[deliverable/linux.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 file *file, struct dentry *dentry, __u32 mask)
{
	if (!dentry)
		dentry = file->f_path.dentry;

	__fsnotify_parent(file, dentry, mask);
}

/* simple call site for access decisions */
static inline int fsnotify_perm(struct file *file, int mask)
{
	struct inode *inode = file->f_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, file, FSNOTIFY_EVENT_FILE, 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 inode *inode = file->f_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(file, NULL, mask);
		fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
	}
}

/*
 * fsnotify_modify - file was modified
 */
static inline void fsnotify_modify(struct file *file)
{
	struct inode *inode = file->f_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(file, NULL, mask);
		fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
	}
}

/*
 * fsnotify_open - file was opened
 */
static inline void fsnotify_open(struct file *file)
{
	struct inode *inode = file->f_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(file, NULL, mask);
		fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
	}
}

/*
 * fsnotify_close - file was closed
 */
static inline void fsnotify_close(struct file *file)
{
	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(file, NULL, mask);
		fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, 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. */
3bcf3860	29	static inline void fsnotify_parent(struct file file, struct dentry dentry, __u32 mask)
c28f7e56	30	{
72acc854	31	if (!dentry)
3bcf3860	32	dentry = file->f_path.dentry;
28c60e37	33
3bcf3860	34	__fsnotify_parent(file, 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	{
3bcf3860	40	struct inode *inode = file->f_path.dentry->d_inode;
fb1cfb88	41	__u32 fsnotify_mask = 0;
c4ec54b4 EP	42
	43	if (file->f_mode & FMODE_NONOTIFY)
	44	return 0;
	45	if (!(mask & (MAY_READ \| MAY_OPEN)))
	46	return 0;
c4ec54b4 EP	47	if (mask & MAY_OPEN)
c4ec54b4 EP	48	fsnotify_mask = FS_OPEN_PERM;
fb1cfb88 EP	49	else if (mask & MAY_READ)
	50	fsnotify_mask = FS_ACCESS_PERM;
	51	else
	52	BUG();
c4ec54b4	53
3bcf3860	54	return fsnotify(inode, fsnotify_mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
c4ec54b4 EP	55	}
c4ec54b4 EP	56
c32ccd87	57	/*
e61ce867 EP	58	* fsnotify_d_move - dentry has been moved
e61ce867 EP	59	* Called with dcache_lock and dentry->d_lock held.
c32ccd87	60	*/
e61ce867	61	static inline void fsnotify_d_move(struct dentry *dentry)
c32ccd87	62	{
c28f7e56	63	/*
e61ce867 EP	64	* On move we need to update dentry->d_flags to indicate if the new parent
e61ce867 EP	65	* cares about events from this dentry.
c28f7e56	66	*/
e61ce867	67	__fsnotify_update_dcache_flags(dentry);
c32ccd87 NP	68	}
c32ccd87 NP	69
90586523 EP	70	/*
	71	* fsnotify_link_count - inode's link count changed
	72	*/
	73	static inline void fsnotify_link_count(struct inode *inode)
	74	{
47882c6f	75	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
90586523 EP	76	}
90586523 EP	77
0eeca283 RL	78	/*
	79	* fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
	80	*/
	81	static inline void fsnotify_move(struct inode old_dir, struct inode new_dir,
59b0df21	82	const unsigned char *old_name,
5a190ae6	83	int isdir, struct inode target, struct dentry moved)
0eeca283	84	{
5a190ae6	85	struct inode *source = moved->d_inode;
47882c6f	86	u32 fs_cookie = fsnotify_get_cookie();
ff52cc21 EP	87	__u32 old_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_FROM);
ff52cc21 EP	88	__u32 new_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_TO);
59b0df21	89	const unsigned char *new_name = moved->d_name.name;
0eeca283	90
ff52cc21 EP	91	if (old_dir == new_dir)
ff52cc21 EP	92	old_dir_mask \|= FS_DN_RENAME;
0eeca283	93
90586523	94	if (isdir) {
90586523 EP	95	old_dir_mask \|= FS_IN_ISDIR;
