->info.dir.first_dir_index)
* 0x20 / s->cluster_size;
mapping->end = first_cluster;
- direntry = (direntry_t*)array_get(&(s->directory), mapping->dir_index);
+ direntry = array_get(&(s->directory), mapping->dir_index);
set_begin_of_direntry(direntry, mapping->begin);
return 0;
@@ -1082,11 +1078,6 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,
vvv = s;
#endif
-DLOG(if (stderr == NULL) {
- stderr = fopen("vvfat.log", "a");
- setbuf(stderr, NULL);
-})
-
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
@@ -2950,7 +2941,7 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
bdrv_set_backing_hd(s->bs, bdrv_new("", &error_abort));
s->bs->backing_hd->drv = &vvfat_write_target;
- s->bs->backing_hd->opaque = g_malloc(sizeof(void*));
+ s->bs->backing_hd->opaque = g_new(void *, 1);
*(void**)s->bs->backing_hd->opaque = s;
return 0;
diff --git a/blockdev-nbd.c b/blockdev-nbd.c
index b3a24740b2..06f901ef6f 100644
--- a/blockdev-nbd.c
+++ b/blockdev-nbd.c
@@ -108,7 +108,7 @@ void qmp_nbd_server_add(const char *device, bool has_writable, bool writable,
nbd_export_set_name(exp, device);
- n = g_malloc0(sizeof(NBDCloseNotifier));
+ n = g_new0(NBDCloseNotifier, 1);
n->n.notify = nbd_close_notifier;
n->exp = exp;
bdrv_add_close_notifier(bs, &n->n);
diff --git a/blockdev.c b/blockdev.c
index 48bd9a37bc..6a204c662d 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1094,7 +1094,7 @@ SnapshotInfo *qmp_blockdev_snapshot_delete_internal_sync(const char *device,
return NULL;
}
- info = g_malloc0(sizeof(SnapshotInfo));
+ info = g_new0(SnapshotInfo, 1);
info->id = g_strdup(sn.id_str);
info->name = g_strdup(sn.name);
info->date_nsec = sn.date_nsec;
@@ -1799,6 +1799,7 @@ void qmp_block_resize(bool has_device, const char *device,
{
Error *local_err = NULL;
BlockDriverState *bs;
+ AioContext *aio_context;
int ret;
bs = bdrv_lookup_bs(has_device ? device : NULL,
@@ -1809,19 +1810,22 @@ void qmp_block_resize(bool has_device, const char *device,
return;
}
+ aio_context = bdrv_get_aio_context(bs);
+ aio_context_acquire(aio_context);
+
if (!bdrv_is_first_non_filter(bs)) {
error_set(errp, QERR_FEATURE_DISABLED, "resize");
- return;
+ goto out;
}
if (size < 0) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "size", "a >0 size");
- return;
+ goto out;
}
if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) {
error_set(errp, QERR_DEVICE_IN_USE, device);
- return;
+ goto out;
}
/* complete all in-flight operations before resizing the device */
@@ -1847,6 +1851,9 @@ void qmp_block_resize(bool has_device, const char *device,
error_setg_errno(errp, -ret, "Could not resize");
break;
}
+
+out:
+ aio_context_release(aio_context);
}
static void block_job_cb(void *opaque, int ret)
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 24a6b71395..c07adc6e4f 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -193,6 +193,7 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk,
error_setg(&s->blocker, "block device is in use by data plane");
bdrv_op_block_all(blk->conf.bs, s->blocker);
+ bdrv_op_unblock(blk->conf.bs, BLOCK_OP_TYPE_RESIZE, s->blocker);
*dataplane = s;
}
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 6d9a0651d8..04459e583c 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -319,7 +319,7 @@ static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr,
sq->size = size;
sq->cqid = cqid;
sq->head = sq->tail = 0;
- sq->io_req = g_malloc(sq->size * sizeof(*sq->io_req));
+ sq->io_req = g_new(NvmeRequest, sq->size);
QTAILQ_INIT(&sq->req_list);
QTAILQ_INIT(&sq->out_req_list);
@@ -773,9 +773,9 @@ static int nvme_init(PCIDevice *pci_dev)
n->reg_size = 1 << qemu_fls(0x1004 + 2 * (n->num_queues + 1) * 4);
n->ns_size = bs_size / (uint64_t)n->num_namespaces;
- n->namespaces = g_malloc0(sizeof(*n->namespaces)*n->num_namespaces);
- n->sq = g_malloc0(sizeof(*n->sq)*n->num_queues);
- n->cq = g_malloc0(sizeof(*n->cq)*n->num_queues);
+ n->namespaces = g_new0(NvmeNamespace, n->num_namespaces);
+ n->sq = g_new0(NvmeSQueue *, n->num_queues);
+ n->cq = g_new0(NvmeCQueue *, n->num_queues);
memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n,
"nvme", n->reg_size);
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 302c39e2be..d9167ce9a3 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -469,8 +469,9 @@ static void virtio_blk_dma_restart_bh(void *opaque)
s->rq = NULL;
while (req) {
+ VirtIOBlockReq *next = req->next;
virtio_blk_handle_request(req, &mrb);
- req = req->next;
+ req = next;
}
virtio_submit_multiwrite(s->bs, &mrb);
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 932b0d508c..0ee713b0ff 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1203,7 +1203,7 @@ void ahci_init(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports)
s->as = as;
s->ports = ports;
