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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 17:44:21 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 17:44:21 -0700
commit501b7c77de3e90519e95fd99e923bf9a29cd120d (patch)
treef7dc56286e7309186f335d32f03434e82f31a41d
parent74e651f0aa100f3e5d3432a8dd8869c089e8d72f (diff)
parent184d7d20d352c7374f70ebca7468dc8cd5cc618a (diff)
downloadlinux-2.6.34-ux500-501b7c77de3e90519e95fd99e923bf9a29cd120d.tar.gz
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: remove redundant NULL checks in ocfs2_direct_IO_get_blocks() ocfs2: clean up some osb fields ocfs2: fix init of uuid_net_key ocfs2: silence a debug print ocfs2: silence ENOENT during lookup of broken links ocfs2: Cleanup message prints ocfs2: silence -EEXIST from ocfs2_extent_map_insert/lookup [PATCH] fs/ocfs2/dlm/dlmrecovery.c: make dlm_lockres_master_requery() static ocfs2: warn the user on a dead timeout mismatch ocfs2: OCFS2_FS must depend on SYSFS ocfs2: Compile-time disabling of ocfs2 debugging output. configfs: Clear up a few extra spaces where there should be TABs. configfs: Release memory in configfs_example.
-rw-r--r--Documentation/filesystems/configfs/configfs_example.c19
-rw-r--r--fs/Kconfig12
-rw-r--r--fs/configfs/dir.c6
-rw-r--r--fs/configfs/symlink.c2
-rw-r--r--fs/ocfs2/aops.c9
-rw-r--r--fs/ocfs2/cluster/heartbeat.c20
-rw-r--r--fs/ocfs2/cluster/masklog.h22
-rw-r--r--fs/ocfs2/cluster/ocfs2_heartbeat.h1
-rw-r--r--fs/ocfs2/cluster/tcp.c14
-rw-r--r--fs/ocfs2/dir.c6
-rw-r--r--fs/ocfs2/dlm/dlmcommon.h2
-rw-r--r--fs/ocfs2/dlm/dlmdomain.c9
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c8
-rw-r--r--fs/ocfs2/dlmglue.c3
-rw-r--r--fs/ocfs2/extent_map.c29
-rw-r--r--fs/ocfs2/journal.c5
-rw-r--r--fs/ocfs2/mmap.c4
-rw-r--r--fs/ocfs2/ocfs2.h4
-rw-r--r--fs/ocfs2/slot_map.c2
-rw-r--r--fs/ocfs2/super.c49
-rw-r--r--fs/ocfs2/symlink.c2
21 files changed, 131 insertions, 97 deletions
diff --git a/Documentation/filesystems/configfs/configfs_example.c b/Documentation/filesystems/configfs/configfs_example.c
index 3d4713a6c20..2d6a14a463e 100644
--- a/Documentation/filesystems/configfs/configfs_example.c
+++ b/Documentation/filesystems/configfs/configfs_example.c
@@ -264,6 +264,15 @@ static struct config_item_type simple_child_type = {
};
+struct simple_children {
+ struct config_group group;
+};
+
+static inline struct simple_children *to_simple_children(struct config_item *item)
+{
+ return item ? container_of(to_config_group(item), struct simple_children, group) : NULL;
+}
+
static struct config_item *simple_children_make_item(struct config_group *group, const char *name)
{
struct simple_child *simple_child;
@@ -304,7 +313,13 @@ static ssize_t simple_children_attr_show(struct config_item *item,
"items have only one attribute that is readable and writeable.\n");
}
+static void simple_children_release(struct config_item *item)
+{
+ kfree(to_simple_children(item));
+}
+
static struct configfs_item_operations simple_children_item_ops = {
+ .release = simple_children_release,
.show_attribute = simple_children_attr_show,
};
@@ -345,10 +360,6 @@ static struct configfs_subsystem simple_children_subsys = {
* children of its own.
