aboutsummaryrefslogtreecommitdiffstats
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/debugfs/inode.c12
-rw-r--r--fs/sysfs/dir.c5
-rw-r--r--fs/sysfs/file.c5
-rw-r--r--fs/sysfs/group.c4
-rw-r--r--fs/sysfs/inode.c10
-rw-r--r--fs/sysfs/sysfs.h1
6 files changed, 10 insertions, 27 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index b529786699e7..a86ac4aeaedb 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -110,16 +110,6 @@ static int debug_fill_super(struct super_block *sb, void *data, int silent)
110 return simple_fill_super(sb, DEBUGFS_MAGIC, debug_files); 110 return simple_fill_super(sb, DEBUGFS_MAGIC, debug_files);
111} 111}
112 112
113static struct dentry * get_dentry(struct dentry *parent, const char *name)
114{
115 struct qstr qstr;
116
117 qstr.name = name;
118 qstr.len = strlen(name);
119 qstr.hash = full_name_hash(name,qstr.len);
120 return lookup_hash(&qstr,parent);
121}
122
123static struct super_block *debug_get_sb(struct file_system_type *fs_type, 113static struct super_block *debug_get_sb(struct file_system_type *fs_type,
124 int flags, const char *dev_name, 114 int flags, const char *dev_name,
125 void *data) 115 void *data)
@@ -157,7 +147,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
157 147
158 *dentry = NULL; 148 *dentry = NULL;
159 down(&parent->d_inode->i_sem); 149 down(&parent->d_inode->i_sem);
160 *dentry = get_dentry (parent, name); 150 *dentry = lookup_one_len(name, parent, strlen(name));
161 if (!IS_ERR(dentry)) { 151 if (!IS_ERR(dentry)) {
162 if ((mode & S_IFMT) == S_IFDIR) 152 if ((mode & S_IFMT) == S_IFDIR)
163 error = debugfs_mkdir(parent->d_inode, *dentry, mode); 153 error = debugfs_mkdir(parent->d_inode, *dentry, mode);
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 37d7a6875d86..59734ba1ee60 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -8,6 +8,7 @@
8#include <linux/mount.h> 8#include <linux/mount.h>
9#include <linux/module.h> 9#include <linux/module.h>
10#include <linux/kobject.h> 10#include <linux/kobject.h>
11#include <linux/namei.h>
11#include "sysfs.h" 12#include "sysfs.h"
12 13
13DECLARE_RWSEM(sysfs_rename_sem); 14DECLARE_RWSEM(sysfs_rename_sem);
@@ -99,7 +100,7 @@ static int create_dir(struct kobject * k, struct dentry * p,
99 umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO; 100 umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
100 101
101 down(&p->d_inode->i_sem); 102 down(&p->d_inode->i_sem);
102 *d = sysfs_get_dentry(p,n); 103 *d = lookup_one_len(n, p, strlen(n));
103 if (!IS_ERR(*d)) { 104 if (!IS_ERR(*d)) {
104 error = sysfs_make_dirent(p->d_fsdata, *d, k, mode, SYSFS_DIR); 105 error = sysfs_make_dirent(p->d_fsdata, *d, k, mode, SYSFS_DIR);
105 if (!error) { 106 if (!error) {
@@ -315,7 +316,7 @@ int sysfs_rename_dir(struct kobject * kobj, const char *new_name)
315 316
316 down(&parent->d_inode->i_sem); 317 down(&parent->d_inode->i_sem);
317 318
318 new_dentry = sysfs_get_dentry(parent, new_name); 319 new_dentry = lookup_one_len(new_name, parent, strlen(new_name));
319 if (!IS_ERR(new_dentry)) { 320 if (!IS_ERR(new_dentry)) {
320 if (!new_dentry->d_inode) { 321 if (!new_dentry->d_inode) {
321 error = kobject_set_name(kobj, "%s", new_name); 322 error = kobject_set_name(kobj, "%s", new_name);
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 849aac115460..e9cfa39f4099 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -5,6 +5,7 @@
5#include <linux/module.h> 5#include <linux/module.h>
6#include <linux/dnotify.h> 6#include <linux/dnotify.h>
7#include <linux/kobject.h> 7#include <linux/kobject.h>
