ocfs2: move nlink check in ocfs2_mknod()
The dir nlink check in ocfs2_mknod() was being done outside of the cluster
lock, which means we could have been checking against a stale version of the
inode. Fix this by doing the check after the cluster lock instead.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 0673862..d8161a7 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -310,13 +310,6 @@
/* get our super block */
osb = OCFS2_SB(dir->i_sb);
- if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) {
- mlog(ML_ERROR, "inode %llu has i_nlink of %u\n",
- (unsigned long long)OCFS2_I(dir)->ip_blkno, dir->i_nlink);
- status = -EMLINK;
- goto leave;
- }
-
handle = ocfs2_alloc_handle(osb);
if (handle == NULL) {
status = -ENOMEM;
@@ -331,6 +324,11 @@
goto leave;
}
+ if (S_ISDIR(mode) && (dir->i_nlink >= OCFS2_LINK_MAX)) {
+ status = -EMLINK;
+ goto leave;
+ }
+
dirfe = (struct ocfs2_dinode *) parent_fe_bh->b_data;
if (!dirfe->i_links_count) {
/* can't make a file in a deleted directory. */