diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_export.c | 23 |
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 595751f7835..87b8cbd23d4 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); |