[net-next-2.6.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>
#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 *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, 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 char *old_name,
				 int isdir, struct inode *target, struct dentry *moved)
{
	struct inode *source = moved->d_inode;
	u32 in_cookie = inotify_get_cookie();
	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 char *new_name = moved->d_name.name;

	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;
	}

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

	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) {
		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, 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_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, 0);
	__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, 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)
{
	inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
				  inode);
	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;

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

/*
 * 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, 0);
}

/*
 * 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, 0);
}

/*
 * 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, 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;

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

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

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

#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>
5a0e3ad6	18	#include <linux/slab.h>
0eeca283	19
c32ccd87 NP	20	/*
	21	* fsnotify_d_instantiate - instantiate a dentry for inode
	22	* Called with dcache_lock held.
	23	*/
	24	static inline void fsnotify_d_instantiate(struct dentry *entry,
	25	struct inode *inode)
	26	{
c28f7e56 EP	27	__fsnotify_d_instantiate(entry, inode);
c28f7e56 EP	28
c32ccd87 NP	29	inotify_d_instantiate(entry, inode);
	30	}
	31
c28f7e56 EP	32	/* Notify this dentry's parent about a child's events. */
	33	static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
	34	{
	35	__fsnotify_parent(dentry, mask);
	36
	37	inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
	38	}
	39
c32ccd87 NP	40	/*
	41	* fsnotify_d_move - entry has been moved
	42	* Called with dcache_lock and entry->d_lock held.
	43	*/
	44	static inline void fsnotify_d_move(struct dentry *entry)
	45	{
c28f7e56 EP	46	/*
	47	* On move we need to update entry->d_flags to indicate if the new parent
	48	* cares about events from this entry.
	49	*/
	50	__fsnotify_update_dcache_flags(entry);
	51
c32ccd87 NP	52	inotify_d_move(entry);
	53	}
	54
90586523 EP	55	/*
	56	* fsnotify_link_count - inode's link count changed
	57	*/
	58	static inline void fsnotify_link_count(struct inode *inode)
	59	{
	60	inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);
	61
47882c6f	62	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
90586523 EP	63	}
90586523 EP	64
0eeca283 RL	65	/*
	66	* fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
	67	*/
	68	static inline void fsnotify_move(struct inode old_dir, struct inode new_dir,
123df294	69	const char *old_name,
5a190ae6	70	int isdir, struct inode target, struct dentry moved)
0eeca283	71	{
5a190ae6	72	struct inode *source = moved->d_inode;
47882c6f EP	73	u32 in_cookie = inotify_get_cookie();
47882c6f EP	74	u32 fs_cookie = fsnotify_get_cookie();
ff52cc21 EP	75	__u32 old_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_FROM);
ff52cc21 EP	76	__u32 new_dir_mask = (FS_EVENT_ON_CHILD \| FS_MOVED_TO);
123df294	77	const char *new_name = moved->d_name.name;
0eeca283	78
ff52cc21 EP	79	if (old_dir == new_dir)
ff52cc21 EP	80	old_dir_mask \|= FS_DN_RENAME;
0eeca283	81
90586523	82	if (isdir) {
