xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fsnotify: Move ->free_mark callback to fsnotify_ops

Browse Source 
Pointer to ->free_mark callback unnecessarily occupies one long in each
fsnotify_mark although they are the same for all marks from one
notification group. Move the callback pointer to fsnotify_ops.

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
2016-12-21 18:06:12 +01:00
parent 7b12932340
commit 054c636e5c
12 changed files with 41 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
fs/notify/mark.c
View File

@@ -195,9 +195,12 @@ static struct inode *fsnotify_detach_connector_from_object(
static void fsnotify_final_mark_destroy(struct fsnotify_mark *mark)
{
if (mark->group)
fsnotify_put_group(mark->group);
mark->free_mark(mark);
struct fsnotify_group *group = mark->group;
if (WARN_ON_ONCE(!group))
return;
group->ops->free_mark(mark);
fsnotify_put_group(group);
}
void fsnotify_put_mark(struct fsnotify_mark *mark)
@@ -732,13 +735,11 @@ void fsnotify_destroy_marks(struct fsnotify_mark_connector __rcu **connp)
* Nothing fancy, just initialize lists and locks and counters.
*/
void fsnotify_init_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group,
void (*free_mark)(struct fsnotify_mark *mark))
struct fsnotify_group *group)
{
memset(mark, 0, sizeof(*mark));
spin_lock_init(&mark->lock);
atomic_set(&mark->refcnt, 1);
mark->free_mark = free_mark;
fsnotify_get_group(group);
mark->group = group;
}