- s->dev = g_malloc0(sizeof(AHCIDevice) * ports);
+ s->dev = g_new0(AHCIDevice, ports);
ahci_reg_init(s);
/* XXX BAR size should be 1k, but that breaks, so bump it to 4k for now */
memory_region_init_io(&s->mem, OBJECT(qdev), &ahci_mem_ops, s,
diff --git a/hw/ide/microdrive.c b/hw/ide/microdrive.c
index 2d70ddb757..15671b8c4d 100644
--- a/hw/ide/microdrive.c
+++ b/hw/ide/microdrive.c
@@ -567,7 +567,7 @@ PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo)
}
md->bus.ifs[0].drive_kind = IDE_CFATA;
md->bus.ifs[0].mdata_size = METADATA_SIZE;
- md->bus.ifs[0].mdata_storage = (uint8_t *) g_malloc0(METADATA_SIZE);
+ md->bus.ifs[0].mdata_storage = g_malloc0(METADATA_SIZE);
return PCMCIA_CARD(md);
}
diff --git a/include/block/block.h b/include/block/block.h
index e94b701667..8f4ad16d8f 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -274,6 +274,7 @@ int coroutine_fn bdrv_co_write_zeroes(BlockDriverState *bs, int64_t sector_num,
BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs,
const char *backing_file);
int bdrv_get_backing_file_depth(BlockDriverState *bs);
+void bdrv_refresh_filename(BlockDriverState *bs);
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int64_t bdrv_nb_sectors(BlockDriverState *bs);
int64_t bdrv_getlength(BlockDriverState *bs);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 7b541a0691..233489547e 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -123,6 +123,9 @@ struct BlockDriver {
int (*bdrv_create)(const char *filename, QemuOpts *opts, Error **errp);
int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
int (*bdrv_make_empty)(BlockDriverState *bs);
+
+ void (*bdrv_refresh_filename)(BlockDriverState *bs);
+
/* aio */
BlockDriverAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
@@ -323,6 +326,9 @@ struct BlockDriverState {
this file image */
char backing_format[16]; /* if non-zero and backing_file exists */
+ QDict *full_open_options;
+ char exact_filename[1024];
+
BlockDriverState *backing_hd;
BlockDriverState *file;
diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
index d02960921a..55aec6bded 100644
--- a/qemu-img-cmds.hx
+++ b/qemu-img-cmds.hx
@@ -10,9 +10,9 @@ STEXI
ETEXI
DEF("check", img_check,
- "check [-q] [-f fmt] [--output=ofmt] [-r [leaks | all]] filename")
+ "check [-q] [-f fmt] [--output=ofmt] [-r [leaks | all]] [-T src_cache] filename")
STEXI
-@item check [-q] [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] @var{filename}
+@item check [-q] [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename}
ETEXI
DEF("create", img_create,
@@ -28,15 +28,15 @@ STEXI
ETEXI
DEF("compare", img_compare,
- "compare [-f fmt] [-F fmt] [-p] [-q] [-s] filename1 filename2")
+ "compare [-f fmt] [-F fmt] [-T src_cache] [-p] [-q] [-s] filename1 filename2")
STEXI
-@item compare [-f @var{fmt}] [-F @var{fmt}] [-p] [-q] [-s] @var{filename1} @var{filename2}
+@item compare [-f @var{fmt}] [-F @var{fmt}] [-T @var{src_cache}] [-p] [-q] [-s] @var{filename1} @var{filename2}
ETEXI
DEF("convert", img_convert,
- "convert [-c] [-p] [-q] [-n] [-f fmt] [-t cache] [-O output_fmt] [-o options] [-s snapshot_id_or_name] [-l snapshot_param] [-S sparse_size] filename [filename2 [...]] output_filename")
+ "convert [-c] [-p] [-q] [-n] [-f fmt] [-t cache] [-T src_cache] [-O output_fmt] [-o options] [-s snapshot_id_or_name] [-l snapshot_param] [-S sparse_size] filename [filename2 [...]] output_filename")
STEXI
-@item convert [-c] [-p] [-q] [-n] [-f @var{fmt}] [-t @var{cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-p] [-q] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
ETEXI
DEF("info", img_info,
@@ -58,9 +58,9 @@ STEXI
ETEXI
DEF("rebase", img_rebase,
- "rebase [-q] [-f fmt] [-t cache] [-p] [-u] -b backing_file [-F backing_fmt] filename")
+ "rebase [-q] [-f fmt] [-t cache] [-T src_cache] [-p] [-u] -b backing_file [-F backing_fmt] filename")
STEXI
-@item rebase [-q] [-f @var{fmt}] [-t @var{cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename}
+@item rebase [-q] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename}
ETEXI
DEF("resize", img_resize,
@@ -70,8 +70,8 @@ STEXI
ETEXI
DEF("amend", img_amend,
- "amend [-q] [-f fmt] -o options filename")
+ "amend [-q] [-f fmt] [-t cache] -o options filename")
STEXI
-@item amend [-q] [-f @var{fmt}] -o @var{options} @var{filename}
+@item amend [-q] [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename}
@end table
ETEXI
diff --git a/qemu-img.c b/qemu-img.c
index 18caa4b450..c8434206b8 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -109,6 +109,7 @@ static void QEMU_NORETURN help(void)
" 'cache' is the cache mode used to write the output disk image, the valid\n"
" options are: 'none', 'writeback' (default, except for convert), 'writethrough',\n"
" 'directsync' and 'unsafe' (default for convert)\n"