0eeca283	83	isdir = IN_ISDIR;
90586523 EP	84	old_dir_mask \|= FS_IN_ISDIR;
	85	new_dir_mask \|= FS_IN_ISDIR;
	86	}
	87
47882c6f	88	inotify_inode_queue_event(old_dir, IN_MOVED_FROM\|isdir, in_cookie, old_name,
7c297722	89	source);
47882c6f	90	inotify_inode_queue_event(new_dir, IN_MOVED_TO\|isdir, in_cookie, new_name,
7c297722	91	source);
75449536	92
47882c6f EP	93	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
47882c6f EP	94	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);
90586523	95
75449536	96	if (target) {
7c297722	97	inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
75449536	98	inotify_inode_is_dead(target);
90586523 EP	99
	100	/* this is really a link_count change not a removal */
	101	fsnotify_link_count(target);
75449536	102	}
89204c40 JM	103
89204c40 JM	104	if (source) {
7c297722	105	inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
47882c6f	106	fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
89204c40	107	}
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
7a91bf7f JM	119	/*
	120	* fsnotify_nameremove - a filename was removed from a directory
	121	*/
	122	static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
	123	{
90586523 EP	124	__u32 mask = FS_DELETE;
90586523 EP	125
7a91bf7f	126	if (isdir)
90586523	127	mask \|= FS_IN_ISDIR;
c28f7e56 EP	128
c28f7e56 EP	129	fsnotify_parent(dentry, mask);
7a91bf7f JM	130	}
	131
	132	/*
	133	* fsnotify_inoderemove - an inode is going away
	134	*/
	135	static inline void fsnotify_inoderemove(struct inode *inode)
	136	{
7c297722	137	inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
7a91bf7f	138	inotify_inode_is_dead(inode);
7a91bf7f	139
47882c6f	140	fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
3be25f49	141	__fsnotify_inode_delete(inode);
ece95912 JK	142	}
ece95912 JK	143
0eeca283 RL	144	/*
	145	* fsnotify_create - 'name' was linked in
	146	*/
f38aa942	147	static inline void fsnotify_create(struct inode inode, struct dentry dentry)
0eeca283	148	{
7c297722 AG	149	inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
7c297722 AG	150	dentry->d_inode);
cccc6bba	151	audit_inode_child(dentry, inode);
90586523	152
47882c6f	153	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
0eeca283 RL	154	}
0eeca283 RL	155
ece95912 JK	156	/*
	157	* fsnotify_link - new hardlink in 'inode' directory
	158	* Note: We have to pass also the linked inode ptr as some filesystems leave
	159	* new_dentry->d_inode NULL and instantiate inode pointer later
	160	*/
	161	static inline void fsnotify_link(struct inode dir, struct inode inode, struct dentry *new_dentry)
	162	{
ece95912 JK	163	inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
	164	inode);
	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
90586523	179	inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode);
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	*/
	188	static inline void fsnotify_access(struct dentry *dentry)
	189	{
	190	struct inode *inode = dentry->d_inode;
90586523	191	__u32 mask = FS_ACCESS;
0eeca283 RL	192
0eeca283 RL	193	if (S_ISDIR(inode->i_mode))
90586523	194	mask \|= FS_IN_ISDIR;
0eeca283	195
7c297722	196	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	197
c28f7e56	198	fsnotify_parent(dentry, mask);
47882c6f	199	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	200	}
	201
	202	/*
	203	* fsnotify_modify - file was modified
	204	*/
	205	static inline void fsnotify_modify(struct dentry *dentry)
	206	{
	207	struct inode *inode = dentry->d_inode;
90586523	208	__u32 mask = FS_MODIFY;
0eeca283 RL	209
0eeca283 RL	210	if (S_ISDIR(inode->i_mode))
90586523	211	mask \|= FS_IN_ISDIR;
0eeca283	212
7c297722	213	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	214
c28f7e56	215	fsnotify_parent(dentry, mask);
