block: Add errp to b{lk,drv}_truncate()

For one thing, this allows us to drop the error message generation from
qemu-img.c and blockdev.c and instead have it unified in
bdrv_truncate().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170328205129.15138-3-mreitz@redhat.com
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2017-03-28 22:51:27 +02:00
parent 55b9392b98
commit ed3d2ec98a
22 changed files with 73 additions and 90 deletions

View file

@ -225,7 +225,7 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int count, BdrvRequestFlags flags);
int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf,
int count);
int blk_truncate(BlockBackend *blk, int64_t offset);
int blk_truncate(BlockBackend *blk, int64_t offset, Error **errp);
int blk_pdiscard(BlockBackend *blk, int64_t offset, int count);
int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf,
int64_t pos, int size);