*/
-struct simple_children {
- struct config_group group;
-};
-
static struct config_group *group_children_make_group(struct config_group *group, const char *name)
{
struct simple_children *simple_children;
diff --git a/fs/Kconfig b/fs/Kconfig
index 6dc8cfd6d80..53f5c6d6112 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -326,7 +326,7 @@ source "fs/xfs/Kconfig"
config OCFS2_FS
tristate "OCFS2 file system support (EXPERIMENTAL)"
- depends on NET && EXPERIMENTAL
+ depends on NET && SYSFS && EXPERIMENTAL
select CONFIGFS_FS
select JBD
select CRC32
@@ -356,6 +356,16 @@ config OCFS2_FS
- POSIX ACLs
- readpages / writepages (not user visible)
+config OCFS2_DEBUG_MASKLOG
+ bool "OCFS2 logging support"
+ depends on OCFS2_FS
+ default y
+ help
+ The ocfs2 filesystem has an extensive logging system. The system
+ allows selection of events to log via files in /sys/o2cb/logmask/.
+ This option will enlarge your kernel, but it allows debugging of
+ ocfs2 filesystem issues.
+
config MINIX_FS
tristate "Minix fs support"
help
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 207f8006fd6..df025453dd9 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -211,7 +211,7 @@ static void remove_dir(struct dentry * d)
struct configfs_dirent * sd;
sd = d->d_fsdata;
- list_del_init(&sd->s_sibling);
+ list_del_init(&sd->s_sibling);
configfs_put(sd);
if (d->d_inode)
simple_rmdir(parent->d_inode,d);
@@ -330,7 +330,7 @@ static int configfs_detach_prep(struct dentry *dentry)
ret = configfs_detach_prep(sd->s_dentry);
if (!ret)
- continue;
+ continue;
} else
ret = -ENOTEMPTY;
@@ -931,7 +931,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
new_dentry = lookup_one_len(new_name, parent, strlen(new_name));
if (!IS_ERR(new_dentry)) {
- if (!new_dentry->d_inode) {
+ if (!new_dentry->d_inode) {
error = config_item_set_name(item, "%s", new_name);
if (!error) {
d_add(new_dentry, NULL);
diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index e5512e295cf..fb65e0800a8 100644
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -66,7 +66,7 @@ static void fill_item_path(struct config_item * item, char * buffer, int length)
}
static int create_link(struct config_item *parent_item,
- struct config_item *item,
+ struct config_item *item,
struct dentry *dentry)
{
struct configfs_dirent *target_sd = item->ci_dentry->d_fsdata;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index cca71317b6d..f1d1c342ce0 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -558,16 +558,9 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
u64 vbo_max; /* file offset, max_blocks from iblock */
u64 p_blkno;
int contig_blocks;
- unsigned char blocksize_bits;
+ unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
unsigned long max_blocks = bh_result->b_size >> inode->i_blkbits;
- if (!inode || !bh_result) {
- mlog(ML_ERROR, "inode or bh_result is null\n");
- return -EIO;
- }
-
- blocksize_bits = inode->i_sb->s_blocksize_bits;
-
/* This function won't even be called if the request isn't all
* nicely aligned and of the right size, so there's no need
* for us to check any of that. */
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 1d26cfcd9f8..504595d6cf6 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -517,6 +517,7 @@ static inline void o2hb_prepare_block(struct o2hb_region *reg,
hb_block->hb_seq = cpu_to_le64(cputime);
hb_block->hb_node = node_num;
hb_block->hb_generation = cpu_to_le64(generation);
+ hb_block->hb_dead_ms = cpu_to_le32(o2hb_dead_threshold * O2HB_REGION_TIMEOUT_MS);
/* This step must always happen last! */
hb_block->hb_cksum = cpu_to_le32(o2hb_compute_block_crc_le(reg,
@@ -645,6 +646,8 @@ static int o2hb_check_slot(struct o2hb_region *reg,
struct o2nm_node *node;
struct o2hb_disk_heartbeat_block *hb_block = reg->hr_tmp_block;
u64 cputime;
+ unsigned int dead_ms = o2hb_dead_threshold * O2HB_REGION_TIMEOUT_MS;
+ unsigned int slot_dead_ms;
memcpy(hb_block, slot->ds_raw_block, reg->hr_block_bytes);
@@ -733,6 +736,23 @@ fire_callbacks:
&o2hb_live_slots[slot->ds_node_num]);
slot->ds_equal_samples = 0;
+
+ /* We want to be sure that all nodes agree on the
+ * number of milliseconds before a node will be
+ * considered dead. The self-fencing timeout is
+ * computed from this value, and a discrepancy might
+ * result in heartbeat calling a node dead when it
+ * hasn't self-fenced yet. */
+ slot_dead_ms = le32_to_cpu(hb_block->hb_dead_ms);
+ if (slot_dead_ms && slot_dead_ms != dead_ms) {
+ /* TODO: Perhaps we can fail the region here. */
+ mlog(ML_ERROR, "Node %d on device %s has a dead count "
+ "of %u ms, but our count is %u ms.\n"
+ "Please double check your configuration values "
+ "for 'O2CB_HEARTBEAT_THRESHOLD'\n",
+ slot->ds_node_num, reg->hr_dev_name, slot_dead_ms,
+ dead_ms);
+ }
goto out;
}
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 73edad78253..a42628ba9dd 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -123,6 +123,17 @@
#define MLOG_MASK_PREFIX 0
#endif
+/*
+ * When logging is disabled, force the bit test to 0 for anything other
+ * than errors and notices, allowing gcc to remove the code completely.