47882c6f	216	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	217	}
	218
	219	/*
	220	* fsnotify_open - file was opened
	221	*/
	222	static inline void fsnotify_open(struct dentry *dentry)
	223	{
	224	struct inode *inode = dentry->d_inode;
90586523	225	__u32 mask = FS_OPEN;
0eeca283 RL	226
0eeca283 RL	227	if (S_ISDIR(inode->i_mode))
90586523	228	mask \|= FS_IN_ISDIR;
0eeca283	229
7c297722	230	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	231
c28f7e56	232	fsnotify_parent(dentry, mask);
47882c6f	233	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	234	}
	235
	236	/*
	237	* fsnotify_close - file was closed
	238	*/
	239	static inline void fsnotify_close(struct file *file)
	240	{
0f7fc9e4	241	struct dentry *dentry = file->f_path.dentry;
0eeca283	242	struct inode *inode = dentry->d_inode;
aeb5d727	243	fmode_t mode = file->f_mode;
90586523	244	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
0eeca283 RL	245
0eeca283 RL	246	if (S_ISDIR(inode->i_mode))
90586523	247	mask \|= FS_IN_ISDIR;
0eeca283	248
7c297722	249	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	250
c28f7e56	251	fsnotify_parent(dentry, mask);
47882c6f	252	fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
0eeca283 RL	253	}
	254
	255	/*
	256	* fsnotify_xattr - extended attributes were changed
	257	*/
	258	static inline void fsnotify_xattr(struct dentry *dentry)
	259	{
	260	struct inode *inode = dentry->d_inode;
90586523	261	__u32 mask = FS_ATTRIB;
0eeca283 RL	262
0eeca283 RL	263	if (S_ISDIR(inode->i_mode))
90586523	264	mask \|= FS_IN_ISDIR;
0eeca283	265
7c297722	266	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
90586523	267
c28f7e56	268	fsnotify_parent(dentry, mask);
47882c6f	269	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	270	}
	271
	272	/*
	273	* fsnotify_change - notify_change event. file was modified and/or metadata
	274	* was changed.
	275	*/
	276	static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
	277	{
	278	struct inode *inode = dentry->d_inode;
3c5119c0 EP	279	__u32 mask = 0;
	280
	281	if (ia_valid & ATTR_UID)
	282	mask \|= FS_ATTRIB;
	283	if (ia_valid & ATTR_GID)
	284	mask \|= FS_ATTRIB;
	285	if (ia_valid & ATTR_SIZE)
	286	mask \|= FS_MODIFY;
0eeca283	287
0eeca283 RL	288	/* both times implies a utime(s) call */
0eeca283 RL	289	if ((ia_valid & (ATTR_ATIME \| ATTR_MTIME)) == (ATTR_ATIME \| ATTR_MTIME))
3c5119c0 EP	290	mask \|= FS_ATTRIB;
	291	else if (ia_valid & ATTR_ATIME)
	292	mask \|= FS_ACCESS;
	293	else if (ia_valid & ATTR_MTIME)
	294	mask \|= FS_MODIFY;
	295
	296	if (ia_valid & ATTR_MODE)
	297	mask \|= FS_ATTRIB;
0eeca283	298
3c5119c0	299	if (mask) {
0eeca283	300	if (S_ISDIR(inode->i_mode))
3c5119c0 EP	301	mask \|= FS_IN_ISDIR;
3c5119c0 EP	302	inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
c28f7e56	303
3c5119c0	304	fsnotify_parent(dentry, mask);
47882c6f	305	fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
0eeca283 RL	306	}
	307	}
	308
90586523	309	#if defined(CONFIG_INOTIFY) \|\| defined(CONFIG_FSNOTIFY) /* notify helpers */
0eeca283 RL	310
	311	/*
	312	* fsnotify_oldname_init - save off the old filename before we change it
	313	*/
	314	static inline const char fsnotify_oldname_init(const char name)
	315	{
	316	return kstrdup(name, GFP_KERNEL);
	317	}
	318
	319	/*
	320	* fsnotify_oldname_free - free the name we got from fsnotify_oldname_init
	321	*/
	322	static inline void fsnotify_oldname_free(const char *old_name)
	323	{
	324	kfree(old_name);
	325	}
	326
90586523	327	#else /* CONFIG_INOTIFY \|\| CONFIG_FSNOTIFY */
0eeca283 RL	328
	329	static inline const char fsnotify_oldname_init(const char name)
	330	{
	331	return NULL;
	332	}
	333
	334	static inline void fsnotify_oldname_free(const char *old_name)
	335	{
	336	}
	337
	338	#endif /* ! CONFIG_INOTIFY */
	339
0eeca283	340	#endif /* _LINUX_FS_NOTIFY_H */