diff options
| author | James Morris <james.l.morris@oracle.com> | 2012-09-28 13:37:32 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2012-09-28 13:37:32 +1000 |
| commit | bf5308344527d015ac9a6d2bda4ad4d40fd7d943 (patch) | |
| tree | 566e61e2cfc648c374d15cfc8c661b73e1a471f8 /fs/xfs/xfs_discard.c | |
| parent | 3585e96cd1049682b8a19a0b699422156e9d735b (diff) | |
| parent | 979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff) | |
Merge tag 'v3.6-rc7' into next
Linux 3.6-rc7
Requested by David Howells so he can merge his key susbsystem work into
my tree with requisite -linus changesets.
Diffstat (limited to 'fs/xfs/xfs_discard.c')
| -rw-r--r-- | fs/xfs/xfs_discard.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index f9c3fe304a1..69cf4fcde03 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; |