summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_discard.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2012-09-13 09:34:11 +0400
committerOlof Johansson <olof@lixom.net>2012-09-13 09:34:11 +0400
commit025c95a6826ad8acfe871f33c2fa9208beeb38df (patch)
tree220fe156ff60db13bd3a1319f5e20d6b723de5f4 /fs/xfs/xfs_discard.c
parent0558d7a8ed44e6e53aadb04d2e23145efb2aa8a4 (diff)
parent7f744b17140af1a9c8804a1c81c9dae6bb52a7fb (diff)
downloadlinux-025c95a6826ad8acfe871f33c2fa9208beeb38df.tar.xz
Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux: ARM: mmp: remove unused definition in APBC and APMU ARM: mmp: move mmp2 clock definition to separated file arm: mmp: move pxa910 clock definition to separated file arm: mmp: move pxa168 clock definition to separated file arm: mmp: make private clock definition exclude from common clock + Linux 3.6-rc4
Diffstat (limited to 'fs/xfs/xfs_discard.c')
-rw-r--r--fs/xfs/xfs_discard.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index f9c3fe304a17..69cf4fcde03e 100644
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -179,12 +179,14 @@ xfs_ioc_trim(
* used by the fstrim application. In the end it really doesn't
* matter as trimming blocks is an advisory interface.
*/
+ if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) ||
+ range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)))
+ return -XFS_ERROR(EINVAL);
+
start = BTOBB(range.start);
end = start + BTOBBT(range.len) - 1;
minlen = BTOBB(max_t(u64, granularity, range.minlen));
- if (XFS_BB_TO_FSB(mp, start) >= mp->m_sb.sb_dblocks)
- return -XFS_ERROR(EINVAL);
if (end > XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) - 1)
end = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)- 1;