+ " 'src_cache' in contrast is the cache mode used to read input disk images\n"
" 'size' is the disk image size in bytes. Optional suffixes\n"
" 'k' or 'K' (kilobyte, 1024), 'M' (megabyte, 1024k), 'G' (gigabyte, 1024M),\n"
" 'T' (terabyte, 1024G), 'P' (petabyte, 1024T) and 'E' (exabyte, 1024P) are\n"
@@ -591,7 +592,7 @@ static int img_check(int argc, char **argv)
{
int c, ret;
OutputFormat output_format = OFORMAT_HUMAN;
- const char *filename, *fmt, *output;
+ const char *filename, *fmt, *output, *cache;
BlockDriverState *bs;
int fix = 0;
int flags = BDRV_O_FLAGS | BDRV_O_CHECK;
@@ -600,6 +601,7 @@ static int img_check(int argc, char **argv)
fmt = NULL;
output = NULL;
+ cache = BDRV_DEFAULT_CACHE;
for(;;) {
int option_index = 0;
static const struct option long_options[] = {
@@ -609,7 +611,7 @@ static int img_check(int argc, char **argv)
{"output", required_argument, 0, OPTION_OUTPUT},
{0, 0, 0, 0}
};
- c = getopt_long(argc, argv, "f:hr:q",
+ c = getopt_long(argc, argv, "hf:r:T:q",
long_options, &option_index);
if (c == -1) {
break;
@@ -637,6 +639,9 @@ static int img_check(int argc, char **argv)
case OPTION_OUTPUT:
output = optarg;
break;
+ case 'T':
+ cache = optarg;
+ break;
case 'q':
quiet = true;
break;
@@ -656,6 +661,12 @@ static int img_check(int argc, char **argv)
return 1;
}
+ ret = bdrv_parse_cache_flags(cache, &flags);
+ if (ret < 0) {
+ error_report("Invalid source cache option: %s", cache);
+ return 1;
+ }
+
bs = bdrv_new_open("image", filename, fmt, flags, true, quiet);
if (!bs) {
return 1;
@@ -948,7 +959,7 @@ static int check_empty_sectors(BlockDriverState *bs, int64_t sect_num,
*/
static int img_compare(int argc, char **argv)
{
- const char *fmt1 = NULL, *fmt2 = NULL, *filename1, *filename2;
+ const char *fmt1 = NULL, *fmt2 = NULL, *cache, *filename1, *filename2;
BlockDriverState *bs1, *bs2;
int64_t total_sectors1, total_sectors2;
uint8_t *buf1 = NULL, *buf2 = NULL;
@@ -956,14 +967,16 @@ static int img_compare(int argc, char **argv)
int allocated1, allocated2;
int ret = 0; /* return value - 0 Ident, 1 Different, >1 Error */
bool progress = false, quiet = false, strict = false;
+ int flags;
int64_t total_sectors;
int64_t sector_num = 0;
int64_t nb_sectors;
int c, pnum;
uint64_t progress_base;
+ cache = BDRV_DEFAULT_CACHE;
for (;;) {
- c = getopt(argc, argv, "hpf:F:sq");
+ c = getopt(argc, argv, "hf:F:T:pqs");
if (c == -1) {
break;
}
@@ -978,6 +991,9 @@ static int img_compare(int argc, char **argv)
case 'F':
fmt2 = optarg;
break;
+ case 'T':
+ cache = optarg;
+ break;
case 'p':
progress = true;
break;
@@ -1002,17 +1018,25 @@ static int img_compare(int argc, char **argv)
filename1 = argv[optind++];
filename2 = argv[optind++];
+ flags = BDRV_O_FLAGS;
+ ret = bdrv_parse_cache_flags(cache, &flags);
+ if (ret < 0) {
+ error_report("Invalid source cache option: %s", cache);
+ ret = 2;
+ goto out3;
+ }
+
/* Initialize before goto out */
qemu_progress_init(progress, 2.0);
- bs1 = bdrv_new_open("image 1", filename1, fmt1, BDRV_O_FLAGS, true, quiet);
+ bs1 = bdrv_new_open("image 1", filename1, fmt1, flags, true, quiet);
if (!bs1) {
error_report("Can't open file %s", filename1);
ret = 2;
goto out3;
}
- bs2 = bdrv_new_open("image 2", filename2, fmt2, BDRV_O_FLAGS, true, quiet);
+ bs2 = bdrv_new_open("image 2", filename2, fmt2, flags, true, quiet);
if (!bs2) {
error_report("Can't open file %s", filename2);
ret = 2;
@@ -1191,8 +1215,8 @@ static int img_convert(int argc, char **argv)
{
int c, n, n1, bs_n, bs_i, compress, cluster_sectors, skip_create;
int64_t ret = 0;
- int progress = 0, flags;
- const char *fmt, *out_fmt, *cache, *out_baseimg, *out_filename;
+ int progress = 0, flags, src_flags;
+ const char *fmt, *out_fmt, *cache, *src_cache, *out_baseimg, *out_filename;
BlockDriver *drv, *proto_drv;
BlockDriverState **bs = NULL, *out_bs = NULL;
int64_t total_sectors, nb_sectors, sector_num, bs_offset;
@@ -1214,11 +1238,12 @@ static int img_convert(int argc, char **argv)
fmt = NULL;
out_fmt = "raw";
cache = "unsafe";
+ src_cache = BDRV_DEFAULT_CACHE;
out_baseimg = NULL;
compress = 0;
skip_create = 0;
for(;;) {
- c = getopt(argc, argv, "f:O:B:s:hce6o:pS:t:qnl:");
+ c = getopt(argc, argv, "hf:O:B:ce6o:s:l:S:pt:T:qn");
if (c == -1) {
break;
}
@@ -1299,6 +1324,9 @@ static int img_convert(int argc, char **argv)
case 't':
cache = optarg;
break;
+ case 'T':
+ src_cache = optarg;
+ break;
case 'q':
quiet = true;
break;
@@ -1335,6 +1363,13 @@ static int img_convert(int argc, char **argv)
goto out;
}
+ src_flags = BDRV_O_FLAGS;
+ ret = bdrv_parse_cache_flags(src_cache, &src_flags);
+ if (ret < 0) {
+ error_report("Invalid source cache option: %s", src_cache);
+ goto out;
+ }
+
qemu_progress_print(0, 100);
bs = g_new0(BlockDriverState *, bs_n);
