diff options
author | Christoph Hellwig <hch@lst.de> | 2017-11-03 18:34:44 +0100 |
---|---|---|
committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-11-06 20:53:40 +0100 |
commit | b121459c7a56d2fb5a8ca6727bf9f87982738b01 (patch) | |
tree | 533094a7a0f1f16f6b41dbfe915eb4849ff714ad /fs/xfs/libxfs/xfs_bmap.c | |
parent | xfs: iterate backwards in xfs_reflink_cancel_cow_blocks (diff) | |
download | linux-b121459c7a56d2fb5a8ca6727bf9f87982738b01.tar.xz linux-b121459c7a56d2fb5a8ca6727bf9f87982738b01.zip |
xfs: simplify xfs_reflink_convert_cow
Instead of looking up extents to convert and calling xfs_bmapi_write on
each of them just let xfs_bmapi_write handle the full range. To make
this robust add a new XFS_BMAPI_CONVERT_ONLY that only converts ranges
and never allocates blocks.
[darrick: shorten the stringified CONVERT_ONLY trace flag]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index e48fc5c6fcdf..af3d18eccac3 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -4331,7 +4331,8 @@ xfs_bmapi_write( * First, deal with the hole before the allocated space * that we found, if any. */ - if (need_alloc || wasdelay) { + if ((need_alloc || wasdelay) && + !(flags & XFS_BMAPI_CONVERT_ONLY)) { bma.eof = eof; bma.conv = !!(flags & XFS_BMAPI_CONVERT); bma.wasdel = wasdelay; |