3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Miklos Szeredi <mszeredi@xxxxxxx>
commit 2914941e3178d84a216fc4eb85292dfef3b6d628 upstream.
Fuse does instantiation slightly differently from NFS/CIFS which use
d_materialise_unique().
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/fuse/dir.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1264,10 +1264,19 @@ static int fuse_direntplus_link(struct f
if (!inode)
goto out;
- alias = d_materialise_unique(dentry, inode);
- err = PTR_ERR(alias);
- if (IS_ERR(alias))
- goto out;
+ if (S_ISDIR(inode->i_mode)) {
+ mutex_lock(&fc->inst_mutex);
+ alias = fuse_d_add_directory(dentry, inode);
+ mutex_unlock(&fc->inst_mutex);
+ err = PTR_ERR(alias);
+ if (IS_ERR(alias)) {
+ iput(inode);
+ goto out;
+ }
+ } else {
+ alias = d_splice_alias(inode, dentry);
+ }
+
if (alias) {
dput(dentry);
dentry = alias;
--
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