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authorMark Fasheh <mark.fasheh@oracle.com>2006-12-19 15:25:52 -0800
committerMark Fasheh <mark.fasheh@oracle.com>2006-12-28 16:38:32 -0800
commit6c2aad0567e693f9588d0a0683f96ed872fb4641 (patch)
tree4f28fb78c9565c74bc24f93675ec3f0dc6af0217
parent564f8a3228879d6962edb3432d01bcd7499a67ec (diff)
ocfs2: ignore NULL vfsmnt in ocfs2_should_update_atime()
This can come from NFSD. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
-rw-r--r--fs/ocfs2/file.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index a50447d461e..10953a508f2 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -149,6 +149,17 @@ int ocfs2_should_update_atime(struct inode *inode,
((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0;
+ /*
+ * We can be called with no vfsmnt structure - NFSD will
+ * sometimes do this.
+ *
+ * Note that our action here is different than touch_atime() -
+ * if we can't tell whether this is a noatime mount, then we
+ * don't know whether to trust the value of s_atime_quantum.
+ */
+ if (vfsmnt == NULL)
+ return 0;
+
if ((vfsmnt->mnt_flags & MNT_NOATIME) ||
((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0;