@@ -1344,7 +1379,7 @@ static int img_convert(int argc, char **argv)
for (bs_i = 0; bs_i < bs_n; bs_i++) {
char *id = bs_n > 1 ? g_strdup_printf("source %d", bs_i)
: g_strdup("source");
- bs[bs_i] = bdrv_new_open(id, argv[optind + bs_i], fmt, BDRV_O_FLAGS,
+ bs[bs_i] = bdrv_new_open(id, argv[optind + bs_i], fmt, src_flags,
true, quiet);
g_free(id);
if (!bs[bs_i]) {
@@ -2291,8 +2326,8 @@ static int img_rebase(int argc, char **argv)
BlockDriverState *bs, *bs_old_backing = NULL, *bs_new_backing = NULL;
BlockDriver *old_backing_drv, *new_backing_drv;
char *filename;
- const char *fmt, *cache, *out_basefmt, *out_baseimg;
- int c, flags, ret;
+ const char *fmt, *cache, *src_cache, *out_basefmt, *out_baseimg;
+ int c, flags, src_flags, ret;
int unsafe = 0;
int progress = 0;
bool quiet = false;
@@ -2301,10 +2336,11 @@ static int img_rebase(int argc, char **argv)
/* Parse commandline parameters */
fmt = NULL;
cache = BDRV_DEFAULT_CACHE;
+ src_cache = BDRV_DEFAULT_CACHE;
out_baseimg = NULL;
out_basefmt = NULL;
for(;;) {
- c = getopt(argc, argv, "uhf:F:b:pt:q");
+ c = getopt(argc, argv, "hf:F:b:upt:T:q");
if (c == -1) {
break;
}
@@ -2331,6 +2367,9 @@ static int img_rebase(int argc, char **argv)
case 't':
cache = optarg;
break;
+ case 'T':
+ src_cache = optarg;
+ break;
case 'q':
quiet = true;
break;
@@ -2359,6 +2398,13 @@ static int img_rebase(int argc, char **argv)
return -1;
}
+ src_flags = BDRV_O_FLAGS;
+ ret = bdrv_parse_cache_flags(src_cache, &src_flags);
+ if (ret < 0) {
+ error_report("Invalid source cache option: %s", src_cache);
+ return -1;
+ }
+
/*
* Open the images.
*
@@ -2402,7 +2448,7 @@ static int img_rebase(int argc, char **argv)
bs_old_backing = bdrv_new("old_backing", &error_abort);
bdrv_get_backing_filename(bs, backing_name, sizeof(backing_name));
- ret = bdrv_open(&bs_old_backing, backing_name, NULL, NULL, BDRV_O_FLAGS,
+ ret = bdrv_open(&bs_old_backing, backing_name, NULL, NULL, src_flags,
old_backing_drv, &local_err);
if (ret) {
error_report("Could not open old backing file '%s': %s",
@@ -2412,8 +2458,8 @@ static int img_rebase(int argc, char **argv)
}
if (out_baseimg[0]) {
bs_new_backing = bdrv_new("new_backing", &error_abort);
- ret = bdrv_open(&bs_new_backing, out_baseimg, NULL, NULL,
- BDRV_O_FLAGS, new_backing_drv, &local_err);
+ ret = bdrv_open(&bs_new_backing, out_baseimg, NULL, NULL, src_flags,
+ new_backing_drv, &local_err);
if (ret) {
error_report("Could not open new backing file '%s': %s",
out_baseimg, error_get_pretty(local_err));
@@ -2732,12 +2778,14 @@ static int img_amend(int argc, char **argv)
char *options = NULL;
QemuOptsList *create_opts = NULL;
QemuOpts *opts = NULL;
- const char *fmt = NULL, *filename;
+ const char *fmt = NULL, *filename, *cache;
+ int flags;
bool quiet = false;
BlockDriverState *bs = NULL;
+ cache = BDRV_DEFAULT_CACHE;
for (;;) {
- c = getopt(argc, argv, "hqf:o:");
+ c = getopt(argc, argv, "ho:f:t:q");
if (c == -1) {
break;
}
@@ -2764,6 +2812,9 @@ static int img_amend(int argc, char **argv)
case 'f':
fmt = optarg;
break;
+ case 't':
+ cache = optarg;
+ break;
case 'q':
quiet = true;
break;
@@ -2786,8 +2837,14 @@ static int img_amend(int argc, char **argv)
error_exit("Expecting one image file name");
}
- bs = bdrv_new_open("image", filename, fmt,
- BDRV_O_FLAGS | BDRV_O_RDWR, true, quiet);
+ flags = BDRV_O_FLAGS | BDRV_O_RDWR;
+ ret = bdrv_parse_cache_flags(cache, &flags);
+ if (ret < 0) {
+ error_report("Invalid cache option: %s", cache);
+ goto out;
+ }
+
+ bs = bdrv_new_open("image", filename, fmt, flags, true, quiet);
if (!bs) {
error_report("Could not open image '%s'", filename);
ret = -1;
diff --git a/qemu-img.texi b/qemu-img.texi
index 514be90f7d..cb689483b6 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -72,6 +72,9 @@ down to the nearest 512 bytes. You may use the common size suffixes like
specifies the cache mode that should be used with the (destination) file. See
the documentation of the emulator's @code{-drive cache=...} option for allowed
values.
+@item -T @var{src_cache}
+in contrast specifies the cache mode that should be used with the source
+file(s).
@end table
Parameters to snapshot subcommand:
@@ -113,7 +116,7 @@ Skip the creation of the target volume
Command description:
@table @option
-@item check [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] @var{filename}
+@item check [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename}
Perform a consistency check on the disk image @var{filename}. The command can
output in the format @var{ofmt} which is either @code{human} or @code{json}.
@@ -172,7 +175,7 @@ the backing file, the backing file will not be truncated. If you want the
backing file to match the size of the smaller snapshot, you can safely truncate
it yourself once the commit operation successfully completes.
