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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-12 10:14:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-12 10:14:13 -0800 |
| commit | 48a2f0b2728c88b18829e191eafdde60290aa64f (patch) | |
| tree | 7d8095fbb0afde5a695891b7b141533dd111c780 /fs/xfs/xfs_discard.c | |
| parent | 5cdec2d833748fbd27d3682f7209225c504c79c5 (diff) | |
| parent | f94c44573e7c22860e2c3dfe349c45f72ba35ad3 (diff) | |
Merge tag 'xfs-for-linus-v3.13-rc4' of git://oss.sgi.com/xfs/xfs
Pull xfs bugfixes from Ben Myers:
- fix for buffer overrun in agfl with growfs on v4 superblock
- return EINVAL if requested discard length is less than a block
- fix possible memory corruption in xfs_attrlist_by_handle()
* tag 'xfs-for-linus-v3.13-rc4' of git://oss.sgi.com/xfs/xfs:
xfs: growfs overruns AGFL buffer on V4 filesystems
xfs: don't perform discard if the given range length is less than block size
xfs: underflow bug in xfs_attrlist_by_handle()
Diffstat (limited to 'fs/xfs/xfs_discard.c')
| -rw-r--r-- | fs/xfs/xfs_discard.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c index 8367d6dc18c9..4f11ef011139 100644 --- a/fs/xfs/xfs_discard.c +++ b/fs/xfs/xfs_discard.c @@ -157,7 +157,7 @@ xfs_ioc_trim( struct xfs_mount *mp, struct fstrim_range __user *urange) { - struct request_queue *q = mp->m_ddev_targp->bt_bdev->bd_disk->queue; + struct request_queue *q = bdev_get_queue(mp->m_ddev_targp->bt_bdev); unsigned int granularity = q->limits.discard_granularity; struct fstrim_range range; xfs_daddr_t start, end, minlen; @@ -180,7 +180,8 @@ xfs_ioc_trim( * 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))) + range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)) || + range.len < mp->m_sb.sb_blocksize) return -XFS_ERROR(EINVAL); start = BTOBB(range.start); |