Commit a03e2e4f authored by Jan Kara's avatar Jan Kara

fsnotify: Determine lock in fsnotify_destroy_marks()

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: default avatarMiklos Szeredi <>
Reviewed-by: Amir Goldstein's avatarAmir Goldstein <>
Signed-off-by: default avatarJan Kara <>
parent f06fd987
......@@ -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);
/* run the list of all marks associated with vfsmount and destroy them */
static inline void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
/* prepare for freeing all marks associated with given group */
extern void fsnotify_detach_group_marks(struct fsnotify_group *group);
......@@ -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)
if (conn->flags & FSNOTIFY_OBJ_TYPE_INODE)
lock = &conn->inode->i_lock;
lock = &conn->mnt->mnt_root->d_lock;
while (1) {
* We have to be careful since we can race with e.g.
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