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| author | Jens Axboe <axboe@fb.com> | 2014-09-22 11:57:32 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-09-22 11:57:32 -0600 |
| commit | 6d11fb454b161a4565c57be6f1c5527235741003 (patch) | |
| tree | c238ed3df2f654181c2a0746478a33b32214cc60 /fs/xfs/xfs_bmap_util.c | |
| parent | b207892b061da7608878e273ae22ba9bf9be264b (diff) | |
| parent | 8b95741569eabc5eb17da71d1d3668cdb0bef86c (diff) | |
| download | linux-6d11fb454b161a4565c57be6f1c5527235741003.tar.gz linux-6d11fb454b161a4565c57be6f1c5527235741003.tar.bz2 linux-6d11fb454b161a4565c57be6f1c5527235741003.zip | |
Merge branch 'for-linus' into for-3.18/core
Moving patches from for-linus to 3.18 instead, pull in this changes
that will go to Linus today.
Diffstat (limited to 'fs/xfs/xfs_bmap_util.c')
| -rw-r--r-- | fs/xfs/xfs_bmap_util.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 2f1e30d39a35..1707980f9a4b 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1470,6 +1470,26 @@ xfs_collapse_file_space( start_fsb = XFS_B_TO_FSB(mp, offset + len); shift_fsb = XFS_B_TO_FSB(mp, len); + /* + * Writeback the entire file and force remove any post-eof blocks. The + * writeback prevents changes to the extent list via concurrent + * writeback and the eofblocks trim prevents the extent shift algorithm + * from running into a post-eof delalloc extent. + * + * XXX: This is a temporary fix until the extent shift loop below is + * converted to use offsets and lookups within the ILOCK rather than + * carrying around the index into the extent list for the next + * iteration. + */ + error = filemap_write_and_wait(VFS_I(ip)->i_mapping); + if (error) + return error; + if (xfs_can_free_eofblocks(ip, true)) { + error = xfs_free_eofblocks(mp, ip, false); + if (error) + return error; + } + error = xfs_free_file_space(ip, offset, len); if (error) return error; |