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Diffstat (limited to 'fs/kernfs')
-rw-r--r--fs/kernfs/dir.c86
1 files changed, 43 insertions, 43 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 7e0e62deab53..33166ec90a11 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -548,49 +548,6 @@ void kernfs_put(struct kernfs_node *kn)
}
EXPORT_SYMBOL_GPL(kernfs_put);
-static int kernfs_dop_revalidate(struct dentry *dentry, unsigned int flags)
-{
- struct kernfs_node *kn;
-
- if (flags & LOOKUP_RCU)
- return -ECHILD;
-
- /* Always perform fresh lookup for negatives */
- if (d_really_is_negative(dentry))
- goto out_bad_unlocked;
-
- kn = kernfs_dentry_node(dentry);
- mutex_lock(&kernfs_mutex);
-
- /* The kernfs node has been deactivated */
- if (!kernfs_active(kn))
- goto out_bad;
-
- /* The kernfs node has been moved? */
- if (kernfs_dentry_node(dentry->d_parent) != kn->parent)
- goto out_bad;
-
- /* The kernfs node has been renamed */
- if (strcmp(dentry->d_name.name, kn->name) != 0)
- goto out_bad;
-
- /* The kernfs node has been moved to a different namespace */
- if (kn->parent && kernfs_ns_enabled(kn->parent) &&
- kernfs_info(dentry->d_sb)->ns != kn->ns)
- goto out_bad;
-
- mutex_unlock(&kernfs_mutex);
- return 1;
-out_bad:
- mutex_unlock(&kernfs_mutex);
-out_bad_unlocked:
- return 0;
-}
-
-const struct dentry_operations kernfs_dops = {
- .d_revalidate = kernfs_dop_revalidate,
-};
-
/**
* kernfs_node_from_dentry - determine kernfs_node associated with a dentry
* @dentry: the dentry in question
@@ -1073,6 +1030,49 @@ struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,
return ERR_PTR(rc);
}
+static int kernfs_dop_revalidate(struct dentry *dentry, unsigned int flags)
+{
+ struct kernfs_node *kn;
+
+ if (flags & LOOKUP_RCU)
+ return -ECHILD;
+
+ /* Always perform fresh lookup for negatives */
+ if (d_really_is_negative(dentry))
+ goto out_bad_unlocked;
+
+ kn = kernfs_dentry_node(dentry);
+ mutex_lock(&kernfs_mutex);
+
+ /* The kernfs node has been deactivated */
+ if (!kernfs_active(kn))
+ goto out_bad;
+
+ /* The kernfs node has been moved? */
+ if (kernfs_dentry_node(dentry->d_parent) != kn->parent)
+ goto out_bad;
+
+ /* The kernfs node has been renamed */
+ if (strcmp(dentry->d_name.name, kn->name) != 0)
+ goto out_bad;
+
+ /* The kernfs node has been moved to a different namespace */
+ if (kn->parent && kernfs_ns_enabled(kn->parent) &&
+ kernfs_info(dentry->d_sb)->ns != kn->ns)
+ goto out_bad;
+
+ mutex_unlock(&kernfs_mutex);
+ return 1;
+out_bad:
+ mutex_unlock(&kernfs_mutex);
+out_bad_unlocked:
+ return 0;
+}
+
+const struct dentry_operations kernfs_dops = {
+ .d_revalidate = kernfs_dop_revalidate,
+};
+
static struct dentry *kernfs_iop_lookup(struct inode *dir,
struct dentry *dentry,
unsigned int flags)