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authorPavel Butsykin <pbutsykin@virtuozzo.com>2016-07-22 11:17:48 +0300
committerKevin Wolf <kwolf@redhat.com>2016-09-05 19:06:48 +0200
commit35fadca80e6df2e7a2e57ea162db11f0219c2b2d (patch)
tree1e8d18313534142a040846c247a84e6b90142e8f /block/io.c
parent655923df4be82ac23efc6862d35f569d05824e42 (diff)
block: remove BlockDriver.bdrv_write_compressed
There are no block drivers left that implement the old .bdrv_write_compressed interface, so it can be removed. Also now we have no need to use the bdrv_pwrite_compressed function and we can remove it entirely. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Jeff Cody <jcody@redhat.com> CC: Markus Armbruster <armbru@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: John Snow <jsnow@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/io.c')
-rw-r--r--block/io.c31
1 files changed, 0 insertions, 31 deletions
diff --git a/block/io.c b/block/io.c
index d402076e95..0339911dbb 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1887,37 +1887,6 @@ int bdrv_is_allocated_above(BlockDriverState *top,
return 0;
}
-int bdrv_pwrite_compressed(BdrvChild *child, int64_t offset,
- const void *buf, int bytes)
-{
- BlockDriverState *bs = child->bs;
- BlockDriver *drv = bs->drv;
- QEMUIOVector qiov;
- struct iovec iov;
-
- if (!drv) {
- return -ENOMEDIUM;
- }
- if (drv->bdrv_write_compressed) {
- int ret = bdrv_check_byte_request(bs, offset, bytes);
- if (ret < 0) {
- return ret;
- }
- assert(QLIST_EMPTY(&bs->dirty_bitmaps));
- assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
- assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
- return drv->bdrv_write_compressed(bs, offset >> BDRV_SECTOR_BITS, buf,
- bytes >> BDRV_SECTOR_BITS);
- }
- iov = (struct iovec) {
- .iov_base = (void *)buf,
- .iov_len = bytes,
- };
- qemu_iovec_init_external(&qiov, &iov, 1);
-
- return bdrv_prwv_co(child, offset, &qiov, true, BDRV_REQ_WRITE_COMPRESSED);
-}
-
typedef struct BdrvVmstateCo {
BlockDriverState *bs;
QEMUIOVector *qiov;