8#include <linux/namei.h>
8#include <asm/uaccess.h> 9#include <asm/uaccess.h>
9#include <asm/semaphore.h> 10#include <asm/semaphore.h>
10 11
@@ -400,7 +401,7 @@ int sysfs_update_file(struct kobject * kobj, const struct attribute * attr)
400 int res = -ENOENT; 401 int res = -ENOENT;
401 402
402 down(&dir->d_inode->i_sem); 403 down(&dir->d_inode->i_sem);
403 victim = sysfs_get_dentry(dir, attr->name); 404 victim = lookup_one_len(attr->name, dir, strlen(attr->name));
404 if (!IS_ERR(victim)) { 405 if (!IS_ERR(victim)) {
405 /* make sure dentry is really there */ 406 /* make sure dentry is really there */
406 if (victim->d_inode && 407 if (victim->d_inode &&
@@ -443,7 +444,7 @@ int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
443 int res = -ENOENT; 444 int res = -ENOENT;
444 445
445 down(&dir->d_inode->i_sem); 446 down(&dir->d_inode->i_sem);
446 victim = sysfs_get_dentry(dir, attr->name); 447 victim = lookup_one_len(attr->name, dir, strlen(attr->name));
447 if (!IS_ERR(victim)) { 448 if (!IS_ERR(victim)) {
448 if (victim->d_inode && 449 if (victim->d_inode &&
449 (victim->d_parent->d_inode == dir->d_inode)) { 450 (victim->d_parent->d_inode == dir->d_inode)) {
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index f11ac5ea7021..122145b0895c 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -11,6 +11,7 @@
11#include <linux/kobject.h> 11#include <linux/kobject.h>
12#include <linux/module.h> 12#include <linux/module.h>
13#include <linux/dcache.h> 13#include <linux/dcache.h>
14#include <linux/namei.h>
14#include <linux/err.h> 15#include <linux/err.h>
15#include "sysfs.h" 16#include "sysfs.h"
16 17
@@ -68,7 +69,8 @@ void sysfs_remove_group(struct kobject * kobj,
68 struct dentry * dir; 69 struct dentry * dir;
69 70
70 if (grp->name) 71 if (grp->name)
71 dir = sysfs_get_dentry(kobj->dentry,grp->name); 72 dir = lookup_one_len(grp->name, kobj->dentry,
73 strlen(grp->name));
72 else 74 else
73 dir = dget(kobj->dentry); 75 dir = dget(kobj->dentry);
74 76
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 565cac1d4200..8de13bafaa76 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -166,16 +166,6 @@ int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
166 return error; 166 return error;
167} 167}
168 168
169struct dentry * sysfs_get_dentry(struct dentry * parent, const char * name)
170{
171 struct qstr qstr;
172
173 qstr.name = name;
174 qstr.len = strlen(name);
175 qstr.hash = full_name_hash(name,qstr.len);
176 return lookup_hash(&qstr,parent);
177}
178
179/* 169/*
180 * Get the name for corresponding element represented by the given sysfs_dirent 170 * Get the name for corresponding element represented by the given sysfs_dirent
181 */ 171 */
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 29da6f5f07c8..3f8953e0e5d0 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -7,7 +7,6 @@ extern int sysfs_create(struct dentry *, int mode, int (*init)(struct inode *));
7 7
8extern int sysfs_make_dirent(struct sysfs_dirent *, struct dentry *, void *, 8extern int sysfs_make_dirent(struct sysfs_dirent *, struct dentry *, void *,
9 umode_t, int); 9 umode_t, int);
10extern struct dentry * sysfs_get_dentry(struct dentry *, const char *);
11 10
12extern int sysfs_add_file(struct dentry *, const struct attribute *, int); 11extern int sysfs_add_file(struct dentry *, const struct attribute *, int);
13extern void sysfs_hash_and_remove(struct dentry * dir, const char * name); 12extern void sysfs_hash_and_remove(struct dentry * dir, const char * name);