22 static struct dentry *autofs_root_lookup(struct inode *,struct dentry *, struct nameidata *);
23 static int autofs_root_symlink(struct inode *,struct dentry *,const char *);
24 static int autofs_root_unlink(struct inode *,struct dentry *);
25 static int autofs_root_rmdir(struct inode *,struct dentry *);
26 static int autofs_root_mkdir(struct inode *,struct dentry *,int);
48 	struct inode * inode = filp->f_path.dentry->d_inode;  in autofs_root_readdir()
71 			if (!ent->dentry || d_mountpoint(ent->dentry)) {  in autofs_root_readdir()
85 static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, struct autofs_sb_info …  in try_to_fill_dentry()  argument
91 	if (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name))) {  in try_to_fill_dentry()
93 			if (status && dentry->d_inode) {  in try_to_fill_dentry()
95 …arning: lookup failure on positive dentry, status = %d, name = %s\n", status, dentry->d_name.name);  in try_to_fill_dentry()
101 				dentry->d_time = jiffies + AUTOFS_NEGATIVE_TIMEOUT;  in try_to_fill_dentry()
102 				dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;  in try_to_fill_dentry()
108 			status = autofs_wait(sbi, &dentry->d_name);  in try_to_fill_dentry()
109 		} while (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)));  in try_to_fill_dentry()
114 	dentry->d_time = (unsigned long) ent;  in try_to_fill_dentry()
116 	if (!dentry->d_inode) {  in try_to_fill_dentry()
122 		dentry->d_inode = inode;  in try_to_fill_dentry()
127 	if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) {  in try_to_fill_dentry()
128 		return !autofs_wait(sbi, &dentry->d_name);  in try_to_fill_dentry()
137 	dentry->d_flags &= ~DCACHE_AUTOFS_PENDING;  in try_to_fill_dentry()
148 static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd)  in autofs_revalidate()  argument
156 	dir = dentry->d_parent->d_inode;  in autofs_revalidate()
160 	if (dentry->d_flags & DCACHE_AUTOFS_PENDING) {  in autofs_revalidate()
164 			res = try_to_fill_dentry(dentry, dir->i_sb, sbi);  in autofs_revalidate()
170 	if (!dentry->d_inode) {  in autofs_revalidate()
172 		return (dentry->d_time - jiffies <= AUTOFS_NEGATIVE_TIMEOUT);  in autofs_revalidate()
176 	if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) {  in autofs_revalidate()
180 			res = try_to_fill_dentry(dentry, dir->i_sb, sbi);  in autofs_revalidate()
187 		ent = (struct autofs_dir_ent *) dentry->d_time;  in autofs_revalidate()
199 static struct dentry *autofs_root_lookup(struct inode *dir, struct dentry *dentry, struct nameidata…  in autofs_root_lookup()  argument
206 	autofs_say(dentry->d_name.name,dentry->d_name.len);  in autofs_root_lookup()
208 	if (dentry->d_name.len > NAME_MAX) {  in autofs_root_lookup()
231 	dentry->d_op = &autofs_dentry_operations;  in autofs_root_lookup()
232 	dentry->d_flags |= DCACHE_AUTOFS_PENDING;  in autofs_root_lookup()
233 	d_add(dentry, NULL);  in autofs_root_lookup()
236 	autofs_revalidate(dentry, nd);  in autofs_root_lookup()
243 	if (dentry->d_flags & DCACHE_AUTOFS_PENDING) {  in autofs_root_lookup()
263 	if (dentry->d_inode && d_unhashed(dentry))  in autofs_root_lookup()
269 static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const char *symname)  in autofs_root_symlink()  argument
280 	autofs_say(dentry->d_name.name,dentry->d_name.len);  in autofs_root_symlink()
288 	if (autofs_hash_lookup(dh, &dentry->d_name)) {  in autofs_root_symlink()
317 	ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL);  in autofs_root_symlink()
330 	ent->hash = dentry->d_name.hash;  in autofs_root_symlink()
331 	memcpy(ent->name, dentry->d_name.name, 1+(ent->len = dentry->d_name.len));  in autofs_root_symlink()
332 	ent->dentry = NULL;	/* We don't keep the dentry for symlinks */  in autofs_root_symlink()
340 	d_instantiate(dentry, inode);  in autofs_root_symlink()
356 static int autofs_root_unlink(struct inode *dir, struct dentry *dentry)  in autofs_root_unlink()  argument
370 	ent = autofs_hash_lookup(dh, &dentry->d_name);  in autofs_root_unlink()
386 	dentry->d_time = (unsigned long)(struct autofs_dirhash *)NULL;  in autofs_root_unlink()
390 	d_drop(dentry);  in autofs_root_unlink()
396 static int autofs_root_rmdir(struct inode *dir, struct dentry *dentry)  in autofs_root_rmdir()  argument
408 	ent = autofs_hash_lookup(dh, &dentry->d_name);  in autofs_root_rmdir()
419 	if (ent->dentry != dentry) {  in autofs_root_rmdir()
420 		printk("autofs_rmdir: odentry != dentry for entry %s\n", dentry->d_name.name);  in autofs_root_rmdir()
423 	dentry->d_time = (unsigned long)(struct autofs_dir_ent *)NULL;  in autofs_root_rmdir()
426 	d_drop(dentry);  in autofs_root_rmdir()
432 static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode)  in autofs_root_mkdir()  argument
446 	ent = autofs_hash_lookup(dh, &dentry->d_name);  in autofs_root_mkdir()
465 	ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL);  in autofs_root_mkdir()
472 	ent->hash = dentry->d_name.hash;  in autofs_root_mkdir()
473 	memcpy(ent->name, dentry->d_name.name, 1+(ent->len = dentry->d_name.len));  in autofs_root_mkdir()
475 	ent->dentry = dentry;  in autofs_root_mkdir()
486 	d_instantiate(dentry, inode);  in autofs_root_mkdir()