+ * When enabled, allow all masks.
+ */
+#if defined(CONFIG_OCFS2_DEBUG_MASKLOG)
+#define ML_ALLOWED_BITS ~0
+#else
+#define ML_ALLOWED_BITS (ML_ERROR|ML_NOTICE)
+#endif
+
#define MLOG_MAX_BITS 64
struct mlog_bits {
@@ -187,7 +198,8 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
#define mlog(mask, fmt, args...) do { \
u64 __m = MLOG_MASK_PREFIX | (mask); \
- if (__mlog_test_u64(__m, mlog_and_bits) && \
+ if ((__m & ML_ALLOWED_BITS) && \
+ __mlog_test_u64(__m, mlog_and_bits) && \
!__mlog_test_u64(__m, mlog_not_bits)) { \
if (__m & ML_ERROR) \
__mlog_printk(KERN_ERR, "ERROR: "fmt , ##args); \
@@ -204,6 +216,7 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
mlog(ML_ERROR, "status = %lld\n", (long long)_st); \
} while (0)
+#if defined(CONFIG_OCFS2_DEBUG_MASKLOG)
#define mlog_entry(fmt, args...) do { \
mlog(ML_ENTRY, "ENTRY:" fmt , ##args); \
} while (0)
@@ -247,6 +260,13 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
#define mlog_exit_void() do { \
mlog(ML_EXIT, "EXIT\n"); \
} while (0)
+#else
+#define mlog_entry(...) do { } while (0)
+#define mlog_entry_void(...) do { } while (0)
+#define mlog_exit(...) do { } while (0)
+#define mlog_exit_ptr(...) do { } while (0)
+#define mlog_exit_void(...) do { } while (0)
+#endif /* defined(CONFIG_OCFS2_DEBUG_MASKLOG) */
#define mlog_bug_on_msg(cond, fmt, args...) do { \
if (cond) { \
diff --git a/fs/ocfs2/cluster/ocfs2_heartbeat.h b/fs/ocfs2/cluster/ocfs2_heartbeat.h
index 94096069cb4..3f4151da970 100644
--- a/fs/ocfs2/cluster/ocfs2_heartbeat.h
+++ b/fs/ocfs2/cluster/ocfs2_heartbeat.h
@@ -32,6 +32,7 @@ struct o2hb_disk_heartbeat_block {
__u8 hb_pad1[3];
__le32 hb_cksum;
__le64 hb_generation;
+ __le32 hb_dead_ms;
};
#endif /* _OCFS2_HEARTBEAT_H */
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 1591eb37a72..b650efa8c8b 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -396,8 +396,8 @@ static void o2net_set_nn_state(struct o2net_node *nn,
}
if (was_valid && !valid) {
- mlog(ML_NOTICE, "no longer connected to " SC_NODEF_FMT "\n",
- SC_NODEF_ARGS(old_sc));
+ printk(KERN_INFO "o2net: no longer connected to "
+ SC_NODEF_FMT "\n", SC_NODEF_ARGS(old_sc));
o2net_complete_nodes_nsw(nn);
}
@@ -409,10 +409,10 @@ static void o2net_set_nn_state(struct o2net_node *nn,
* the only way to start connecting again is to down
* heartbeat and bring it back up. */
cancel_delayed_work(&nn->nn_connect_expired);
- mlog(ML_NOTICE, "%s " SC_NODEF_FMT "\n",
- o2nm_this_node() > sc->sc_node->nd_num ?
