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fsnotify: remove group_num altogether

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The original fsnotify interface has a group-num which was intended to be
able to find a group after it was added.  I no longer think this is a
necessary thing to do and so we remove the group_num.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2009-12-17 21:24:22 -05:00
parent cac69dad32
commit 74be0cc828
6 changed files with 7 additions and 70 deletions
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10
include/linux/fsnotify_backend.h
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@ -60,12 +60,6 @@
#define FS_MOVE (FS_MOVED_FROM | FS_MOVED_TO)
/* listeners that hard code group numbers near the top */
#define DNOTIFY_GROUP_NUM UINT_MAX
#define AUDIT_WATCH_GROUP_NUM (DNOTIFY_GROUP_NUM-1)
#define AUDIT_TREE_GROUP_NUM (AUDIT_WATCH_GROUP_NUM-1)
#define INOTIFY_GROUP_NUM (AUDIT_TREE_GROUP_NUM-1)
struct fsnotify_group;
struct fsnotify_event;
struct fsnotify_mark_entry;
@ -124,7 +118,6 @@ struct fsnotify_group {
* closed.
*/
atomic_t refcnt; /* things with interest in this group */
unsigned int group_num; /* simply prevents accidental group collision */
const struct fsnotify_ops *ops; /* how this group handles things */
@ -312,8 +305,7 @@ static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode
/* must call when a group changes its ->mask */
extern void fsnotify_recalc_global_mask(void);
/* get a reference to an existing or create a new group */
extern struct fsnotify_group *fsnotify_obtain_group(unsigned int group_num,
__u32 mask,
extern struct fsnotify_group *fsnotify_obtain_group(__u32 mask,
const struct fsnotify_ops *ops);
/* run all marks associated with this group and update group->mask */
extern void fsnotify_recalc_group_mask(struct fsnotify_group *group);