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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 17:17:25 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 17:17:25 -0700
commit6a2a2cdd57d11ee3117539b846a45df6efbd35b1 (patch)
treeb6ab218810666a75d6612bde4d4a224118c0834c /fs/xfs/xfs_discard.c
parent8e360ec82322358056786e651322085af3ef6960 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
downloadblackbird-op-linux-6a2a2cdd57d11ee3117539b846a45df6efbd35b1.tar.gz
blackbird-op-linux-6a2a2cdd57d11ee3117539b846a45df6efbd35b1.zip
Merge 3.6-rc6 into staging-next
This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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;
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