-@item compare [-f @var{fmt}] [-F @var{fmt}] [-p] [-s] [-q] @var{filename1} @var{filename2}
+@item compare [-f @var{fmt}] [-F @var{fmt}] [-T @var{src_cache}] [-p] [-s] [-q] @var{filename1} @var{filename2}
Check if two images have the same content. You can compare images with
different format or settings.
@@ -213,7 +216,7 @@ Error on reading data
@end table
-@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
Convert the disk image @var{filename} or a snapshot @var{snapshot_param}(@var{snapshot_id_or_name} is deprecated)
to disk image @var{output_filename} using format @var{output_fmt}. It can be optionally compressed (@code{-c}
@@ -325,7 +328,7 @@ source code.
List, apply, create or delete snapshots in image @var{filename}.
-@item rebase [-f @var{fmt}] [-t @var{cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename}
+@item rebase [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-p] [-u] -b @var{backing_file} [-F @var{backing_fmt}] @var{filename}
Changes the backing file of an image. Only the formats @code{qcow2} and
@code{qed} support changing the backing file.
@@ -336,6 +339,9 @@ The backing file is changed to @var{backing_file} and (if the image format of
string), then the image is rebased onto no backing file (i.e. it will exist
independently of any backing file).
+@var{cache} specifies the cache mode to be used for @var{filename}, whereas
+@var{src_cache} specifies the cache mode for reading the new backing file.
+
There are two different modes in which @code{rebase} can operate:
@table @option
@item Safe mode
@@ -391,7 +397,7 @@ After using this command to grow a disk image, you must use file system and
partitioning tools inside the VM to actually begin using the new space on the
device.
-@item amend [-f @var{fmt}] -o @var{options} @var{filename}
+@item amend [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename}
Amends the image format specific @var{options} for the image file
@var{filename}. Not all file formats support this operation.
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index c503fc66aa..b224ede5fa 100644
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -29,7 +29,7 @@ static int compare_cmdname(const void *a, const void *b)
void qemuio_add_command(const cmdinfo_t *ci)
{
- cmdtab = g_realloc(cmdtab, ++ncmds * sizeof(*cmdtab));
+ cmdtab = g_renew(cmdinfo_t, cmdtab, ++ncmds);
cmdtab[ncmds - 1] = *ci;
qsort(cmdtab, ncmds, sizeof(*cmdtab), compare_cmdname);
}
@@ -114,23 +114,14 @@ static char **breakline(char *input, int *count)
{
int c = 0;
char *p;
- char **rval = g_malloc0(sizeof(char *));
- char **tmp;
+ char **rval = g_new0(char *, 1);
while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
if (!*p) {
continue;
}
c++;
- tmp = g_realloc(rval, sizeof(*rval) * (c + 1));
- if (!tmp) {
- g_free(rval);
- rval = NULL;
- c = 0;
- break;
- } else {
- rval = tmp;
- }
+ rval = g_renew(char *, rval, (c + 1));
rval[c - 1] = p;
rval[c] = NULL;
}
@@ -1264,9 +1255,9 @@ static int multiwrite_f(BlockDriverState *bs, int argc, char **argv)
}
}
- reqs = g_malloc0(nr_reqs * sizeof(*reqs));
- buf = g_malloc0(nr_reqs * sizeof(*buf));
- qiovs = g_malloc(nr_reqs * sizeof(*qiovs));
+ reqs = g_new0(BlockRequest, nr_reqs);
+ buf = g_new0(char *, nr_reqs);
+ qiovs = g_new(QEMUIOVector, nr_reqs);
for (i = 0; i < nr_reqs && optind < argc; i++) {
int j;
diff --git a/qemu-io.c b/qemu-io.c
index b55a550f27..33c96c4c1c 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -356,7 +356,7 @@ static void command_loop(void)
static void add_user_command(char *optarg)
{
- cmdline = g_realloc(cmdline, ++ncmdline * sizeof(char *));
+ cmdline = g_renew(char *, cmdline, ++ncmdline);
cmdline[ncmdline-1] = optarg;
}
diff --git a/tests/image-fuzzer/runner.py b/tests/image-fuzzer/runner.py
index 58079d331e..c903c8a342 100755
--- a/tests/image-fuzzer/runner.py
+++ b/tests/image-fuzzer/runner.py
@@ -25,6 +25,7 @@ import subprocess
import random
import shutil
from itertools import count
+import time
import getopt
import StringIO
import resource
@@ -64,14 +65,35 @@ def run_app(fd, q_args):
"""Start an application with specified arguments and return its exit code
or kill signal depending on the result of execution.
"""
+
+ class Alarm(Exception):
+ """Exception for signal.alarm events."""
+ pass
+
+ def handler(*arg):
+ """Notify that an alarm event occurred."""
+ raise Alarm
+
+ signal.signal(signal.SIGALRM, handler)
+ signal.alarm(600)
+ term_signal = signal.SIGKILL
devnull = open('/dev/null', 'r+')
process = subprocess.Popen(q_args, stdin=devnull,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
- out, err = process.communicate()
- fd.write(out)
- fd.write(err)
- return process.returncode
+ try:
+ out, err = process.communicate()
+ signal.alarm(0)
+ fd.write(out)
+ fd.write(err)
+ fd.flush()
+ return process.returncode
+
+ except Alarm:
+ os.kill(process.pid, term_signal)
+ fd.write('The command was terminated by timeout.\n')
+ fd.flush()
+ return -term_signal
class TestException(Exception):
@@ -269,6 +291,7 @@ if __name__ == '__main__':
Optional arguments:
-h, --help display this help and exit
+ -d, --duration=NUMBER finish tests after NUMBER of seconds
-c, --command=JSON run tests for all commands specified in
the JSON array
-s, --seed=STRING seed for a test image generation,
@@ -325,10 +348,15 @@ if __name__ == '__main__':
finally:
test.finish()
+ def should_continue(duration, start_time):
+ """Return True if a new test can be started and False otherwise."""
