[mirror_ubuntu-focal-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/dnotify.h>
#include <linux/inotify.h>
#include <linux/fsnotify_backend.h>
#include <linux/audit.h>

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

	inotify_d_instantiate(entry, inode);
}

/* Notify this dentry's parent about a child's events. */
static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
{
	__fsnotify_parent(dentry, mask);

	inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
}

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

	inotify_d_move(entry);
}

/*
 * fsnotify_link_count - inode's link count changed
 */
static inline void fsnotify_link_count(struct inode *inode)
{
	inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);

	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL);
}

/*
 * 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 char *old_name, const char *new_name,
				 int isdir, struct inode *target, struct dentry *moved)
{
	struct inode *source = moved->d_inode;
	u32 cookie = inotify_get_cookie();
	__u32 old_dir_mask = 0;
	__u32 new_dir_mask = 0;

	if (old_dir == new_dir) {
		old_dir_mask = FS_DN_RENAME;
	}

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

	old_dir_mask |= FS_MOVED_FROM;
	new_dir_mask |= FS_MOVED_TO;

	inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name,
				  source);
	inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name,
				  source);

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

	if (target) {
		inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
		inotify_inode_is_dead(target);

		/* this is really a link_count change not a removal */
		fsnotify_link_count(target);
	}

	if (source) {
		inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
		fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL);
	}
	audit_inode_child(new_name, 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_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(dentry, mask);
}

/*
 * fsnotify_inoderemove - an inode is going away
 */
static inline void fsnotify_inoderemove(struct inode *inode)
{
	inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
	inotify_inode_is_dead(inode);

	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL);
	__fsnotify_inode_delete(inode);
}

/*
 * fsnotify_create - 'name' was linked in
 */
static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
{
	inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
				  dentry->d_inode);
	audit_inode_child(dentry->d_name.name, dentry, inode);

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

/*
 * 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)
{
	inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
				  inode);
	fsnotify_link_count(inode);
	audit_inode_child(new_dentry->d_name.name, new_dentry, dir);

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

/*
 * 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;

	inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode);
	audit_inode_child(dentry->d_name.name, dentry, inode);

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

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

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

	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

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

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

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

	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

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

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

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

	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

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

/*
 * fsnotify_close - file was closed
 */
static inline void fsnotify_close(struct file *file)
{
	struct dentry *dentry = file->f_path.dentry;
	struct inode *inode = 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;

	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

	fsnotify_parent(dentry, mask);
	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL);
}

/*
 * 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;

	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

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

/*
 * 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;
		inotify_inode_queue_event(inode, mask, 0, NULL, NULL);

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

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

/*
 * fsnotify_oldname_init - save off the old filename before we change it
 */
static inline const char *fsnotify_oldname_init(const 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 char *old_name)
{
	kfree(old_name);
}

