[mirror_ubuntu-zesty-kernel.git] / include / linux / fsnotify.h

#ifndef _LINUX_FS_NOTIFY_H
#define _LINUX_FS_NOTIFY_H

/*
 * include/linux/fsnotify.h - generic hooks for filesystem notification, to
 * reduce in-source duplication from both dnotify and inotify.
 *
 * We don't compile any of this away in some complicated menagerie of ifdefs.
 * Instead, we rely on the code inside to optimize away as needed.
 *
 * (C) Copyright 2005 Robert Love
 */

#include <linux/fsnotify_backend.h>
#include <linux/audit.h>
#include <linux/slab.h>

/*
 * fsnotify_d_instantiate - instantiate a dentry for inode
 * Called with dcache_lock held.
 */
static inline void fsnotify_d_instantiate(struct dentry *dentry,
					  struct inode *inode)
{
	__fsnotify_d_instantiate(dentry, inode);
}

/* Notify this dentry's parent about a child's events. */
static inline void fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
{
	if (!dentry)
		dentry = path->dentry;

	__fsnotify_parent(path, dentry, mask);
}

/* simple call site for access decisions */
static inline int fsnotify_perm(struct file *file, int mask)
{
	struct path *path = &file->f_path;
	struct inode *inode = path->dentry->d_inode;
	__u32 fsnotify_mask = 0;

	if (file->f_mode & FMODE_NONOTIFY)
		return 0;
	if (!(mask & (MAY_READ | MAY_OPEN)))
		return 0;
	if (mask & MAY_OPEN)
		fsnotify_mask = FS_OPEN_PERM;
	else if (mask & MAY_READ)
		fsnotify_mask = FS_ACCESS_PERM;
	else
		BUG();

	return fsnotify(inode, fsnotify_mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
}

/*
 * fsnotify_d_move - dentry has been moved
 * Called with dcache_lock and dentry->d_lock held.
 */
static inline void fsnotify_d_move(struct dentry *dentry)
{
	/*
	 * On move we need to update dentry->d_flags to indicate if the new parent
	 * cares about events from this dentry.
	 */
	__fsnotify_update_dcache_flags(dentry);
}

/*
 * fsnotify_link_count - inode's link count changed
 */
static inline void fsnotify_link_count(struct inode *inode)
{
	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}

/*
 * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
 */
static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
				 const unsigned char *old_name,
				 int isdir, struct inode *target, struct dentry *moved)
{
	struct inode *source = moved->d_inode;
	u32 fs_cookie = fsnotify_get_cookie();
	__u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM);
	__u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO);
	const unsigned char *new_name = moved->d_name.name;

	if (old_dir == new_dir)
		old_dir_mask |= FS_DN_RENAME;

	if (isdir) {
		old_dir_mask |= FS_IN_ISDIR;
		new_dir_mask |= FS_IN_ISDIR;
	}

	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);

	if (target)
		fsnotify_link_count(target);

	if (source)
		fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
	audit_inode_child(moved, new_dir);
}

/*
 * fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
 */
static inline void fsnotify_inode_delete(struct inode *inode)
{
	__fsnotify_inode_delete(inode);
}

/*
 * fsnotify_vfsmount_delete - a vfsmount is being destroyed, clean up is needed
 */
static inline void fsnotify_vfsmount_delete(struct vfsmount *mnt)
{
	__fsnotify_vfsmount_delete(mnt);
}

/*
 * fsnotify_nameremove - a filename was removed from a directory
 */
static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
{
	__u32 mask = FS_DELETE;

	if (isdir)
		mask |= FS_IN_ISDIR;

	fsnotify_parent(NULL, dentry, mask);
}

/*
 * fsnotify_inoderemove - an inode is going away
 */
static inline void fsnotify_inoderemove(struct inode *inode)
{
	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
	__fsnotify_inode_delete(inode);
}

/*
 * fsnotify_create - 'name' was linked in
 */
static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
{
	audit_inode_child(dentry, inode);

