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authorJan Kara <jack@suse.cz>2014-12-13 03:58:36 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-13 23:42:53 +0300
commit0809ab69a2782afac8c4d7f3d35cd123050aab9a (patch)
tree373ed29c67e9ffd46a53d04e6fc68f4d96b6ba2d /fs/notify/fsnotify.h
parent820c12d5d6c0890bc93dd63893924a13041fdc35 (diff)
downloadlinux-0809ab69a2782afac8c4d7f3d35cd123050aab9a.tar.xz
fsnotify: unify inode and mount marks handling
There's a lot of common code in inode and mount marks handling. Factor it out to a common helper function. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Eric Paris <eparis@redhat.com> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/notify/fsnotify.h')
-rw-r--r--fs/notify/fsnotify.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index 3b68b0ae0a97..13a00be516d2 100644
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -12,12 +12,19 @@ extern void fsnotify_flush_notify(struct fsnotify_group *group);
/* protects reads of inode and vfsmount marks list */
extern struct srcu_struct fsnotify_mark_srcu;
+/* Calculate mask of events for a list of marks */
+extern u32 fsnotify_recalc_mask(struct hlist_head *head);
+
/* compare two groups for sorting of marks lists */
extern int fsnotify_compare_groups(struct fsnotify_group *a,
struct fsnotify_group *b);
extern void fsnotify_set_inode_mark_mask_locked(struct fsnotify_mark *fsn_mark,
__u32 mask);
+/* Add mark to a proper place in mark list */
+extern int fsnotify_add_mark_list(struct hlist_head *head,
+ struct fsnotify_mark *mark,
+ int allow_dups);
/* add a mark to an inode */
extern int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
struct fsnotify_group *group, struct inode *inode,
@@ -31,6 +38,11 @@ extern int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark,
extern void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark);
/* inode specific destruction of a mark */
extern void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark);
+/* Destroy all marks in the given list */
+extern void fsnotify_destroy_marks(struct list_head *to_free);
+/* Find mark belonging to given group in the list of marks */
+extern struct fsnotify_mark *fsnotify_find_mark(struct hlist_head *head,
+ struct fsnotify_group *group);
/* run the list of all marks associated with inode and flag them to be freed */
extern void fsnotify_clear_marks_by_inode(struct inode *inode);
/* run the list of all marks associated with vfsmount and flag them to be freed */