#else	/* CONFIG_INOTIFY || CONFIG_FSNOTIFY */

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

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

#endif	/* ! CONFIG_INOTIFY */

#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
0eeca283 RL	14	#include <linux/dnotify.h>
0eeca283 RL	15	#include <linux/inotify.h>
90586523	16	#include <linux/fsnotify_backend.h>
73241ccc	17	#include <linux/audit.h>
0eeca283	18
c32ccd87 NP	19	/*
	20	* fsnotify_d_instantiate - instantiate a dentry for inode
	21	* Called with dcache_lock held.
	22	*/
	23	static inline void fsnotify_d_instantiate(struct dentry *entry,
	24	struct inode *inode)
	25	{
c28f7e56 EP	26	__fsnotify_d_instantiate(entry, inode);
c28f7e56 EP	27
c32ccd87 NP	28	inotify_d_instantiate(entry, inode);
	29	}
	30
c28f7e56 EP	31	/* Notify this dentry's parent about a child's events. */
	32	static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
	33	{
	34	__fsnotify_parent(dentry, mask);
	35
	36	inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
	37	}
	38
c32ccd87 NP	39	/*
	40	* fsnotify_d_move - entry has been moved
	41	* Called with dcache_lock and entry->d_lock held.
	42	*/
	43	static inline void fsnotify_d_move(struct dentry *entry)
	44	{
c28f7e56 EP	45	/*
	46	* On move we need to update entry->d_flags to indicate if the new parent
	47	* cares about events from this entry.
	48	*/
	49	__fsnotify_update_dcache_flags(entry);
	50
c32ccd87 NP	51	inotify_d_move(entry);
	52	}
	53
90586523 EP	54	/*
	55	* fsnotify_link_count - inode's link count changed
	56	*/
	57	static inline void fsnotify_link_count(struct inode *inode)
	58	{
	59	inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);
	60
62ffe5df	61	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL);
90586523 EP	62	}
90586523 EP	63
0eeca283 RL	64	/*
	65	* fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
	66	*/
	67	static inline void fsnotify_move(struct inode old_dir, struct inode new_dir,
	68	const char old_name, const char new_name,
5a190ae6	69	int isdir, struct inode target, struct dentry moved)
0eeca283	70	{
5a190ae6	71	struct inode *source = moved->d_inode;
0eeca283	72	u32 cookie = inotify_get_cookie();
90586523 EP	73	__u32 old_dir_mask = 0;
90586523 EP	74	__u32 new_dir_mask = 0;
0eeca283	75
90586523	76	if (old_dir == new_dir) {
90586523	77	old_dir_mask = FS_DN_RENAME;
0eeca283 RL	78	}
0eeca283 RL	79
90586523	80	if (isdir) {
0eeca283	81	isdir = IN_ISDIR;
90586523 EP	82	old_dir_mask \|= FS_IN_ISDIR;
	83	new_dir_mask \|= FS_IN_ISDIR;
	84	}
	85
	86	old_dir_mask \|= FS_MOVED_FROM;
	87	new_dir_mask \|= FS_MOVED_TO;
	88
7c297722 AG	89	inotify_inode_queue_event(old_dir, IN_MOVED_FROM\|isdir,cookie,old_name,
	90	source);
	91	inotify_inode_queue_event(new_dir, IN_MOVED_TO\|isdir, cookie, new_name,
	92	source);
75449536	93
62ffe5df EP	94	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name);
62ffe5df EP	95	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name);
90586523	96
75449536	97	if (target) {
7c297722	98	inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
75449536	99	inotify_inode_is_dead(target);
90586523 EP	100
	101	/* this is really a link_count change not a removal */
	102	fsnotify_link_count(target);
75449536	103	}
89204c40 JM	104
89204c40 JM	105	if (source) {
7c297722	106	inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
62ffe5df	107	fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL);
89204c40	108	}
5a190ae6	109	audit_inode_child(new_name, moved, new_dir);
0eeca283 RL	110	}
0eeca283 RL	111
3be25f49 EP	112	/*
	113	* fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
	114	*/
	115	static inline void fsnotify_inode_delete(struct inode *inode)
	116	{
	117	__fsnotify_inode_delete(inode);
	118	}
	119
7a91bf7f JM	120	/*
	121	* fsnotify_nameremove - a filename was removed from a directory
	122	*/
	123	static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
	124	{
90586523 EP	125	__u32 mask = FS_DELETE;
90586523 EP	126
7a91bf7f	127	if (isdir)
90586523	128	mask \|= FS_IN_ISDIR;
c28f7e56 EP	129
c28f7e56 EP	130	fsnotify_parent(dentry, mask);
7a91bf7f JM	131	}
	132
	133	/*
	134	* fsnotify_inoderemove - an inode is going away
	135	*/
	136	static inline void fsnotify_inoderemove(struct inode *inode)
	137	{
7c297722	138	inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
7a91bf7f	139	inotify_inode_is_dead(inode);
7a91bf7f	140
62ffe5df	141	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL);
3be25f49	142	__fsnotify_inode_delete(inode);
ece95912 JK	143	}
ece95912 JK	144
0eeca283 RL	145	/*
	146	* fsnotify_create - 'name' was linked in
	147	*/
f38aa942	148	static inline void fsnotify_create(struct inode inode, struct dentry dentry)
0eeca283	149	{
7c297722 AG	150	inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
7c297722 AG	151	dentry->d_inode);
5a190ae6	152	audit_inode_child(dentry->d_name.name, dentry, inode);