	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
}

/*
 * fsnotify_link - new hardlink in 'inode' directory
 * Note: We have to pass also the linked inode ptr as some filesystems leave
 *   new_dentry->d_inode NULL and instantiate inode pointer later
 */
static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry)
{
	fsnotify_link_count(inode);
	audit_inode_child(new_dentry, dir);

	fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0);
}

/*
 * fsnotify_mkdir - directory 'name' was created
 */
static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
{
	__u32 mask = (FS_CREATE | FS_IN_ISDIR);
	struct inode *d_inode = dentry->d_inode;

	audit_inode_child(dentry, inode);

	fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
}

/*
 * fsnotify_access - file was read
 */
static inline void fsnotify_access(struct file *file)
{
	struct path *path = &file->f_path;
	struct inode *inode = path->dentry->d_inode;
	__u32 mask = FS_ACCESS;

	if (S_ISDIR(inode->i_mode))
		mask |= FS_IN_ISDIR;

	if (!(file->f_mode & FMODE_NONOTIFY)) {
		fsnotify_parent(path, NULL, mask);
		fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
	}
}

/*
 * fsnotify_modify - file was modified
 */
static inline void fsnotify_modify(struct file *file)
{
	struct path *path = &file->f_path;
	struct inode *inode = path->dentry->d_inode;
	__u32 mask = FS_MODIFY;

	if (S_ISDIR(inode->i_mode))
		mask |= FS_IN_ISDIR;

	if (!(file->f_mode & FMODE_NONOTIFY)) {
		fsnotify_parent(path, NULL, mask);
		fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
	}
}

/*
 * fsnotify_open - file was opened
 */
static inline void fsnotify_open(struct file *file)
{
	struct path *path = &file->f_path;
	struct inode *inode = path->dentry->d_inode;
	__u32 mask = FS_OPEN;

	if (S_ISDIR(inode->i_mode))
		mask |= FS_IN_ISDIR;

	if (!(file->f_mode & FMODE_NONOTIFY)) {
		fsnotify_parent(path, NULL, mask);
		fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
	}
}

/*
 * fsnotify_close - file was closed
 */
static inline void fsnotify_close(struct file *file)
{
	struct path *path = &file->f_path;
	struct inode *inode = file->f_path.dentry->d_inode;
	fmode_t mode = file->f_mode;
	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;

	if (S_ISDIR(inode->i_mode))
		mask |= FS_IN_ISDIR;

	if (!(file->f_mode & FMODE_NONOTIFY)) {
		fsnotify_parent(path, NULL, mask);
		fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
	}
}

/*
 * fsnotify_xattr - extended attributes were changed
 */
static inline void fsnotify_xattr(struct dentry *dentry)
{
	struct inode *inode = dentry->d_inode;
	__u32 mask = FS_ATTRIB;

	if (S_ISDIR(inode->i_mode))
		mask |= FS_IN_ISDIR;

	fsnotify_parent(NULL, dentry, mask);
	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}

/*
 * fsnotify_change - notify_change event.  file was modified and/or metadata
 * was changed.
 */
static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
{
	struct inode *inode = dentry->d_inode;
	__u32 mask = 0;

	if (ia_valid & ATTR_UID)
		mask |= FS_ATTRIB;
	if (ia_valid & ATTR_GID)
		mask |= FS_ATTRIB;
	if (ia_valid & ATTR_SIZE)
		mask |= FS_MODIFY;

	/* both times implies a utime(s) call */
	if ((ia_valid & (ATTR_ATIME | ATTR_MTIME)) == (ATTR_ATIME | ATTR_MTIME))
		mask |= FS_ATTRIB;
	else if (ia_valid & ATTR_ATIME)
		mask |= FS_ACCESS;
	else if (ia_valid & ATTR_MTIME)
		mask |= FS_MODIFY;

	if (ia_valid & ATTR_MODE)
		mask |= FS_ATTRIB;

	if (mask) {
		if (S_ISDIR(inode->i_mode))
			mask |= FS_IN_ISDIR;

		fsnotify_parent(NULL, dentry, mask);
		fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
	}
}

