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| author | Max Reitz <mreitz@redhat.com> | 2019-11-28 16:12:36 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2020-09-07 12:31:31 +0200 |
| commit | 4935e8be22745ff2b23bc87a5015176d991ce233 (patch) | |
| tree | ff70e33191668fc24bdebdc9791f07fa606d1f1e /block/copy-on-read.c | |
| parent | e7e754aec3aca3a509d8826cc9a6e6136e9aca65 (diff) | |
| download | qemu-4935e8be22745ff2b23bc87a5015176d991ce233.zip | |
copy-on-read: Support compressed writes
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/copy-on-read.c')
| -rw-r--r-- | block/copy-on-read.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/block/copy-on-read.c b/block/copy-on-read.c index a6e3c74a68..a6a864f147 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -107,6 +107,16 @@ static int coroutine_fn cor_co_pdiscard(BlockDriverState *bs, } +static int coroutine_fn cor_co_pwritev_compressed(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov) +{ + return bdrv_co_pwritev(bs->file, offset, bytes, qiov, + BDRV_REQ_WRITE_COMPRESSED); +} + + static void cor_eject(BlockDriverState *bs, bool eject_flag) { bdrv_eject(bs->file->bs, eject_flag); @@ -131,6 +141,7 @@ static BlockDriver bdrv_copy_on_read = { .bdrv_co_pwritev = cor_co_pwritev, .bdrv_co_pwrite_zeroes = cor_co_pwrite_zeroes, .bdrv_co_pdiscard = cor_co_pdiscard, + .bdrv_co_pwritev_compressed = cor_co_pwritev_compressed, .bdrv_eject = cor_eject, .bdrv_lock_medium = cor_lock_medium, |