xfs_free_file_space() only affects the range of the file for which space is being freed. It currently writes and truncates the page cache from the start offset of the free to EOF. Modify xfs_free_file_space() to write back and truncate page cache of just the range being freed. Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx> Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> --- fs/xfs/xfs_bmap_util.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index eae763f..809ae7d 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1205,6 +1205,7 @@ xfs_free_file_space( xfs_bmap_free_t free_list; xfs_bmbt_irec_t imap; xfs_off_t ioffset; + xfs_off_t iendoffset; xfs_extlen_t mod=0; xfs_mount_t *mp; int nimap; @@ -1233,12 +1234,13 @@ xfs_free_file_space( inode_dio_wait(VFS_I(ip)); rounding = max_t(xfs_off_t, 1 << mp->m_sb.sb_blocklog, PAGE_CACHE_SIZE); - ioffset = offset & ~(rounding - 1); - error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, - ioffset, -1); + ioffset = round_down(offset, rounding); + iendoffset = round_up(offset + len, rounding) - 1; + error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping, ioffset, + iendoffset); if (error) goto out; - truncate_pagecache_range(VFS_I(ip), ioffset, -1); + truncate_pagecache_range(VFS_I(ip), ioffset, iendoffset); /* * Need to zero the stuff we're not freeing, on disk. -- 1.8.3.1 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
