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fsnotify: Move fsnotify_destroy_marks() 

Move fsnotify_destroy_marks() to be later in the fs/notify/mark.c. It
will need some functions that are declared after its current
declaration. No functional change.

Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2017-02-01 09:23:48 +01:00
parent 755b5bc681
commit 0810b4f9f2
1 changed files with 36 additions and 36 deletions
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72
fs/notify/mark.c
View File

@ -224,42 +224,6 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark,
fsnotify_free_mark(mark); fsnotify_free_mark(mark);
} }
void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn,
spinlock_t *lock)
{
struct fsnotify_mark *mark;
if (!conn)
return;
while (1) {
/*
* We have to be careful since we can race with e.g.
* fsnotify_clear_marks_by_group() and once we drop 'lock',
* mark can get removed from the obj_list and destroyed. But
* we are holding mark reference so mark cannot be freed and
* calling fsnotify_destroy_mark() more than once is fine.
*/
spin_lock(lock);
if (hlist_empty(&conn->list)) {
spin_unlock(lock);
break;
}
mark = hlist_entry(conn->list.first, struct fsnotify_mark,
obj_list);
/*
* We don't update i_fsnotify_mask / mnt_fsnotify_mask here
* since inode / mount is going away anyway. So just remove
* mark from the list.
*/
hlist_del_init_rcu(&mark->obj_list);
fsnotify_get_mark(mark);
spin_unlock(lock);
fsnotify_destroy_mark(mark, mark->group);
fsnotify_put_mark(mark);
}
}
void fsnotify_connector_free(struct fsnotify_mark_connector **connp) void fsnotify_connector_free(struct fsnotify_mark_connector **connp)
{ {
if (*connp) { if (*connp) {
@ -580,6 +544,42 @@ void fsnotify_detach_group_marks(struct fsnotify_group *group)
} }
} }
void fsnotify_destroy_marks(struct fsnotify_mark_connector *conn,
spinlock_t *lock)
{
struct fsnotify_mark *mark;
if (!conn)
return;
while (1) {
/*
* We have to be careful since we can race with e.g.
* fsnotify_clear_marks_by_group() and once we drop 'lock',
* mark can get removed from the obj_list and destroyed. But
* we are holding mark reference so mark cannot be freed and
* calling fsnotify_destroy_mark() more than once is fine.
*/
spin_lock(lock);
if (hlist_empty(&conn->list)) {
spin_unlock(lock);
break;
}
mark = hlist_entry(conn->list.first, struct fsnotify_mark,
obj_list);
/*
* We don't update i_fsnotify_mask / mnt_fsnotify_mask here
* since inode / mount is going away anyway. So just remove
* mark from the list.
*/
hlist_del_init_rcu(&mark->obj_list);
fsnotify_get_mark(mark);
spin_unlock(lock);
fsnotify_destroy_mark(mark, mark->group);
fsnotify_put_mark(mark);
}
}
/* /*
* Nothing fancy, just initialize lists and locks and counters. * Nothing fancy, just initialize lists and locks and counters.
*/ */