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| author | Anthony Liguori <aliguori@amazon.com> | 2014-01-24 15:43:30 -0800 |
|---|---|---|
| committer | Anthony Liguori <aliguori@amazon.com> | 2014-01-24 15:43:30 -0800 |
| commit | 0d688cf7d8d71bce2aab83173552a784e96b6729 (patch) | |
| tree | 543f7cc92a36e0157cf35e474ee4eb74b8f6156e /block/backup.c | |
| parent | 732c66ce641c69702a7e7fdb73b68f0c1b583ab5 (diff) | |
| parent | d5103588aa39157c8eea3bb5fb6780bbd8be21b7 (diff) | |
| download | qemu-0d688cf7d8d71bce2aab83173552a784e96b6729.zip qemu-0d688cf7d8d71bce2aab83173552a784e96b6729.tar.gz qemu-0d688cf7d8d71bce2aab83173552a784e96b6729.tar.bz2 | |
Merge remote-tracking branch 'kwolf/tags/for-anthony' into staging
Block patches
# gpg: Signature made Fri 24 Jan 2014 08:40:53 AM PST using RSA key ID C88F2FD6
# gpg: Can't check signature: public key not found
* kwolf/tags/for-anthony: (93 commits)
block: Switch bdrv_io_limits_intercept() to byte granularity
qemu-iotests: Test pwritev RMW logic
qemu-io: New command 'sleep'
blkdebug: Make required alignment configurable
iscsi: Set bs->request_alignment
block: Make bdrv_pwrite() a bdrv_prwv_co() wrapper
block: Make bdrv_pread() a bdrv_prwv_co() wrapper
block: Change coroutine wrapper to byte granularity
block: Assert serialisation assumptions in pwritev
block: Align requests in bdrv_co_do_pwritev()
block: Allow wait_serialising_requests() at any point
block: Make overlap range for serialisation dynamic
block: Generalise and optimise COR serialisation
block: Make zero-after-EOF work with larger alignment
block: Allow waiting for overlapping requests between begin/end
block: Switch BdrvTrackedRequest to byte granularity
block: Introduce bdrv_co_do_pwritev()
block: write: Handle COR dependency after I/O throttling
block: Introduce bdrv_aligned_pwritev()
block: Introduce bdrv_co_do_preadv()
...
Message-id: 1390584136-24703-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Diffstat (limited to 'block/backup.c')
| -rw-r--r-- | block/backup.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/backup.c b/block/backup.c index 0198514..15a2e55 100644 --- a/block/backup.c +++ b/block/backup.c @@ -181,8 +181,13 @@ static int coroutine_fn backup_before_write_notify( void *opaque) { BdrvTrackedRequest *req = opaque; + int64_t sector_num = req->offset >> BDRV_SECTOR_BITS; + int nb_sectors = req->bytes >> BDRV_SECTOR_BITS; - return backup_do_cow(req->bs, req->sector_num, req->nb_sectors, NULL); + assert((req->offset & (BDRV_SECTOR_SIZE - 1)) == 0); + assert((req->bytes & (BDRV_SECTOR_SIZE - 1)) == 0); + + return backup_do_cow(req->bs, sector_num, nb_sectors, NULL); } static void backup_set_speed(BlockJob *job, int64_t speed, Error **errp) |