fs: scale inode alias list

[android-x86/kernel.git] / fs / 9p / vfs_inode.c

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 34bf71b..47dfd5d 100644 (file)
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -271,9 +271,11 @@ static struct dentry *v9fs_dentry_from_dir_inode(struct inode *inode)
        struct dentry *dentry;
 
        spin_lock(&dcache_lock);
+       spin_lock(&dcache_inode_lock);
        /* Directory should have only one entry. */
        BUG_ON(S_ISDIR(inode->i_mode) && !list_is_singular(&inode->i_dentry));
        dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias);
+       spin_unlock(&dcache_inode_lock);
        spin_unlock(&dcache_lock);
        return dentry;
 }