fsnotify: Remove fsnotify_find_{inode|vfsmount}_mark()

These are very thin wrappers, just remove them. Drop
fs/notify/vfsmount_mark.c as it is empty now.

Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

7 files changed, 11 insertions, 65 deletions

diff --git a/fs/notify/Makefile b/fs/notify/Makefile
index 96d3420..ebb64a0 100644
--- a/fs/notify/Makefile
+++ b/fs/notify/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_FSNOTIFY)		+= fsnotify.o notification.o group.o inode_mark.o \
-				   mark.o vfsmount_mark.o fdinfo.o
+				   mark.o fdinfo.o
 
 obj-y			+= dnotify/
 obj-y			+= inotify/
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 5940c75..b77d8d0 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -157,7 +157,7 @@ void dnotify_flush(struct file *filp, fl_owner_t id)
 	if (!S_ISDIR(inode->i_mode))
 		return;
 
-	fsn_mark = fsnotify_find_inode_mark(dnotify_group, inode);
+	fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, dnotify_group);
 	if (!fsn_mark)
 		return;
 	dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark);
@@ -313,7 +313,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
 	mutex_lock(&dnotify_group->mark_mutex);
 
 	/* add the new_fsn_mark or find an old one. */
-	fsn_mark = fsnotify_find_inode_mark(dnotify_group, inode);
+	fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, dnotify_group);
 	if (fsn_mark) {
 		dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark);
 		spin_lock(&fsn_mark->lock);
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 24fa3f2..5a82bbb 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -533,7 +533,8 @@ static int fanotify_remove_vfsmount_mark(struct fsnotify_group *group,
 	int destroy_mark;
 
 	mutex_lock(&group->mark_mutex);
-	fsn_mark = fsnotify_find_vfsmount_mark(group, mnt);
+	fsn_mark = fsnotify_find_mark(&real_mount(mnt)->mnt_fsnotify_marks,
+				      group);
 	if (!fsn_mark) {
 		mutex_unlock(&group->mark_mutex);
 		return -ENOENT;
@@ -562,7 +563,7 @@ static int fanotify_remove_inode_mark(struct fsnotify_group *group,
 	int destroy_mark;
 
 	mutex_lock(&group->mark_mutex);
-	fsn_mark = fsnotify_find_inode_mark(group, inode);
+	fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, group);
 	if (!fsn_mark) {
 		mutex_unlock(&group->mark_mutex);
 		return -ENOENT;
@@ -578,7 +579,7 @@ static int fanotify_remove_inode_mark(struct fsnotify_group *group,
 	if (destroy_mark)
 		fsnotify_free_mark(fsn_mark);
 
-	/* matches the fsnotify_find_inode_mark() */
+	/* matches the fsnotify_find_mark() */
 	fsnotify_put_mark(fsn_mark);
 
 	return 0;
@@ -646,7 +647,8 @@ static int fanotify_add_vfsmount_mark(struct fsnotify_group *group,
 	__u32 added;
 
 	mutex_lock(&group->mark_mutex);
-	fsn_mark = fsnotify_find_vfsmount_mark(group, mnt);
+	fsn_mark = fsnotify_find_mark(&real_mount(mnt)->mnt_fsnotify_marks,
+				      group);
 	if (!fsn_mark) {
 		fsn_mark = fanotify_add_new_mark(group, NULL, mnt);
 		if (IS_ERR(fsn_mark)) {
@@ -683,7 +685,7 @@ static int fanotify_add_inode_mark(struct fsnotify_group *group,
 		return 0;
 
 	mutex_lock(&group->mark_mutex);
-	fsn_mark = fsnotify_find_inode_mark(group, inode);
+	fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, group);
 	if (!fsn_mark) {
 		fsn_mark = fanotify_add_new_mark(group, inode, NULL);
 		if (IS_ERR(fsn_mark)) {
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index 3ec593c..bf012e8 100644
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -24,10 +24,6 @@ extern struct srcu_struct fsnotify_mark_srcu;
 extern int fsnotify_compare_groups(struct fsnotify_group *a,
 				   struct fsnotify_group *b);
 
-/* Find mark belonging to given group in the list of marks */
-extern struct fsnotify_mark *fsnotify_find_mark(
-				struct fsnotify_mark_connector __rcu **connp,
-				struct fsnotify_group *group);
 /* Destroy all marks connected via given connector */
 extern void fsnotify_destroy_marks(struct fsnotify_mark_connector __rcu **connp);
 /* run the list of all marks associated with inode and destroy them */
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index bdc15f7..5cc317b 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -30,16 +30,6 @@
 
 #include "../internal.h"
 
-/*
- * given a group and inode, find the mark associated with that combination.
- * if found take a reference to that mark and return it, else return NULL
- */
-struct fsnotify_mark *fsnotify_find_inode_mark(struct fsnotify_group *group,
-					       struct inode *inode)
-{
-	return fsnotify_find_mark(&inode->i_fsnotify_marks, group);
-}
-
 /**
  * fsnotify_unmount_inodes - an sb is unmounting.  handle any watched inodes.
  * @sb: superblock being unmounted.
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index b3b2a46..a5e4411 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -506,7 +506,7 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
 
 	mask = inotify_arg_to_mask(arg);
 
-	fsn_mark = fsnotify_find_inode_mark(group, inode);
+	fsn_mark = fsnotify_find_mark(&inode->i_fsnotify_marks, group);
 	if (!fsn_mark)
 		return -ENOENT;
 
diff --git a/fs/notify/vfsmount_mark.c b/fs/notify/vfsmount_mark.c
deleted file mode 100644
index 1e692c5..0000000
--- a/fs/notify/vfsmount_mark.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- *  Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2, or (at your option)
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/mount.h>
-#include <linux/mutex.h>
-#include <linux/spinlock.h>
-
-#include <linux/atomic.h>
-
-#include <linux/fsnotify_backend.h>
-#include "fsnotify.h"
-
-/*
- * given a group and vfsmount, find the mark associated with that combination.
- * if found take a reference to that mark and return it, else return NULL
- */
-struct fsnotify_mark *fsnotify_find_vfsmount_mark(struct fsnotify_group *group,
-						  struct vfsmount *mnt)
-{
-	struct mount *m = real_mount(mnt);
-
-	return fsnotify_find_mark(&m->mnt_fsnotify_marks, group);
-}