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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-06 19:48:59 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-06 19:48:59 -0400
commitfff34b3412b9401a76ba9d021db1bd91cb0e02b6 (patch)
tree870ed2d1555004e7939d15b5099017aae61c97b8 /fs/xfs/xfs_discard.c
parent28e1e58fb668e262648fb8ee8a24154633f40507 (diff)
parent636802ef96eebe279b22ad9f9dacfe29291e45c7 (diff)
Merge branch 'merge' into next
Brings in various bug fixes from 3.6-rcX
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(
179 * used by the fstrim application. In the end it really doesn't 179 * used by the fstrim application. In the end it really doesn't
180 * matter as trimming blocks is an advisory interface. 180 * matter as trimming blocks is an advisory interface.
181 */ 181 */
182 if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) ||
183 range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)))
184 return -XFS_ERROR(EINVAL);
185
182 start = BTOBB(range.start); 186 start = BTOBB(range.start);
183 end = start + BTOBBT(range.len) - 1; 187 end = start + BTOBBT(range.len) - 1;
184 minlen = BTOBB(max_t(u64, granularity, range.minlen)); 188 minlen = BTOBB(max_t(u64, granularity, range.minlen));
185 189
186 if (XFS_BB_TO_FSB(mp, start) >= mp->m_sb.sb_dblocks)
187 return -XFS_ERROR(EINVAL);
188 if (end > XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) - 1) 190 if (end > XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) - 1)
189 end = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)- 1; 191 end = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)- 1;
190 192