#if defined(CONFIG_FSNOTIFY)	/* notify helpers */

/*
 * fsnotify_oldname_init - save off the old filename before we change it
 */
static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name)
{
	return kstrdup(name, GFP_KERNEL);
}

/*
 * fsnotify_oldname_free - free the name we got from fsnotify_oldname_init
 */
static inline void fsnotify_oldname_free(const unsigned char *old_name)
{
	kfree(old_name);
}

#else	/* CONFIG_FSNOTIFY */

static inline const char *fsnotify_oldname_init(const unsigned char *name)
{
	return NULL;
}

static inline void fsnotify_oldname_free(const unsigned char *old_name)
{
}

#endif	/*  CONFIG_FSNOTIFY */

#endif	/* _LINUX_FS_NOTIFY_H */
Commit	Line	Data
0eeca283 RL	1	#ifndef _LINUX_FS_NOTIFY_H
	2	#define _LINUX_FS_NOTIFY_H
	3
	4	/*
	5	* include/linux/fsnotify.h - generic hooks for filesystem notification, to
	6	* reduce in-source duplication from both dnotify and inotify.
	7	*
	8	* We don't compile any of this away in some complicated menagerie of ifdefs.
	9	* Instead, we rely on the code inside to optimize away as needed.
	10	*
	11	* (C) Copyright 2005 Robert Love
	12	*/
	13
90586523	14	#include <linux/fsnotify_backend.h>
73241ccc	15	#include <linux/audit.h>
5a0e3ad6	16	#include <linux/slab.h>
0eeca283	17
c32ccd87 NP	18	/*
	19	* fsnotify_d_instantiate - instantiate a dentry for inode
	20	* Called with dcache_lock held.
	21	*/
e61ce867 EP	22	static inline void fsnotify_d_instantiate(struct dentry *dentry,
e61ce867 EP	23	struct inode *inode)
c32ccd87	24	{
e61ce867	25	__fsnotify_d_instantiate(dentry, inode);
c32ccd87 NP	26	}
c32ccd87 NP	27
c28f7e56	28	/* Notify this dentry's parent about a child's events. */
2069601b	29	static inline void fsnotify_parent(struct path path, struct dentry dentry, __u32 mask)
c28f7e56	30	{
72acc854	31	if (!dentry)
2069601b	32	dentry = path->dentry;
28c60e37	33
2069601b	34	__fsnotify_parent(path, dentry, mask);
c28f7e56 EP	35	}
c28f7e56 EP	36
c4ec54b4 EP	37	/* simple call site for access decisions */
	38	static inline int fsnotify_perm(struct file *file, int mask)
	39	{
2069601b LT	40	struct path *path = &file->f_path;
2069601b LT	41	struct inode *inode = path->dentry->d_inode;
fb1cfb88	42	__u32 fsnotify_mask = 0;
c4ec54b4 EP	43
	44	if (file->f_mode & FMODE_NONOTIFY)
	45	return 0;
	46	if (!(mask & (MAY_READ \| MAY_OPEN)))
	47	return 0;
c4ec54b4 EP	48	if (mask & MAY_OPEN)
c4ec54b4 EP	49	fsnotify_mask = FS_OPEN_PERM;
fb1cfb88 EP	50	else if (mask & MAY_READ)
	51	fsnotify_mask = FS_ACCESS_PERM;
	52	else
	53	BUG();
c4ec54b4	54
2069601b	55	return fsnotify(inode, fsnotify_mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
c4ec54b4 EP	56	}
c4ec54b4 EP	57
c32ccd87	58	/*
e61ce867 EP	59	* fsnotify_d_move - dentry has been moved
e61ce867 EP	60	* Called with dcache_lock and dentry->d_lock held.
c32ccd87	61	*/
e61ce867	62	static inline void fsnotify_d_move(struct dentry *dentry)
c32ccd87	63	{
c28f7e56	64	/*
e61ce867 EP	65	* On move we need to update dentry->d_flags to indicate if the new parent
e61ce867 EP	66	* cares about events from this dentry.
