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fsnotify: move mask out of struct fsnotify_event

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Common fsnotify_event helpers have no need for the mask field.
It is only used by backend code, so move the field out of the
abstract fsnotify_event struct and into the concrete backend
event structs.

This change packs struct inotify_event_info better on 64bit
machine and will allow us to cram some more fields into
struct fanotify_event_info.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Amir Goldstein
2019-01-10 19:04:31 +02:00
committed by Jan Kara
parent 45a9fb3725
commit a0a92d261f
8 changed files with 29 additions and 40 deletions
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10
include/linux/fsnotify_backend.h
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@@ -135,7 +135,6 @@ struct fsnotify_event {
struct list_head list;
/* inode may ONLY be dereferenced during handle_event(). */
struct inode *inode; /* either the inode the event happened to or its parent */
u32 mask; /* the type of access, bitwise OR for FS_* event types */
};
/*
@@ -485,9 +484,12 @@ extern void fsnotify_put_mark(struct fsnotify_mark *mark);
extern void fsnotify_finish_user_wait(struct fsnotify_iter_info *iter_info);
extern bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info);
/* put here because inotify does some weird stuff when destroying watches */
extern void fsnotify_init_event(struct fsnotify_event *event,
struct inode *to_tell, u32 mask);
static inline void fsnotify_init_event(struct fsnotify_event *event,
struct inode *inode)
{
INIT_LIST_HEAD(&event->list);
event->inode = inode;
}
#else