Commit f115815d authored by Amir Goldstein's avatar Amir Goldstein Committed by Jan Kara
Browse files

fsnotify: create helpers to get sb and connp from object 



In preparation to passing an object pointer to add/remove/find mark
helpers, create helpers to get sb and connp by object type.

Signed-off-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Message-Id: <20240317184154.1200192-3-amir73il@gmail.com>
parent d2f277e2

fs/notify/fsnotify.h

+15 −0
Original line number Diff line number Diff line
@@ -27,6 +27,21 @@ static inline struct super_block *fsnotify_conn_sb( 
	return container_of(conn->obj, struct super_block, s_fsnotify_marks);

}



static inline struct super_block *fsnotify_object_sb(void *obj,

			enum fsnotify_obj_type obj_type)

{

	switch (obj_type) {

	case FSNOTIFY_OBJ_TYPE_INODE:

		return ((struct inode *)obj)->i_sb;

	case FSNOTIFY_OBJ_TYPE_VFSMOUNT:

		return ((struct vfsmount *)obj)->mnt_sb;

	case FSNOTIFY_OBJ_TYPE_SB:

		return (struct super_block *)obj;

	default:

		return NULL;

	}

}



static inline struct super_block *fsnotify_connector_sb(

				struct fsnotify_mark_connector *conn)

{

fs/notify/mark.c

+15 −0
Original line number Diff line number Diff line
@@ -97,6 +97,21 @@ void fsnotify_get_mark(struct fsnotify_mark *mark) 
	refcount_inc(&mark->refcnt);

}



static fsnotify_connp_t *fsnotify_object_connp(void *obj,

				enum fsnotify_obj_type obj_type)

{

	switch (obj_type) {

	case FSNOTIFY_OBJ_TYPE_INODE:

		return &((struct inode *)obj)->i_fsnotify_marks;

	case FSNOTIFY_OBJ_TYPE_VFSMOUNT:

		return &real_mount(obj)->mnt_fsnotify_marks;

	case FSNOTIFY_OBJ_TYPE_SB:

		return &((struct super_block *)obj)->s_fsnotify_marks;

	default:

		return NULL;

	}

}



static __u32 *fsnotify_conn_mask_p(struct fsnotify_mark_connector *conn)

{

	if (conn->type == FSNOTIFY_OBJ_TYPE_INODE)