c28f7e56	67	*/
e61ce867	68	__fsnotify_update_dcache_flags(dentry);
c32ccd87 NP	69	}
c32ccd87 NP	70
90586523 EP	71	/*
	72	* fsnotify_link_count - inode's link count changed
	73	*/
	74	static inline void fsnotify_link_count(struct inode *inode)
	75	{
47882c6f	76	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
90586523 EP	77	}
90586523 EP	78
0eeca283 RL	79	/*
	80	* fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
	81	*/
	82	static inline void fsnotify_move(struct inode old_dir, struct inode new_dir,
59b0df21	83	const unsigned char *old_name,
5a190ae6	84	int isdir, struct inode target, struct dentry moved)
0eeca283	85	{
5a190ae6	86	struct inode *source = moved->d_inode;
47882c6f	87	u32 fs_cookie = fsnotify_get_cookie();
ff52cc21 EP	88	__u32 old_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_FROM);
ff52cc21 EP	89	__u32 new_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_TO);
59b0df21	90	const unsigned char *new_name = moved->d_name.name;
0eeca283	91
ff52cc21 EP	92	if (old_dir == new_dir)
ff52cc21 EP	93	old_dir_mask \|= FS_DN_RENAME;
0eeca283	94
90586523	95	if (isdir) {
90586523 EP	96	old_dir_mask \|= FS_IN_ISDIR;
	97	new_dir_mask \|= FS_IN_ISDIR;
	98	}
	99
47882c6f EP	100	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
47882c6f EP	101	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);
90586523	102
2dfc1cae	103	if (target)
90586523	104	fsnotify_link_count(target);
89204c40	105
2dfc1cae	106	if (source)
47882c6f	107	fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
cccc6bba	108	audit_inode_child(moved, new_dir);
0eeca283 RL	109	}
0eeca283 RL	110
3be25f49 EP	111	/*
	112	* fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
	113	*/
	114	static inline void fsnotify_inode_delete(struct inode *inode)
	115	{
	116	__fsnotify_inode_delete(inode);
	117	}
	118
ca9c726e AG	119	/*
	120	* fsnotify_vfsmount_delete - a vfsmount is being destroyed, clean up is needed
	121	*/
	122	static inline void fsnotify_vfsmount_delete(struct vfsmount *mnt)
	123	{
	124	__fsnotify_vfsmount_delete(mnt);
	125	}
	126
7a91bf7f JM	127	/*
	128	* fsnotify_nameremove - a filename was removed from a directory
	129	*/
	130	static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
	131	{
90586523 EP	132	__u32 mask = FS_DELETE;
90586523 EP	133
7a91bf7f	134	if (isdir)
90586523	135	mask \|= FS_IN_ISDIR;
c28f7e56	136
28c60e37	137	fsnotify_parent(NULL, dentry, mask);
7a91bf7f JM	138	}
	139
	140	/*
	141	* fsnotify_inoderemove - an inode is going away
	142	*/
	143	static inline void fsnotify_inoderemove(struct inode *inode)
	144	{
47882c6f	145	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
3be25f49	146	__fsnotify_inode_delete(inode);
ece95912 JK	147	}
ece95912 JK	148
0eeca283 RL	149	/*
	150	* fsnotify_create - 'name' was linked in
	151	*/
f38aa942	152	static inline void fsnotify_create(struct inode inode, struct dentry dentry)
0eeca283	153	{
cccc6bba	154	audit_inode_child(dentry, inode);
90586523	155
47882c6f	156	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
