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author | Mark Brown <broonie@kernel.org> | 2014-10-20 20:55:07 +0400 |
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committer | Mark Brown <broonie@kernel.org> | 2014-10-20 21:27:32 +0400 |
commit | b7a40242c82cd73cfcea305f23e67d068dd8401a (patch) | |
tree | 251b49d19cd7c371847ae1f951e1b537ca0e1c15 /fs/xfs/xfs_bmap_util.c | |
parent | d26833bfce5e56017bea9f1f50838f20e18e7b7e (diff) | |
parent | 9c6de47d53a3ce8df1642ae67823688eb98a190a (diff) | |
download | linux-b7a40242c82cd73cfcea305f23e67d068dd8401a.tar.xz |
Merge branch 'fix/dw' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-dw
Conflicts:
drivers/spi/spi-dw-mid.c
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; |