From: "J. Bruce Fields" <bfields@xxxxxxxxxx>
Any IS_ROOT() alias should be safe to use; there's nothing special about
DCACHE_DISCONNECTED dentries.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
fs/dcache.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 4550227..e3e4618 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2668,9 +2668,9 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
* @inode: the inode which may have a disconnected dentry
* @dentry: a negative dentry which we want to point to the inode.
*
- * If inode is a directory and has a 'disconnected' dentry (i.e. IS_ROOT and
- * DCACHE_DISCONNECTED), then d_move that in place of the given dentry
- * and return it, else simply d_add the inode to the dentry and return NULL.
+ * If inode is a directory and has an IS_ROOT alias, then d_move that in
+ * place of the given dentry and return it, else simply d_add the inode
+ * to the dentry and return NULL.
*
* If a non-IS_ROOT directory is found, the filesystem is corrupt, and
* we should error out: directories can't have multiple aliases.
@@ -2697,7 +2697,7 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
spin_lock(&inode->i_lock);
new = __d_find_any_alias(inode);
if (new) {
- if (!IS_ROOT(new) || !(new->d_flags & DCACHE_DISCONNECTED)) {
+ if (!IS_ROOT(new)) {
spin_unlock(&inode->i_lock);
dput(new);
return ERR_PTR(-EIO);
--
1.8.5.3
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