0eeca283 RL	157	}
0eeca283 RL	158
ece95912 JK	159	/*
	160	* fsnotify_link - new hardlink in 'inode' directory
	161	* Note: We have to pass also the linked inode ptr as some filesystems leave
	162	* new_dentry->d_inode NULL and instantiate inode pointer later
	163	*/
	164	static inline void fsnotify_link(struct inode dir, struct inode inode, struct dentry *new_dentry)
	165	{
ece95912	166	fsnotify_link_count(inode);
cccc6bba	167	audit_inode_child(new_dentry, dir);
90586523	168
47882c6f	169	fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0);
ece95912 JK	170	}
ece95912 JK	171
0eeca283 RL	172	/*
	173	* fsnotify_mkdir - directory 'name' was created
	174	*/
f38aa942	175	static inline void fsnotify_mkdir(struct inode inode, struct dentry dentry)
0eeca283	176	{
90586523 EP	177	__u32 mask = (FS_CREATE \| FS_IN_ISDIR);
	178	struct inode *d_inode = dentry->d_inode;
	179
cccc6bba	180	audit_inode_child(dentry, inode);
90586523	181
47882c6f	182	fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
0eeca283 RL	183	}
	184
	185	/*
	186	* fsnotify_access - file was read
	187	*/
2a12a9d7	188	static inline void fsnotify_access(struct file *file)
0eeca283	189	{
2069601b LT	190	struct path *path = &file->f_path;
2069601b LT	191	struct inode *inode = path->dentry->d_inode;
90586523	192	__u32 mask = FS_ACCESS;
0eeca283 RL	193
0eeca283 RL	194	if (S_ISDIR(inode->i_mode))
90586523	195	mask \|= FS_IN_ISDIR;
0eeca283	196
ecf081d1	197	if (!(file->f_mode & FMODE_NONOTIFY)) {
2069601b LT	198	fsnotify_parent(path, NULL, mask);
2069601b LT	199	fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
ecf081d1	200	}
0eeca283 RL	201	}
	202
	203	/*
	204	* fsnotify_modify - file was modified
	205	*/
2a12a9d7	206	static inline void fsnotify_modify(struct file *file)
0eeca283	207	{
2069601b LT	208	struct path *path = &file->f_path;
2069601b LT	209	struct inode *inode = path->dentry->d_inode;
90586523	210	__u32 mask = FS_MODIFY;
0eeca283 RL	211
0eeca283 RL	212	if (S_ISDIR(inode->i_mode))
90586523	213	mask \|= FS_IN_ISDIR;
0eeca283	214
ecf081d1	215	if (!(file->f_mode & FMODE_NONOTIFY)) {
2069601b LT	216	fsnotify_parent(path, NULL, mask);
2069601b LT	217	fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
ecf081d1	218	}
0eeca283 RL	219	}
	220
	221	/*
	222	* fsnotify_open - file was opened
	223	*/
2a12a9d7	224	static inline void fsnotify_open(struct file *file)
0eeca283	225	{
2069601b LT	226	struct path *path = &file->f_path;
2069601b LT	227	struct inode *inode = path->dentry->d_inode;
90586523	228	__u32 mask = FS_OPEN;
0eeca283 RL	229
0eeca283 RL	230	if (S_ISDIR(inode->i_mode))
90586523	231	mask \|= FS_IN_ISDIR;
0eeca283	232
ecf081d1	233	if (!(file->f_mode & FMODE_NONOTIFY)) {
2069601b LT	234	fsnotify_parent(path, NULL, mask);
2069601b LT	235	fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
ecf081d1	236	}
0eeca283 RL	237	}
	238
	239	/*
	240	* fsnotify_close - file was closed
	241	*/
	242	static inline void fsnotify_close(struct file *file)
	243	{
2069601b	244	struct path *path = &file->f_path;