90586523	153
62ffe5df	154	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name);
0eeca283 RL	155	}
0eeca283 RL	156
ece95912 JK	157	/*
	158	* fsnotify_link - new hardlink in 'inode' directory
	159	* Note: We have to pass also the linked inode ptr as some filesystems leave
	160	* new_dentry->d_inode NULL and instantiate inode pointer later
	161	*/
	162	static inline void fsnotify_link(struct inode dir, struct inode inode, struct dentry *new_dentry)
	163	{
ece95912 JK	164	inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
	165	inode);
	166	fsnotify_link_count(inode);
	167	audit_inode_child(new_dentry->d_name.name, new_dentry, dir);
90586523	168
62ffe5df	169	fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name);
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
90586523	180	inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode);
5a190ae6	181	audit_inode_child(dentry->d_name.name, dentry, inode);
90586523	182
62ffe5df	183	fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name);
0eeca283 RL	184	}
	185
	186	/*
	187	* fsnotify_access - file was read
	188	*/
	189	static inline void fsnotify_access(struct dentry *dentry)
	190	{
	191	struct inode *inode = 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
7c297722	197	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	198
c28f7e56	199	fsnotify_parent(dentry, mask);
62ffe5df	200	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL);
0eeca283 RL	201	}
	202
	203	/*
	204	* fsnotify_modify - file was modified
	205	*/
	206	static inline void fsnotify_modify(struct dentry *dentry)
	207	{
	208	struct inode *inode = dentry->d_inode;
90586523	209	__u32 mask = FS_MODIFY;
0eeca283 RL	210
0eeca283 RL	211	if (S_ISDIR(inode->i_mode))
90586523	212	mask \|= FS_IN_ISDIR;
0eeca283	213
7c297722	214	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	215
c28f7e56	216	fsnotify_parent(dentry, mask);
62ffe5df	217	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL);
0eeca283 RL	218	}
	219
	220	/*
	221	* fsnotify_open - file was opened
	222	*/
	223	static inline void fsnotify_open(struct dentry *dentry)
	224	{
	225	struct inode *inode = dentry->d_inode;
90586523	226	__u32 mask = FS_OPEN;
0eeca283 RL	227
0eeca283 RL	228	if (S_ISDIR(inode->i_mode))
90586523	229	mask \|= FS_IN_ISDIR;
0eeca283	230
7c297722	231	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	232
c28f7e56	233	fsnotify_parent(dentry, mask);
62ffe5df	234	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL);
0eeca283 RL	235	}
	236
	237	/*
	238	* fsnotify_close - file was closed
	239	*/
	240	static inline void fsnotify_close(struct file *file)
	241	{
0f7fc9e4	242	struct dentry *dentry = file->f_path.dentry;
0eeca283	243	struct inode *inode = dentry->d_inode;
aeb5d727	244	fmode_t mode = file->f_mode;
90586523	245	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
0eeca283 RL	246
0eeca283 RL	247	if (S_ISDIR(inode->i_mode))
90586523	248	mask \|= FS_IN_ISDIR;
0eeca283	249
7c297722	250	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	251
c28f7e56	252	fsnotify_parent(dentry, mask);
62ffe5df	253	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL);
0eeca283 RL	254	}
	255
	256	/*
	257	* fsnotify_xattr - extended attributes were changed
	258	*/
	259	static inline void fsnotify_xattr(struct dentry *dentry)
	260	{
	261	struct inode *inode = dentry->d_inode;
90586523	262	__u32 mask = FS_ATTRIB;
0eeca283 RL	263
0eeca283 RL	264	if (S_ISDIR(inode->i_mode))
90586523	265	mask \|= FS_IN_ISDIR;
0eeca283	266
7c297722	267	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	268
c28f7e56	269	fsnotify_parent(dentry, mask);
62ffe5df	270	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL);
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 EP	302	mask \|= FS_IN_ISDIR;
3c5119c0 EP	303	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
c28f7e56	304
3c5119c0	305	fsnotify_parent(dentry, mask);
62ffe5df	306	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL);
0eeca283 RL	307	}
	308	}
	309
90586523	310	#if defined(CONFIG_INOTIFY) \|\| defined(CONFIG_FSNOTIFY) /* notify helpers */
0eeca283 RL	311
	312	/*
	313	* fsnotify_oldname_init - save off the old filename before we change it
	314	*/
	315	static inline const char fsnotify_oldname_init(const char name)
	316	{
	317	return kstrdup(name, GFP_KERNEL);
	318	}
	319
	320	/*
	321	* fsnotify_oldname_free - free the name we got from fsnotify_oldname_init
	322	*/
	323	static inline void fsnotify_oldname_free(const char *old_name)
	324	{
	325	kfree(old_name);
	326	}
	327
90586523	328	#else /* CONFIG_INOTIFY \|\| CONFIG_FSNOTIFY */
0eeca283 RL	329
	330	static inline const char fsnotify_oldname_init(const char name)
	331	{
	332	return NULL;
	333	}
	334
	335	static inline void fsnotify_oldname_free(const char *old_name)
	336	{
	337	}
	338
	339	#endif /* ! CONFIG_INOTIFY */
	340
0eeca283	341	#endif /* _LINUX_FS_NOTIFY_H */