	96	new_dir_mask \|= FS_IN_ISDIR;
	97	}
	98
47882c6f EP	99	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
47882c6f EP	100	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);
90586523	101
2dfc1cae	102	if (target)
90586523	103	fsnotify_link_count(target);
89204c40	104
2dfc1cae	105	if (source)
47882c6f	106	fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
cccc6bba	107	audit_inode_child(moved, new_dir);
0eeca283 RL	108	}
0eeca283 RL	109
3be25f49 EP	110	/*
	111	* fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
	112	*/
	113	static inline void fsnotify_inode_delete(struct inode *inode)
	114	{
	115	__fsnotify_inode_delete(inode);
	116	}
	117
ca9c726e AG	118	/*
	119	* fsnotify_vfsmount_delete - a vfsmount is being destroyed, clean up is needed
	120	*/
	121	static inline void fsnotify_vfsmount_delete(struct vfsmount *mnt)
	122	{
	123	__fsnotify_vfsmount_delete(mnt);
	124	}
	125
7a91bf7f JM	126	/*
	127	* fsnotify_nameremove - a filename was removed from a directory
	128	*/
	129	static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
	130	{
90586523 EP	131	__u32 mask = FS_DELETE;
90586523 EP	132
7a91bf7f	133	if (isdir)
90586523	134	mask \|= FS_IN_ISDIR;
c28f7e56	135
28c60e37	136	fsnotify_parent(NULL, dentry, mask);
7a91bf7f JM	137	}
	138
	139	/*
	140	* fsnotify_inoderemove - an inode is going away
	141	*/
	142	static inline void fsnotify_inoderemove(struct inode *inode)
	143	{
47882c6f	144	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
3be25f49	145	__fsnotify_inode_delete(inode);
ece95912 JK	146	}
ece95912 JK	147
0eeca283 RL	148	/*
	149	* fsnotify_create - 'name' was linked in
	150	*/
f38aa942	151	static inline void fsnotify_create(struct inode inode, struct dentry dentry)
0eeca283	152	{
cccc6bba	153	audit_inode_child(dentry, inode);
90586523	154
47882c6f	155	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
0eeca283 RL	156	}
0eeca283 RL	157
ece95912 JK	158	/*
	159	* fsnotify_link - new hardlink in 'inode' directory
	160	* Note: We have to pass also the linked inode ptr as some filesystems leave
	161	* new_dentry->d_inode NULL and instantiate inode pointer later
	162	*/
	163	static inline void fsnotify_link(struct inode dir, struct inode inode, struct dentry *new_dentry)
	164	{
ece95912	165	fsnotify_link_count(inode);
cccc6bba	166	audit_inode_child(new_dentry, dir);
90586523	167
47882c6f	168	fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0);
ece95912 JK	169	}
ece95912 JK	170
0eeca283 RL	171	/*
	172	* fsnotify_mkdir - directory 'name' was created
	173	*/
f38aa942	174	static inline void fsnotify_mkdir(struct inode inode, struct dentry dentry)
0eeca283	175	{
90586523 EP	176	__u32 mask = (FS_CREATE \| FS_IN_ISDIR);
	177	struct inode *d_inode = dentry->d_inode;
	178
cccc6bba	179	audit_inode_child(dentry, inode);
90586523	180
47882c6f	181	fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
0eeca283 RL	182	}
	183
	184	/*
	185	* fsnotify_access - file was read
	186	*/
2a12a9d7	187	static inline void fsnotify_access(struct file *file)
0eeca283	188	{
3bcf3860	189	struct inode *inode = file->f_path.dentry->d_inode;
90586523	190	__u32 mask = FS_ACCESS;
0eeca283 RL	191
0eeca283 RL	192	if (S_ISDIR(inode->i_mode))
90586523	193	mask \|= FS_IN_ISDIR;
0eeca283	194
ecf081d1	195	if (!(file->f_mode & FMODE_NONOTIFY)) {
3bcf3860 EP	196	fsnotify_parent(file, NULL, mask);
3bcf3860 EP	197	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
ecf081d1	198	}
0eeca283 RL	199	}
	200
	201	/*
	202	* fsnotify_modify - file was modified
	203	*/
2a12a9d7	204	static inline void fsnotify_modify(struct file *file)
0eeca283	205	{
3bcf3860	206	struct inode *inode = file->f_path.dentry->d_inode;
90586523	207	__u32 mask = FS_MODIFY;
0eeca283 RL	208
0eeca283 RL	209	if (S_ISDIR(inode->i_mode))
90586523	210	mask \|= FS_IN_ISDIR;
0eeca283	211
ecf081d1	212	if (!(file->f_mode & FMODE_NONOTIFY)) {