28c60e37	245	struct inode *inode = file->f_path.dentry->d_inode;
aeb5d727	246	fmode_t mode = file->f_mode;
90586523	247	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
0eeca283 RL	248
0eeca283 RL	249	if (S_ISDIR(inode->i_mode))
90586523	250	mask \|= FS_IN_ISDIR;
0eeca283	251
ecf081d1	252	if (!(file->f_mode & FMODE_NONOTIFY)) {
2069601b LT	253	fsnotify_parent(path, NULL, mask);
2069601b LT	254	fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
ecf081d1	255	}
0eeca283 RL	256	}
	257
	258	/*
	259	* fsnotify_xattr - extended attributes were changed
	260	*/
	261	static inline void fsnotify_xattr(struct dentry *dentry)
	262	{
	263	struct inode *inode = dentry->d_inode;
90586523	264	__u32 mask = FS_ATTRIB;
0eeca283 RL	265
0eeca283 RL	266	if (S_ISDIR(inode->i_mode))
90586523	267	mask \|= FS_IN_ISDIR;
0eeca283	268
28c60e37	269	fsnotify_parent(NULL, dentry, mask);
47882c6f	270	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	271	}
	272
	273	/*
	274	* fsnotify_change - notify_change event. file was modified and/or metadata
	275	* was changed.
	276	*/
	277	static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
	278	{
	279	struct inode *inode = dentry->d_inode;
3c5119c0 EP	280	__u32 mask = 0;
	281
	282	if (ia_valid & ATTR_UID)
	283	mask \|= FS_ATTRIB;
	284	if (ia_valid & ATTR_GID)
	285	mask \|= FS_ATTRIB;
	286	if (ia_valid & ATTR_SIZE)
	287	mask \|= FS_MODIFY;
0eeca283	288
0eeca283 RL	289	/* both times implies a utime(s) call */
0eeca283 RL	290	if ((ia_valid & (ATTR_ATIME \| ATTR_MTIME)) == (ATTR_ATIME \| ATTR_MTIME))
3c5119c0 EP	291	mask \|= FS_ATTRIB;
	292	else if (ia_valid & ATTR_ATIME)
	293	mask \|= FS_ACCESS;
	294	else if (ia_valid & ATTR_MTIME)
	295	mask \|= FS_MODIFY;
	296
	297	if (ia_valid & ATTR_MODE)
	298	mask \|= FS_ATTRIB;
0eeca283	299
3c5119c0	300	if (mask) {
0eeca283	301	if (S_ISDIR(inode->i_mode))
3c5119c0	302	mask \|= FS_IN_ISDIR;
28c60e37 EP	303
28c60e37 EP	304	fsnotify_parent(NULL, dentry, mask);
47882c6f	305	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	306	}
	307	}
	308
2dfc1cae	309	#if defined(CONFIG_FSNOTIFY) /* notify helpers */
0eeca283 RL	310
	311	/*
	312	* fsnotify_oldname_init - save off the old filename before we change it
	313	*/
59b0df21	314	static inline const unsigned char fsnotify_oldname_init(const unsigned char name)
0eeca283 RL	315	{
	316	return kstrdup(name, GFP_KERNEL);
	317	}
	318
	319	/*
	320	* fsnotify_oldname_free - free the name we got from fsnotify_oldname_init
	321	*/
59b0df21	322	static inline void fsnotify_oldname_free(const unsigned char *old_name)
0eeca283 RL	323	{
	324	kfree(old_name);
	325	}
	326
28c60e37	327	#else /* CONFIG_FSNOTIFY */
0eeca283	328
59b0df21	329	static inline const char fsnotify_oldname_init(const unsigned char name)
0eeca283 RL	330	{
	331	return NULL;
	332	}
	333
59b0df21	334	static inline void fsnotify_oldname_free(const unsigned char *old_name)
0eeca283 RL	335	{
	336	}
	337
28c60e37	338	#endif /* CONFIG_FSNOTIFY */
0eeca283	339
0eeca283	340	#endif /* _LINUX_FS_NOTIFY_H */