- "connected to" : "accepted connection from",
- SC_NODEF_ARGS(sc));
+ printk(KERN_INFO "o2net: %s " SC_NODEF_FMT "\n",
+ o2nm_this_node() > sc->sc_node->nd_num ?
+ "connected to" : "accepted connection from",
+ SC_NODEF_ARGS(sc));
}
/* trigger the connecting worker func as long as we're not valid,
@@ -1280,7 +1280,7 @@ static void o2net_idle_timer(unsigned long data)
do_gettimeofday(&now);
- mlog(ML_NOTICE, "connection to " SC_NODEF_FMT " has been idle for 10 "
+ printk(KERN_INFO "o2net: connection to " SC_NODEF_FMT " has been idle for 10 "
"seconds, shutting it down.\n", SC_NODEF_ARGS(sc));
mlog(ML_NOTICE, "here are some times that might help debug the "
"situation: (tmr %ld.%ld now %ld.%ld dr %ld.%ld adv "
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index ae47f450792..3d494d1a5f3 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -213,11 +213,9 @@ int ocfs2_find_files_on_disk(const char *name,
struct ocfs2_dir_entry **dirent)
{
int status = -ENOENT;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- mlog_entry("(osb=%p, parent=%llu, name='%.*s', blkno=%p, inode=%p)\n",
- osb, (unsigned long long)OCFS2_I(inode)->ip_blkno,
- namelen, name, blkno, inode);
+ mlog_entry("(name=%.*s, blkno=%p, inode=%p, dirent_bh=%p, dirent=%p)\n",
+ namelen, name, blkno, inode, dirent_bh, dirent);
*dirent_bh = ocfs2_find_entry(name, namelen, inode, dirent);
if (!*dirent_bh || !*dirent) {
diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h
index 9bdc9cf6599..14530ee7e11 100644
--- a/fs/ocfs2/dlm/dlmcommon.h
+++ b/fs/ocfs2/dlm/dlmcommon.h
@@ -822,8 +822,6 @@ int dlm_begin_reco_handler(struct o2net_msg *msg, u32 len, void *data);
int dlm_finalize_reco_handler(struct o2net_msg *msg, u32 len, void *data);
int dlm_do_master_requery(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
u8 nodenum, u8 *real_master);
-int dlm_lockres_master_requery(struct dlm_ctxt *dlm,
- struct dlm_lock_resource *res, u8 *real_master);
int dlm_dispatch_assert_master(struct dlm_ctxt *dlm,
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index b8c23f7ba67..8d1065f8b3b 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -408,12 +408,13 @@ static void __dlm_print_nodes(struct dlm_ctxt *dlm)
assert_spin_locked(&dlm->spinlock);
- mlog(ML_NOTICE, "Nodes in my domain (\"%s\"):\n", dlm->name);
+ printk(KERN_INFO "ocfs2_dlm: Nodes in domain (\"%s\"): ", dlm->name);
while ((node = find_next_bit(dlm->domain_map, O2NM_MAX_NODES,
node + 1)) < O2NM_MAX_NODES) {
- mlog(ML_NOTICE, " node %d\n", node);
+ printk("%d ", node);
}
+ printk("\n");
}
static int dlm_exit_domain_handler(struct o2net_msg *msg, u32 len, void *data)
@@ -429,7 +430,7 @@ static int dlm_exit_domain_handler(struct o2net_msg *msg, u32 len, void *data)
node = exit_msg->node_idx;
- mlog(0, "Node %u leaves domain %s\n", node, dlm->name);
+ printk(KERN_INFO "ocfs2_dlm: Node %u leaves domain %s\n", node, dlm->name);
spin_lock(&dlm->spinlock);
clear_bit(node, dlm->domain_map);
@@ -678,6 +679,8 @@ static int dlm_assert_joined_handler(struct o2net_msg *msg, u32 len, void *data)
set_bit(assert->node_idx, dlm->domain_map);