+ current_time = int(time.time())
+ return (duration is None) or (current_time - start_time < duration)
+
try:
- opts, args = getopt.gnu_getopt(sys.argv[1:], 'c:hs:kv',
+ opts, args = getopt.gnu_getopt(sys.argv[1:], 'c:hs:kvd:',
['command=', 'help', 'seed=', 'config=',
- 'keep_passed', 'verbose'])
+ 'keep_passed', 'verbose', 'duration='])
except getopt.error, e:
print >>sys.stderr, \
"Error: %s\n\nTry 'runner.py --help' for more information" % e
@@ -339,6 +367,8 @@ if __name__ == '__main__':
log_all = False
seed = None
config = None
+ duration = None
+
for opt, arg in opts:
if opt in ('-h', '--help'):
usage()
@@ -357,6 +387,8 @@ if __name__ == '__main__':
log_all = True
elif opt in ('-s', '--seed'):
seed = arg
+ elif opt in ('-d', '--duration'):
+ duration = int(arg)
elif opt == '--config':
try:
config = json.loads(arg)
@@ -394,9 +426,11 @@ if __name__ == '__main__':
resource.setrlimit(resource.RLIMIT_CORE, (-1, -1))
# If a seed is specified, only one test will be executed.
# Otherwise runner will terminate after a keyboard interruption
- for test_id in count(1):
+ start_time = int(time.time())
+ test_id = count(1)
+ while should_continue(duration, start_time):
try:
- run_test(str(test_id), seed, work_dir, run_log, cleanup,
+ run_test(str(test_id.next()), seed, work_dir, run_log, cleanup,
log_all, command, config)
except (KeyboardInterrupt, SystemExit):
sys.exit(1)
diff --git a/tests/qemu-iotests/028 b/tests/qemu-iotests/028
index 9e701e1c2b..a1f4423d4a 100755
--- a/tests/qemu-iotests/028
+++ b/tests/qemu-iotests/028
@@ -113,6 +113,7 @@ QEMU_COMM_TIMEOUT=1
# Silence output since it contains the disk image path and QEMU's readline
# character echoing makes it very hard to filter the output
_send_qemu_cmd $h "drive_backup disk ${TEST_IMG}.copy" "(qemu)" >/dev/null
+_send_qemu_cmd $h "" "Formatting" | _filter_img_create
qemu_cmd_repeat=20 _send_qemu_cmd $h "info block-jobs" "No active jobs"
_send_qemu_cmd $h 'quit' ""
diff --git a/tests/qemu-iotests/028.out b/tests/qemu-iotests/028.out
index 0e1a5ae65d..e8d02459be 100644
--- a/tests/qemu-iotests/028.out
+++ b/tests/qemu-iotests/028.out
@@ -468,7 +468,8 @@ No errors were found on the image.
block-backup
-Formatting 'TEST_DIR/t.qcow2.copy', fmt=qcow2 size=4294968832 backing_file='TEST_DIR/t.qcow2.base' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
+Formatting 'TEST_DIR/t.IMGFMT.copy', fmt=IMGFMT size=4294968832 backing_file='TEST_DIR/t.IMGFMT.base' backing_fmt='IMGFMT'
+(qemu)
(qemu) iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block-info block-jinfo block-joinfo block-jobinfo block-jobs
Type backup, device disk: Completed 0 of 4294968832 bytes, speed limit 0 bytes/s
iininfinfoinfo info binfo blinfo bloinfo blocinfo blockinfo block-info block-jinfo block-joinfo block-jobinfo block-jobs
diff --git a/tests/qemu-iotests/099 b/tests/qemu-iotests/099
new file mode 100755
index 0000000000..a26d3d243e
--- /dev/null
+++ b/tests/qemu-iotests/099
@@ -0,0 +1,116 @@
+#!/bin/bash
+#
+# Test valid filenames for blkdebug and blkverify representatively for
+# other protocols (such as NBD) when queried
+#
+# Copyright (C) 2014 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=mreitz@redhat.com
+
+seq="$(basename $0)"
+echo "QA output created by $seq"
+
+here="$PWD"
+tmp=/tmp/$$
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# Basically all formats, but "raw" has issues with _filter_imgfmt regarding the
+# raw comparison image for blkverify; also, all images have to support creation
+_supported_fmt cow qcow qcow2 qed vdi vhdx vmdk vpc
+_supported_proto file
+_supported_os Linux
+
+
+function do_run_qemu()
+{
+ $QEMU -nographic -qmp stdio -serial none "$@"
+}
+
+function run_qemu()
+{
+ # Get the "file": "foo" entry ($foo may only contain escaped double quotes,
+ # which is how we can extract it)
+ do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt | _filter_qmp \
+ | grep "drv0" \
+ | sed -e 's/^.*"file": "\(\(\\"\|[^"]\)*\)".*$/\1/' -e 's/\\"/"/g'
+}
+
+function test_qemu()
+{
+ run_qemu -drive "if=none,id=drv0,$1" <<EOF
+ { 'execute': 'qmp_capabilities' }
+ { 'execute': 'query-block' }
+ { 'execute': 'quit' }
+EOF
+}
+
+
+
+IMG_SIZE=128K
+
+_make_test_img $IMG_SIZE
+$QEMU_IMG create -f raw "$TEST_IMG.compare" $IMG_SIZE \
+ | _filter_testdir | _filter_imgfmt
+
+echo
+echo '=== Testing simple filename for blkverify ==='
+echo
+
+# This should return simply the filename itself
+test_qemu "file=blkverify:$TEST_IMG.compare:$TEST_IMG"
+
+echo
+echo '=== Testing filename reconstruction for blkverify ==='
+echo
+
+# This should return the same filename as above
+test_qemu "file.driver=blkverify,file.raw.filename=$TEST_IMG.compare,file.test.file.filename=$TEST_IMG"
+
+echo
+echo '=== Testing JSON filename for blkdebug ==='
+echo
+
+# blkdebug cannot create a configuration file, therefore it is unable to
