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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-02 18:47:21 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-02 18:47:21 +0200
commit4157fd85fc794bb7896b65c0cf686aa89d711d57 (patch)
tree4ba3ebbea7bcaaa6d7a4ad1c5501c3c4a8d08745
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 (diff)
parentxfs: prevent deadlock in xfs_qm_shake() (diff)
downloadlinux-4157fd85fc794bb7896b65c0cf686aa89d711d57.tar.xz
linux-4157fd85fc794bb7896b65c0cf686aa89d711d57.zip
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: prevent deadlock in xfs_qm_shake() xfs: fix overflow in xfs_growfs_data_private xfs: fix double unlock in xfs_swap_extents()
-rw-r--r--fs/xfs/linux-2.6/kmem.h2
-rw-r--r--fs/xfs/xfs_dfrag.c8
-rw-r--r--fs/xfs/xfs_fsops.c2
3 files changed, 7 insertions, 5 deletions
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index af6843c7ee4b..179cbd630f69 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -103,7 +103,7 @@ extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
static inline int
kmem_shake_allow(gfp_t gfp_mask)
{
- return (gfp_mask & __GFP_WAIT) != 0;
+ return ((gfp_mask & __GFP_WAIT) && (gfp_mask & __GFP_FS));
}
#endif /* __XFS_SUPPORT_KMEM_H__ */
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index e6d839bddbf0..7465f9ee125f 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -347,13 +347,15 @@ xfs_swap_extents(
error = xfs_trans_commit(tp, XFS_TRANS_SWAPEXT);
-out_unlock:
- xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
- xfs_iunlock(tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
out:
kmem_free(tempifp);
return error;
+out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
+ xfs_iunlock(tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);
+ goto out;
+
out_trans_cancel:
xfs_trans_cancel(tp, 0);
goto out_unlock;
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 8379e3bca26c..cbd451bb4848 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -160,7 +160,7 @@ xfs_growfs_data_private(
nagcount = new + (nb_mod != 0);
if (nb_mod && nb_mod < XFS_MIN_AG_BLOCKS) {
nagcount--;
- nb = nagcount * mp->m_sb.sb_agblocks;
+ nb = (xfs_rfsblock_t)nagcount * mp->m_sb.sb_agblocks;
if (nb < mp->m_sb.sb_dblocks)
return XFS_ERROR(EINVAL);
}