Instead of passing spinlock into fsnotify_destroy_marks() determine it
directly in that function from the connector type. This will reduce code
churn when changing lock protecting list of marks.
Reviewed-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/notify/fsnotify.h | 10 ++++------
fs/notify/mark.c | 9 +++++++--
2 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index 96051780d50e..225924274f8a 100644
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -26,19 +26,17 @@ extern struct inode *fsnotify_destroy_inode_mark(struct fsnotify_mark *mark);
extern struct fsnotify_mark *fsnotify_find_mark(
struct fsnotify_mark_connector *conn,
struct fsnotify_group *group);
-/* Destroy all marks connected via given connector protected by 'lock' */
-extern void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn,
- spinlock_t *lock);
+/* Destroy all marks connected via given connector */
+extern void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn);
/* run the list of all marks associated with inode and destroy them */
static inline void fsnotify_clear_marks_by_inode(struct inode *inode)
{
- fsnotify_destroy_marks(inode->i_fsnotify_marks, &inode->i_lock);
+ fsnotify_destroy_marks(inode->i_fsnotify_marks);
}
/* run the list of all marks associated with vfsmount and destroy them */
static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
{
- fsnotify_destroy_marks(real_mount(mnt)->mnt_fsnotify_marks,
- &mnt->mnt_root->d_lock);
+ fsnotify_destroy_marks(real_mount(mnt)->mnt_fsnotify_marks);
}
/* prepare for freeing all marks associated with given group */
extern void fsnotify_detach_group_marks(struct fsnotify_group *group);
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index 0830e0af997a..f32ca924c44e 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -572,14 +572,19 @@ void fsnotify_detach_group_marks(struct fsnotify_group *group)
}
}
-void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn,
- spinlock_t *lock)
+void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn)
{
struct fsnotify_mark *mark;
+ spinlock_t *lock;
if (!conn)
return;
+ if (conn->flags & FSNOTIFY_OBJ_TYPE_INODE)
+ lock = &conn->inode->i_lock;
+ else
+ lock = &conn->mnt->mnt_root->d_lock;
+
while (1) {
/*
* We have to be careful since we can race with e.g.
--
2.10.2