+# generate a plain filename here; thus this should return a JSON filename
+test_qemu "file.driver=blkdebug,file.image.filename=$TEST_IMG,file.inject-error.0.event=l1_update"
+
+echo
+echo '=== Testing indirectly enforced JSON filename ==='
+echo
+
+# Because blkdebug cannot return a plain filename, blkverify is forced to
+# generate a JSON object here as well
+test_qemu "file.driver=blkverify,file.raw.filename=$TEST_IMG.compare,file.test.file.driver=blkdebug,file.test.file.image.filename=$TEST_IMG,file.test.file.inject-error.0.event=l1_update"
+
+
+rm -f "$TEST_IMG.compare"
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/099.out b/tests/qemu-iotests/099.out
new file mode 100644
index 0000000000..55be4d4c56
--- /dev/null
+++ b/tests/qemu-iotests/099.out
@@ -0,0 +1,20 @@
+QA output created by 099
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072
+Formatting 'TEST_DIR/t.IMGFMT.compare', fmt=raw size=131072
+
+=== Testing simple filename for blkverify ===
+
+blkverify:TEST_DIR/t.IMGFMT.compare:TEST_DIR/t.IMGFMT
+
+=== Testing filename reconstruction for blkverify ===
+
+blkverify:TEST_DIR/t.IMGFMT.compare:TEST_DIR/t.IMGFMT
+
+=== Testing JSON filename for blkdebug ===
+
+json:{"driver": "IMGFMT", "file": {"inject-error": [{"immediately": false, "once": false, "state": 0, "sector": -1, "event": "l1_update", "errno": 5}], "image": {"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, "driver": "blkdebug"}}
+
+=== Testing indirectly enforced JSON filename ===
+
+json:{"driver": "raw", "file": {"test": {"driver": "IMGFMT", "file": {"inject-error": [{"immediately": false, "once": false, "state": 0, "sector": -1, "event": "l1_update", "errno": 5}], "image": {"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, "driver": "blkdebug"}}, "driver": "blkverify", "raw": {"driver": "file", "filename": "TEST_DIR/t.IMGFMT.compare"}}}
+*** done
diff --git a/tests/qemu-iotests/101 b/tests/qemu-iotests/101
new file mode 100755
index 0000000000..70fbf25f68
--- /dev/null
+++ b/tests/qemu-iotests/101
@@ -0,0 +1,58 @@
+#!/bin/bash
+#
+# Test short file I/O
+#
+# Copyright (C) 2014 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=stefanha@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt raw
+_supported_proto file
+_supported_os Linux
+
+
+echo
+echo "== creating short image file =="
+dd if=/dev/zero of="$TEST_IMG" bs=1 count=320
+
+echo
+echo "== reading bytes beyond EOF gives zeroes =="
+$QEMU_IO -c "read -P 0 0 512" "$TEST_IMG" | _filter_qemu_io
+
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/101.out b/tests/qemu-iotests/101.out
new file mode 100644
index 0000000000..9a996e8fc8
--- /dev/null
+++ b/tests/qemu-iotests/101.out
@@ -0,0 +1,10 @@
+QA output created by 101
+
+== creating short image file ==
+320+0 records in
+320+0 records out
+
+== reading bytes beyond EOF gives zeroes ==
+read 512/512 bytes at offset 0
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+*** done
diff --git a/tests/qemu-iotests/103 b/tests/qemu-iotests/103
new file mode 100755
index 0000000000..0f1dc9fa7d
--- /dev/null
+++ b/tests/qemu-iotests/103
@@ -0,0 +1,99 @@
+#!/bin/bash
+#
+# Test case for qcow2 metadata cache size specification
+#
+# Copyright (C) 2014 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=mreitz@redhat.com
+
+seq=$(basename $0)
+echo "QA output created by $seq"
+
+here=$PWD
+tmp=/tmp/$$
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt qcow2
+_supported_proto file
+_supported_os Linux
+
+IMG_SIZE=64K
+
+_make_test_img $IMG_SIZE
+$QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
+
+echo
+echo '=== Testing invalid option combinations ==='
+echo
+
+# all sizes set at the same time
+$QEMU_IO -c "open -o cache-size=1.25M,l2-cache-size=1M,refcount-cache-size=0.25M $TEST_IMG" \
+ 2>&1 | _filter_testdir | _filter_imgfmt
+# l2-cache-size may not exceed cache-size
+$QEMU_IO -c "open -o cache-size=1M,l2-cache-size=2M $TEST_IMG" 2>&1 \
+ | _filter_testdir | _filter_imgfmt
+# refcount-cache-size may not exceed cache-size
+$QEMU_IO -c "open -o cache-size=1M,refcount-cache-size=2M $TEST_IMG" 2>&1 \
+ | _filter_testdir | _filter_imgfmt
+# 0 should be a valid size (e.g. for enforcing the minimum), so this should not
+# work
+$QEMU_IO -c "open -o cache-size=0,l2-cache-size=0,refcount-cache-size=0 $TEST_IMG" \
+ 2>&1 | _filter_testdir | _filter_imgfmt
+
+echo
+echo '=== Testing valid option combinations ==='
+echo
+
+# There should be a reasonable and working minimum
+$QEMU_IO -c "open -o cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+$QEMU_IO -c "open -o l2-cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+$QEMU_IO -c "open -o refcount-cache-size=0 $TEST_IMG" -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+
+# Derive cache sizes from combined size (with a reasonable ratio, but we cannot
+# test that)
+$QEMU_IO -c "open -o cache-size=2M $TEST_IMG" -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+# Fix one cache, derive the other
