diff options
author | Kevin Wolf <kwolf@redhat.com> | 2015-03-19 13:33:31 +0100 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2015-04-28 15:36:08 +0200 |
commit | 0df89e8e6f62aea32a7302e73a86b7bfe5821018 (patch) | |
tree | c3b1ec0f9d74ccad5b0f51e4f07ce59c49102d1d /block | |
parent | a0710f7995f914e3044e5899bd8ff6c43c62f916 (diff) |
block-backend: Expose bdrv_write_zeroes()
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block')
-rw-r--r-- | block/block-backend.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 48b6e4c05c..93e46f376a 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -515,6 +515,17 @@ int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, return bdrv_write(blk->bs, sector_num, buf, nb_sectors); } +int blk_write_zeroes(BlockBackend *blk, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags) +{ + int ret = blk_check_request(blk, sector_num, nb_sectors); + if (ret < 0) { + return ret; + } + + return bdrv_write_zeroes(blk->bs, sector_num, nb_sectors, flags); +} + static void error_callback_bh(void *opaque) { struct BlockBackendAIOCB *acb = opaque; |