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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-12 16:51:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-12 16:51:22 +0200
commita791dc135325862fdf491ac088f54993710e2515 (patch)
tree3fe941c0d8b8d315ad4b2235836462e0820f98ae /fs/debugfs
parentd11b1e908e9a1301e43cefc37fc17dd2b1257b77 (diff)
parent80e78fcce86de0288793a0ef0f6acf37656ee4cf (diff)
Merge 6.0-rc5 into driver-core-next
We need the driver core and debugfs changes in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/debugfs')
-rw-r--r--fs/debugfs/inode.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 3dcf0b8b4e93..232cfdf095ae 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -745,6 +745,28 @@ void debugfs_remove(struct dentry *dentry)
EXPORT_SYMBOL_GPL(debugfs_remove);
/**
+ * debugfs_lookup_and_remove - lookup a directory or file and recursively remove it
+ * @name: a pointer to a string containing the name of the item to look up.
+ * @parent: a pointer to the parent dentry of the item.
+ *
+ * This is the equlivant of doing something like
+ * debugfs_remove(debugfs_lookup(..)) but with the proper reference counting
+ * handled for the directory being looked up.
+ */
+void debugfs_lookup_and_remove(const char *name, struct dentry *parent)
+{
+ struct dentry *dentry;
+
+ dentry = debugfs_lookup(name, parent);
+ if (!dentry)
+ return;
+
+ debugfs_remove(dentry);
+ dput(dentry);
+}
+EXPORT_SYMBOL_GPL(debugfs_lookup_and_remove);
+
+/**
* debugfs_rename - rename a file/directory in the debugfs filesystem
* @old_dir: a pointer to the parent dentry for the renamed object. This
* should be a directory dentry.