+$QEMU_IO -c "open -o cache-size=2M,l2-cache-size=1M $TEST_IMG" \
+ -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+$QEMU_IO -c "open -o cache-size=2M,refcount-cache-size=1M $TEST_IMG" \
+ -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+# Directly set both caches
+$QEMU_IO -c "open -o l2-cache-size=1M,refcount-cache-size=0.25M $TEST_IMG" \
+ -c 'read -P 42 0 64k' \
+ | _filter_qemu_io
+
+# success, all done
+echo '*** done'
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/103.out b/tests/qemu-iotests/103.out
new file mode 100644
index 0000000000..ddf6b5a075
--- /dev/null
+++ b/tests/qemu-iotests/103.out
@@ -0,0 +1,29 @@
+QA output created by 103
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=== Testing invalid option combinations ===
+
+qemu-io: can't open device TEST_DIR/t.IMGFMT: cache-size, l2-cache-size and refcount-cache-size may not be set the same time
+qemu-io: can't open device TEST_DIR/t.IMGFMT: l2-cache-size may not exceed cache-size
+qemu-io: can't open device TEST_DIR/t.IMGFMT: refcount-cache-size may not exceed cache-size
+qemu-io: can't open device TEST_DIR/t.IMGFMT: cache-size, l2-cache-size and refcount-cache-size may not be set the same time
+
+=== Testing valid option combinations ===
+
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+*** done
diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index a04df7f6dc..51192c8511 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -170,5 +170,27 @@ _filter_qmp()
-e 's#^{"QMP":.*}$#QMP_VERSION#'
}
+# replace driver-specific options in the "Formatting..." line
+_filter_img_create()
+{
+ sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
+ -e "s#$TEST_DIR#TEST_DIR#g" \
+ -e "s#$IMGFMT#IMGFMT#g" \
+ -e "s# encryption=off##g" \
+ -e "s# cluster_size=[0-9]\\+##g" \
+ -e "s# table_size=[0-9]\\+##g" \
+ -e "s# compat='[^']*'##g" \
+ -e "s# compat6=\\(on\\|off\\)##g" \
+ -e "s# static=\\(on\\|off\\)##g" \
+ -e "s# zeroed_grain=\\(on\\|off\\)##g" \
+ -e "s# subformat='[^']*'##g" \
+ -e "s# adapter_type='[^']*'##g" \
+ -e "s# lazy_refcounts=\\(on\\|off\\)##g" \
+ -e "s# block_size=[0-9]\\+##g" \
+ -e "s# block_state_zero=\\(on\\|off\\)##g" \
+ -e "s# log_size=[0-9]\\+##g" \
+ -e "s/archipelago:a/TEST_DIR\//g"
+}
+
# make sure this script returns success
/bin/true
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index 3fd691e6cd..9c49deb3dd 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -149,24 +149,7 @@ _make_test_img()
else
$QEMU_IMG create -f $IMGFMT $extra_img_options "$img_name" $image_size 2>&1
fi
- ) | \
- sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
- -e "s#$TEST_DIR#TEST_DIR#g" \
- -e "s#$IMGFMT#IMGFMT#g" \
- -e "s# encryption=off##g" \
- -e "s# cluster_size=[0-9]\\+##g" \
- -e "s# table_size=[0-9]\\+##g" \
- -e "s# compat='[^']*'##g" \
- -e "s# compat6=\\(on\\|off\\)##g" \
- -e "s# static=\\(on\\|off\\)##g" \
- -e "s# zeroed_grain=\\(on\\|off\\)##g" \
- -e "s# subformat='[^']*'##g" \
- -e "s# adapter_type='[^']*'##g" \
- -e "s# lazy_refcounts=\\(on\\|off\\)##g" \
- -e "s# block_size=[0-9]\\+##g" \
- -e "s# block_state_zero=\\(on\\|off\\)##g" \
- -e "s# log_size=[0-9]\\+##g" \
- -e "s/archipelago:a/TEST_DIR\//g"
+ ) | _filter_img_create
# Start an NBD server on the image file, which is what we'll be talking to
if [ $IMGPROTO = "nbd" ]; then
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 6e67f61262..2803d68d62 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -100,3 +100,6 @@
091 rw auto quick
092 rw auto quick
095 rw auto quick
+099 rw auto quick
+101 rw auto quick
+103 rw auto quick
diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c
index 6e634f4a78..e22fae170a 100644
--- a/tests/test-coroutine.c
+++ b/tests/test-coroutine.c
@@ -311,6 +311,35 @@ static void perf_baseline(void)
maxcycles, duration);
}
+static __attribute__((noinline)) void perf_cost_func(void *opaque)
+{
+ qemu_coroutine_yield();
+}
+
+static void perf_cost(void)
+{
+ const unsigned long maxcycles = 40000000;
+ unsigned long i = 0;
+ double duration;
+ unsigned long ops;
+ Coroutine *co;
+
+ g_test_timer_start();
+ while (i++ < maxcycles) {
+ co = qemu_coroutine_create(perf_cost_func);
+ qemu_coroutine_enter(co, &i);
+ qemu_coroutine_enter(co, NULL);
+ }
+ duration = g_test_timer_elapsed();
+ ops = (long)(maxcycles / (duration * 1000));
+
+ g_test_message("Run operation %lu iterations %f s, %luK operations/s, "
+ "%luns per coroutine",
+ maxcycles,
+ duration, ops,
+ (unsigned long)(1000000000 * duration) / maxcycles);
+}
+
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -325,6 +354,7 @@ int main(int argc, char **argv)
g_test_add_func("/perf/nesting", perf_nesting);
g_test_add_func("/perf/yield", perf_yield);
g_test_add_func("/perf/function-call", perf_baseline);
+ g_test_add_func("/perf/cost", perf_cost);
}
return g_test_run();
}