__dlm_set_joining_node(dlm, DLM_LOCK_RES_OWNER_UNKNOWN);
+ printk(KERN_INFO "ocfs2_dlm: Node %u joins domain %s\n",
+ assert->node_idx, dlm->name);
__dlm_print_nodes(dlm);
/* notify anything attached to the heartbeat events */
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 29b2845f370..594745fab0b 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -95,6 +95,9 @@ static void dlm_reco_unlock_ast(void *astdata, enum dlm_status st);
static void dlm_request_all_locks_worker(struct dlm_work_item *item,
void *data);
static void dlm_mig_lockres_worker(struct dlm_work_item *item, void *data);
+static int dlm_lockres_master_requery(struct dlm_ctxt *dlm,
+ struct dlm_lock_resource *res,
+ u8 *real_master);
static u64 dlm_get_next_mig_cookie(void);
@@ -1484,8 +1487,9 @@ leave:
-int dlm_lockres_master_requery(struct dlm_ctxt *dlm,
- struct dlm_lock_resource *res, u8 *real_master)
+static int dlm_lockres_master_requery(struct dlm_ctxt *dlm,
+ struct dlm_lock_resource *res,
+ u8 *real_master)
{
struct dlm_node_iter iter;
int nodenum;
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 4acd37286bd..762eb1fbb34 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2071,8 +2071,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb)
}
/* launch vote thread */
- osb->vote_task = kthread_run(ocfs2_vote_thread, osb, "ocfs2vote-%d",
- osb->osb_id);
+ osb->vote_task = kthread_run(ocfs2_vote_thread, osb, "ocfs2vote");
if (IS_ERR(osb->vote_task)) {
status = PTR_ERR(osb->vote_task);
osb->vote_task = NULL;
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 1a5c69071df..fcd4475d1f8 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -298,7 +298,7 @@ static int ocfs2_extent_map_find_leaf(struct inode *inode,
ret = ocfs2_extent_map_insert(inode, rec,
le16_to_cpu(el->l_tree_depth));
- if (ret) {
+ if (ret && (ret != -EEXIST)) {
mlog_errno(ret);
goto out_free;
}
@@ -427,6 +427,11 @@ static int ocfs2_extent_map_insert_entry(struct ocfs2_extent_map *em,
/*
* Simple rule: on any return code other than -EAGAIN, anything left
* in the insert_context will be freed.
+ *
+ * Simple rule #2: A return code of -EEXIST from this function or
+ * its calls to ocfs2_extent_map_insert_entry() signifies that another
+ * thread beat us to the insert. It is not an actual error, but it
+ * tells the caller we have no more work to do.
*/
static int ocfs2_extent_map_try_insert(struct inode *inode,
struct ocfs2_extent_rec *rec,
@@ -448,22 +453,32 @@ static int ocfs2_extent_map_try_insert(struct inode *inode,
goto out_unlock;
}
+ /* Since insert_entry failed, the map MUST have old_ent */
old_ent = ocfs2_extent_map_lookup(em, le32_to_cpu(rec->e_cpos),
- le32_to_cpu(rec->e_clusters), NULL,
- NULL);
+ le32_to_cpu(rec->e_clusters),
+ NULL, NULL);
BUG_ON(!old_ent);
- ret = -EEXIST;
- if (old_ent->e_tree_depth < tree_depth)
+ if (old_ent->e_tree_depth < tree_depth) {
+ /* Another thread beat us to the lower tree_depth */
+ ret = -EEXIST;
goto out_unlock;
+ }
if (old_ent->e_tree_depth == tree_depth) {
+ /*
+ * Another thread beat us to this tree_depth.
+ * Let's make sure we agree with that thread (the
+ * extent_rec should be identical).