3bcf3860 EP	213	fsnotify_parent(file, NULL, mask);
3bcf3860 EP	214	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
ecf081d1	215	}
0eeca283 RL	216	}
	217
	218	/*
	219	* fsnotify_open - file was opened
	220	*/
2a12a9d7	221	static inline void fsnotify_open(struct file *file)
0eeca283	222	{
3bcf3860	223	struct inode *inode = file->f_path.dentry->d_inode;
90586523	224	__u32 mask = FS_OPEN;
0eeca283 RL	225
0eeca283 RL	226	if (S_ISDIR(inode->i_mode))
90586523	227	mask \|= FS_IN_ISDIR;
0eeca283	228
ecf081d1	229	if (!(file->f_mode & FMODE_NONOTIFY)) {
3bcf3860 EP	230	fsnotify_parent(file, NULL, mask);
3bcf3860 EP	231	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
ecf081d1	232	}
0eeca283 RL	233	}
	234
	235	/*
	236	* fsnotify_close - file was closed
	237	*/
	238	static inline void fsnotify_close(struct file *file)
	239	{
28c60e37	240	struct inode *inode = file->f_path.dentry->d_inode;
aeb5d727	241	fmode_t mode = file->f_mode;
90586523	242	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
0eeca283 RL	243
0eeca283 RL	244	if (S_ISDIR(inode->i_mode))
90586523	245	mask \|= FS_IN_ISDIR;
0eeca283	246
ecf081d1	247	if (!(file->f_mode & FMODE_NONOTIFY)) {
3bcf3860 EP	248	fsnotify_parent(file, NULL, mask);
3bcf3860 EP	249	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
ecf081d1	250	}
0eeca283 RL	251	}
	252
	253	/*
	254	* fsnotify_xattr - extended attributes were changed
	255	*/
	256	static inline void fsnotify_xattr(struct dentry *dentry)
	257	{
	258	struct inode *inode = dentry->d_inode;
90586523	259	__u32 mask = FS_ATTRIB;
0eeca283 RL	260
0eeca283 RL	261	if (S_ISDIR(inode->i_mode))
90586523	262	mask \|= FS_IN_ISDIR;
0eeca283	263
28c60e37	264	fsnotify_parent(NULL, dentry, mask);
47882c6f	265	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	266	}
	267
	268	/*
	269	* fsnotify_change - notify_change event. file was modified and/or metadata
	270	* was changed.
	271	*/
	272	static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
	273	{
	274	struct inode *inode = dentry->d_inode;
3c5119c0 EP	275	__u32 mask = 0;
	276
	277	if (ia_valid & ATTR_UID)
	278	mask \|= FS_ATTRIB;
	279	if (ia_valid & ATTR_GID)
	280	mask \|= FS_ATTRIB;
	281	if (ia_valid & ATTR_SIZE)
	282	mask \|= FS_MODIFY;
0eeca283	283
0eeca283 RL	284	/* both times implies a utime(s) call */
0eeca283 RL	285	if ((ia_valid & (ATTR_ATIME \| ATTR_MTIME)) == (ATTR_ATIME \| ATTR_MTIME))
3c5119c0 EP	286	mask \|= FS_ATTRIB;
	287	else if (ia_valid & ATTR_ATIME)
	288	mask \|= FS_ACCESS;
	289	else if (ia_valid & ATTR_MTIME)
	290	mask \|= FS_MODIFY;
	291
	292	if (ia_valid & ATTR_MODE)
	293	mask \|= FS_ATTRIB;
0eeca283	294
3c5119c0	295	if (mask) {
0eeca283	296	if (S_ISDIR(inode->i_mode))
3c5119c0	297	mask \|= FS_IN_ISDIR;
28c60e37 EP	298
28c60e37 EP	299	fsnotify_parent(NULL, dentry, mask);
47882c6f	300	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	301	}
	302	}
	303
2dfc1cae	304	#if defined(CONFIG_FSNOTIFY) /* notify helpers */
0eeca283 RL	305
	306	/*
	307	* fsnotify_oldname_init - save off the old filename before we change it
	308	*/
59b0df21	309	static inline const unsigned char fsnotify_oldname_init(const unsigned char name)
0eeca283 RL	310	{
	311	return kstrdup(name, GFP_KERNEL);
	312	}
	313
	314	/*
	315	* fsnotify_oldname_free - free the name we got from fsnotify_oldname_init
	316	*/
59b0df21	317	static inline void fsnotify_oldname_free(const unsigned char *old_name)
0eeca283 RL	318	{
	319	kfree(old_name);
	320	}
	321
28c60e37	322	#else /* CONFIG_FSNOTIFY */
0eeca283	323
59b0df21	324	static inline const char fsnotify_oldname_init(const unsigned char name)
0eeca283 RL	325	{
	326	return NULL;
	327	}
	328
59b0df21	329	static inline void fsnotify_oldname_free(const unsigned char *old_name)
0eeca283 RL	330	{
	331	}
	332
28c60e37	333	#endif /* CONFIG_FSNOTIFY */
0eeca283	334
0eeca283	335	#endif /* _LINUX_FS_NOTIFY_H */