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fsnotify: Move ->free_mark callback to fsnotify_ops

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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
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9
fs/notify/fanotify/fanotify_user.c
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@@ -41,7 +41,7 @@
extern const struct fsnotify_ops fanotify_fsnotify_ops;
static struct kmem_cache *fanotify_mark_cache __read_mostly;
struct kmem_cache *fanotify_mark_cache __read_mostly;
struct kmem_cache *fanotify_event_cachep __read_mostly;
struct kmem_cache *fanotify_perm_event_cachep __read_mostly;
@@ -445,11 +445,6 @@ static const struct file_operations fanotify_fops = {
.llseek = noop_llseek,
};
static void fanotify_free_mark(struct fsnotify_mark *fsn_mark)
{
kmem_cache_free(fanotify_mark_cache, fsn_mark);
}
static int fanotify_find_path(int dfd, const char __user *filename,
struct path *path, unsigned int flags)
{
@@ -628,7 +623,7 @@ static struct fsnotify_mark *fanotify_add_new_mark(struct fsnotify_group *group,
if (!mark)
return ERR_PTR(-ENOMEM);
fsnotify_init_mark(mark, group, fanotify_free_mark);
fsnotify_init_mark(mark, group);
ret = fsnotify_add_mark_locked(mark, inode, mnt, 0);
if (ret) {
fsnotify_put_mark(mark);