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authorIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
commitaf2519fb2298cdf7540082c36f4d8c66bbff103f (patch)
tree1d290d28d42d42f9e693457762c4008988628060 /fs/xfs/linux-2.6/xfs_export.c
parent961d7d0ee5150e0197cc81c2a8884ecb230276e2 (diff)
parent7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff)
downloadlinux-stable-af2519fb2298cdf7540082c36f4d8c66bbff103f.tar.gz
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Merge branch 'linus' into core/iommu
Conflicts: arch/ia64/include/asm/dma-mapping.h arch/ia64/include/asm/machvec.h arch/ia64/include/asm/machvec_sn2.h
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_export.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_export.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 595751f78350..87b8cbd23d4b 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -126,11 +126,26 @@ xfs_nfs_get_inode(
if (ino == 0)
return ERR_PTR(-ESTALE);
- error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
- if (error)
+ /*
+ * The XFS_IGET_BULKSTAT means that an invalid inode number is just
+ * fine and not an indication of a corrupted filesystem. Because
+ * clients can send any kind of invalid file handle, e.g. after
+ * a restore on the server we have to deal with this case gracefully.
+ */
+ error = xfs_iget(mp, NULL, ino, XFS_IGET_BULKSTAT,
+ XFS_ILOCK_SHARED, &ip, 0);
+ if (error) {
+ /*
+ * EINVAL means the inode cluster doesn't exist anymore.
+ * This implies the filehandle is stale, so we should
+ * translate it here.
+ * We don't use ESTALE directly down the chain to not
+ * confuse applications using bulkstat that expect EINVAL.
+ */
+ if (error == EINVAL)
+ error = ESTALE;
return ERR_PTR(-error);
- if (!ip)
- return ERR_PTR(-EIO);
+ }
if (ip->i_d.di_gen != generation) {
xfs_iput_new(ip, XFS_ILOCK_SHARED);