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| author | Eric Blake <eblake@redhat.com> | 2016-07-15 17:22:51 -0600 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2016-07-20 14:11:55 +0100 |
| commit | 0c51a893b643bc9393c685b47b9cea1e6831565f (patch) | |
| tree | 9636a6178fd16b1efadc97009c5b600a5d589303 /block/block-backend.c | |
| parent | 9f1963b3f72521f75a549f8afd61b19e7da63c6f (diff) | |
| download | qemu-0c51a893b643bc9393c685b47b9cea1e6831565f.tar.gz | |
block: Convert bdrv_discard() to byte-based
Another step towards byte-based interfaces everywhere. Replace
the sector-based bdrv_discard() with a new byte-based
bdrv_pdiscard(), which silently ignores any unaligned head
or tail.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468624988-423-3-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index d982cf9d29..83b6407ea6 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1512,7 +1512,8 @@ int blk_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors) return ret; } - return bdrv_discard(blk_bs(blk), sector_num, nb_sectors); + return bdrv_pdiscard(blk_bs(blk), sector_num << BDRV_SECTOR_BITS, + nb_sectors << BDRV_SECTOR_BITS); } int blk_save_vmstate(BlockBackend *blk, const uint8_t *buf, |