+ */
if (!memcmp(rec, &old_ent->e_rec,
sizeof(struct ocfs2_extent_rec)))
ret = 0;
+ else
+ /* FIXME: Should this be ESRCH/EBADR??? */
+ ret = -EEXIST;
- /* FIXME: Should this be ESRCH/EBADR??? */
goto out_unlock;
}
@@ -599,7 +614,7 @@ static int ocfs2_extent_map_insert(struct inode *inode,
tree_depth, &ctxt);
} while (ret == -EAGAIN);
- if (ret < 0)
+ if ((ret < 0) && (ret != -EEXIST))
mlog_errno(ret);
if (ctxt.left_ent)
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 910a601b2e9..f92bf1dd379 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -784,8 +784,7 @@ int ocfs2_journal_load(struct ocfs2_journal *journal)
}
/* Launch the commit thread */
- osb->commit_task = kthread_run(ocfs2_commit_thread, osb, "ocfs2cmt-%d",
- osb->osb_id);
+ osb->commit_task = kthread_run(ocfs2_commit_thread, osb, "ocfs2cmt");
if (IS_ERR(osb->commit_task)) {
status = PTR_ERR(osb->commit_task);
osb->commit_task = NULL;
@@ -1118,7 +1117,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num)
goto out;
osb->recovery_thread_task = kthread_run(__ocfs2_recovery_thread, osb,
- "ocfs2rec-%d", osb->osb_id);
+ "ocfs2rec");
if (IS_ERR(osb->recovery_thread_task)) {
mlog_errno((int)PTR_ERR(osb->recovery_thread_task));
osb->recovery_thread_task = NULL;
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 843cf9ddefe..83934e33e5b 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -46,12 +46,12 @@ static struct page *ocfs2_nopage(struct vm_area_struct * area,
unsigned long address,
int *type)
{
- struct inode *inode = area->vm_file->f_dentry->d_inode;
struct page *page = NOPAGE_SIGBUS;
sigset_t blocked, oldset;
int ret;
- mlog_entry("(inode %lu, address %lu)\n", inode->i_ino, address);
+ mlog_entry("(area=%p, address=%lu, type=%p)\n", area, address,
+ type);
/* The best way to deal with signals in this path is
* to block them upfront, rather than allowing the
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index da1093039c0..cd4a6f253d1 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -184,7 +184,6 @@ struct ocfs2_journal;
struct ocfs2_journal_handle;
struct ocfs2_super
{
- u32 osb_id; /* id used by the proc interface */
struct task_struct *commit_task;
struct super_block *sb;
struct inode *root_inode;
@@ -222,13 +221,11 @@ struct ocfs2_super
unsigned long s_mount_opt;
u16 max_slots;
- u16 num_nodes;
s16 node_num;
s16 slot_num;
int s_sectsize_bits;
int s_clustersize;
int s_clustersize_bits;
- struct proc_dir_entry *proc_sub_dir; /* points to /proc/fs/ocfs2/<maj_min> */
atomic_t vol_state;
struct mutex recovery_lock;
@@ -294,7 +291,6 @@ struct ocfs2_super
};
#define OCFS2_SB(sb) ((struct ocfs2_super *)(sb)->s_fs_info)
-#define OCFS2_MAX_OSB_ID 65536
static inline int ocfs2_should_order_data(struct inode *inode)
{
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index 871627961d6..aa6f5aadedc 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -264,7 +264,7 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
osb->slot_num = slot;
spin_unlock(&si->si_lock);
- mlog(ML_NOTICE, "taking node slot %d\n", osb->slot_num);
+ mlog(0, "taking node slot %d\n", osb->slot_num);
status = ocfs2_update_disk_slots(osb, si);
if (status < 0)
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index cdf73393f09..382706a67ff 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -68,13 +68,6 @@
#include "buffer_head_io.h"
-/*
- * Globals
- */
-static spinlock_t ocfs2_globals_lock = SPIN_LOCK_UNLOCKED;
-
-static u32 osb_id; /* Keeps track of next available OSB Id */
-
