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xfs: reverse the check on XFS_IOC_ZERO_RANGE 

Reversing the check on XFS_IOC_ZERO_RANGE.

Range should be zeroed if the start is less than or equal to the end.

Signed-off-by: Andrew Dahl <adahl@sgi.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Andrew Dahl 2012-11-14 12:52:26 -06:00 committed by Ben Myers
parent f5b8911b67
commit d6638ae244
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_vnodeops.c
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@ -2188,7 +2188,7 @@ xfs_change_file_space(
case XFS_IOC_ZERO_RANGE:
prealloc_type |= XFS_BMAPI_CONVERT;
end = round_down(startoffset + bf->l_len, PAGE_SIZE) - 1;
if (startoffset > end)
if (startoffset <= end)
truncate_pagecache_range(VFS_I(ip), startoffset, end);
/* FALLTHRU */
case XFS_IOC_RESVSP: