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| author | Max Reitz <mreitz@redhat.com> | 2017-06-13 22:20:53 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-07-11 17:45:01 +0200 |
| commit | 7ea37c30660d4cd6aca21a324fabefe23b89f931 (patch) | |
| tree | 897afd4ead51179dfb1473bfa44a92a4de121f1f /block.c | |
| parent | 8243ccb7433e59a3faa3cca27fb6c40d6da2b37c (diff) | |
| download | focaccia-qemu-7ea37c30660d4cd6aca21a324fabefe23b89f931.tar.gz focaccia-qemu-7ea37c30660d4cd6aca21a324fabefe23b89f931.zip | |
block: Add PreallocMode to bdrv_truncate()
For block drivers that just pass a truncate request to the underlying protocol, we can now pass the preallocation mode instead of aborting if it is not PREALLOC_MODE_OFF. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170613202107.10125-3-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block.c b/block.c index 37e7b3d30a..d24ae85868 100644 --- a/block.c +++ b/block.c @@ -3411,7 +3411,8 @@ exit: /** * Truncate file to 'offset' bytes (needed only for file protocols) */ -int bdrv_truncate(BdrvChild *child, int64_t offset, Error **errp) +int bdrv_truncate(BdrvChild *child, int64_t offset, PreallocMode prealloc, + Error **errp) { BlockDriverState *bs = child->bs; BlockDriver *drv = bs->drv; @@ -3434,7 +3435,7 @@ int bdrv_truncate(BdrvChild *child, int64_t offset, Error **errp) assert(!(bs->open_flags & BDRV_O_INACTIVE)); - ret = drv->bdrv_truncate(bs, offset, PREALLOC_MODE_OFF, errp); + ret = drv->bdrv_truncate(bs, offset, prealloc, errp); if (ret == 0) { ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); bdrv_dirty_bitmap_truncate(bs); |