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

6
include/linux/fsnotify_backend.h
View File

@@ -104,6 +104,8 @@ struct fsnotify_ops {
void (*free_group_priv)(struct fsnotify_group *group);
void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
void (*free_event)(struct fsnotify_event *event);
/* called on final put+free to free memory */
void (*free_mark)(struct fsnotify_mark *mark);
};
/*
@@ -261,7 +263,6 @@ struct fsnotify_mark {
#define FSNOTIFY_MARK_FLAG_ALIVE 0x02
#define FSNOTIFY_MARK_FLAG_ATTACHED 0x04
unsigned int flags; /* flags [mark->lock] */
void (*free_mark)(struct fsnotify_mark *mark); /* called on final put+free */
};
#ifdef CONFIG_FSNOTIFY
@@ -341,8 +342,7 @@ extern struct fsnotify_event *fsnotify_remove_first_event(struct fsnotify_group
/* Calculate mask of events for a list of marks */
extern void fsnotify_recalc_mask(struct fsnotify_mark_connector *conn);
extern void fsnotify_init_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group,
void (*free_mark)(struct fsnotify_mark *mark));
struct fsnotify_group *group);
/* Find mark belonging to given group in the list of marks */
extern struct fsnotify_mark *fsnotify_find_mark(
struct fsnotify_mark_connector __rcu **connp,