static kmem_cache_t *ocfs2_inode_cachep = NULL;
kmem_cache_t *ocfs2_lock_cache = NULL;
@@ -642,10 +635,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
ocfs2_complete_mount_recovery(osb);
- printk("ocfs2: Mounting device (%u,%u) on (node %d, slot %d) with %s "
- "data mode.\n",
- MAJOR(sb->s_dev), MINOR(sb->s_dev), osb->node_num,
- osb->slot_num,
+ printk(KERN_INFO "ocfs2: Mounting device (%s) on (node %d, slot %d) "
+ "with %s data mode.\n",
+ osb->dev_str, osb->node_num, osb->slot_num,
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
@@ -800,10 +792,6 @@ static int __init ocfs2_init(void)
goto leave;
}
- spin_lock(&ocfs2_globals_lock);
- osb_id = 0;
- spin_unlock(&ocfs2_globals_lock);
-
ocfs2_debugfs_root = debugfs_create_dir("ocfs2", NULL);
if (!ocfs2_debugfs_root) {
status = -EFAULT;
@@ -1020,7 +1008,7 @@ static int ocfs2_fill_local_node_info(struct ocfs2_super *osb)
goto bail;
}
- mlog(ML_NOTICE, "I am node %d\n", osb->node_num);
+ mlog(0, "I am node %d\n", osb->node_num);
status = 0;
bail:
@@ -1191,8 +1179,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
atomic_set(&osb->vol_state, VOLUME_DISMOUNTED);
- printk("ocfs2: Unmounting device (%u,%u) on (node %d)\n",
- MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev), osb->node_num);
+ printk(KERN_INFO "ocfs2: Unmounting device (%s) on (node %d)\n",
+ osb->dev_str, osb->node_num);
ocfs2_delete_osb(osb);
kfree(osb);
@@ -1212,8 +1200,6 @@ static int ocfs2_setup_osb_uuid(struct ocfs2_super *osb, const unsigned char *uu
if (osb->uuid_str == NULL)
return -ENOMEM;
- memcpy(osb->uuid, uuid, OCFS2_VOL_UUID_LEN);
-
for (i = 0, ptr = osb->uuid_str; i < OCFS2_VOL_UUID_LEN; i++) {
/* print with null */
ret = snprintf(ptr, 3, "%02X", uuid[i]);
@@ -1311,13 +1297,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- osb->uuid = kmalloc(OCFS2_VOL_UUID_LEN, GFP_KERNEL);
- if (!osb->uuid) {
- mlog(ML_ERROR, "unable to alloc uuid\n");
- status = -ENOMEM;
- goto bail;
- }
-
di = (struct ocfs2_dinode *)bh->b_data;
osb->max_slots = le16_to_cpu(di->id2.i_super.s_max_slots);
@@ -1327,7 +1306,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
status = -EINVAL;
goto bail;
}
- mlog(ML_NOTICE, "max_slots for this device: %u\n", osb->max_slots);
+ mlog(0, "max_slots for this device: %u\n", osb->max_slots);
init_waitqueue_head(&osb->osb_wipe_event);
osb->osb_orphan_wipes = kcalloc(osb->max_slots,
@@ -1418,7 +1397,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- memcpy(&uuid_net_key, &osb->uuid[i], sizeof(osb->net_key));
+ memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key));
osb->net_key = le32_to_cpu(uuid_net_key);
strncpy(osb->vol_label, di->id2.i_super.s_label, 63);
@@ -1484,18 +1463,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
goto bail;
}
- /* Link this osb onto the global linked list of all osb structures. */
- /* The Global Link List is mainted for the whole driver . */
- spin_lock(&ocfs2_globals_lock);
- osb->osb_id = osb_id;
- if (osb_id < OCFS2_MAX_OSB_ID)
- osb_id++;
- else {
- mlog(ML_ERROR, "Too many volumes mounted\n");
- status = -ENOMEM;
- }
- spin_unlock(&ocfs2_globals_lock);
-
bail:
mlog_exit(status);
return status;
diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c
index 0c8a1294ec9..c0f68aa6c17 100644
--- a/fs/ocfs2/symlink.c
+++ b/fs/ocfs2/symlink.c
@@ -154,7 +154,7 @@ static void *ocfs2_follow_link(struct dentry *dentry,
}
status = vfs_follow_link(nd, link);
- if (status)
+ if (status && status != -ENOENT)
mlog_errno(status);
bail:
if (page) {