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ocfs2: ignore NULL vfsmnt in ocfs2_should_update_atime()

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This can come from NFSD.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh
2006-12-19 15:25:52 -08:00
parent 564f8a3228
commit 6c2aad0567
1 changed files with 11 additions and 0 deletions
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11
fs/ocfs2/file.c
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@@ -149,6 +149,17 @@ int ocfs2_should_update_atime(struct inode *inode,
((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))) ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0; 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) || if ((vfsmnt->mnt_flags & MNT_NOATIME) ||
((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))) ((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0; return 0;