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-rw-r--r--fs/configfs/configfs_internal.h11
-rw-r--r--fs/configfs/dir.c36
-rw-r--r--fs/configfs/file.c19
-rw-r--r--fs/configfs/inode.c117
-rw-r--r--fs/configfs/mount.c28
-rw-r--r--fs/configfs/symlink.c1
6 files changed, 176 insertions, 36 deletions
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index 8899d9c5f6bf..f70e46951b37 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -36,6 +36,7 @@ struct configfs_dirent {
36 int s_type; 36 int s_type;
37 umode_t s_mode; 37 umode_t s_mode;
38 struct dentry * s_dentry; 38 struct dentry * s_dentry;
39 struct iattr * s_iattr;
39}; 40};
40 41
41#define CONFIGFS_ROOT 0x0001 42#define CONFIGFS_ROOT 0x0001
@@ -48,10 +49,11 @@ struct configfs_dirent {
48#define CONFIGFS_NOT_PINNED (CONFIGFS_ITEM_ATTR) 49#define CONFIGFS_NOT_PINNED (CONFIGFS_ITEM_ATTR)
49 50
50extern struct vfsmount * configfs_mount; 51extern struct vfsmount * configfs_mount;
52extern kmem_cache_t *configfs_dir_cachep;
51 53
52extern int configfs_is_root(struct config_item *item); 54extern int configfs_is_root(struct config_item *item);
53 55
54extern struct inode * configfs_new_inode(mode_t mode); 56extern struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent *);
55extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *)); 57extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *));
56 58
57extern int configfs_create_file(struct config_item *, const struct configfs_attribute *); 59extern int configfs_create_file(struct config_item *, const struct configfs_attribute *);
@@ -63,6 +65,7 @@ extern void configfs_hash_and_remove(struct dentry * dir, const char * name);
63 65
64extern const unsigned char * configfs_get_name(struct configfs_dirent *sd); 66extern const unsigned char * configfs_get_name(struct configfs_dirent *sd);
65extern void configfs_drop_dentry(struct configfs_dirent *sd, struct dentry *parent); 67extern void configfs_drop_dentry(struct configfs_dirent *sd, struct dentry *parent);
68extern int configfs_setattr(struct dentry *dentry, struct iattr *iattr);
66 69
67extern int configfs_pin_fs(void); 70extern int configfs_pin_fs(void);
68extern void configfs_release_fs(void); 71extern void configfs_release_fs(void);
@@ -120,8 +123,10 @@ static inline struct config_item *configfs_get_config_item(struct dentry *dentry
120 123
121static inline void release_configfs_dirent(struct configfs_dirent * sd) 124static inline void release_configfs_dirent(struct configfs_dirent * sd)
122{ 125{
123 if (!(sd->s_type & CONFIGFS_ROOT)) 126 if (!(sd->s_type & CONFIGFS_ROOT)) {
124 kfree(sd); 127 kfree(sd->s_iattr);
128 kmem_cache_free(configfs_dir_cachep, sd);
129 }
125} 130}
126 131
127static inline struct configfs_dirent * configfs_get(struct configfs_dirent * sd) 132static inline struct configfs_dirent * configfs_get(struct configfs_dirent * sd)
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index b668ec61527e..ca60e3abef45 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -72,7 +72,7 @@ static struct configfs_dirent *configfs_new_dirent(struct configfs_dirent * pare
72{ 72{
73 struct configfs_dirent * sd; 73 struct configfs_dirent * sd;
74 74
75 sd = kmalloc(sizeof(*sd), GFP_KERNEL); 75 sd = kmem_cache_alloc(configfs_dir_cachep, GFP_KERNEL);
76 if (!sd) 76 if (!sd)
77 return NULL; 77 return NULL;
78 78
@@ -136,13 +136,19 @@ static int create_dir(struct config_item * k, struct dentry * p,
136 int error; 136 int error;
137 umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO; 137 umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
138 138
139 error = configfs_create(d, mode, init_dir); 139 error = configfs_make_dirent(p->d_fsdata, d, k, mode,
140 CONFIGFS_DIR);
140 if (!error) { 141 if (!error) {
141 error = configfs_make_dirent(p->d_fsdata, d, k, mode, 142 error = configfs_create(d, mode, init_dir);
142 CONFIGFS_DIR);
143 if (!error) { 143 if (!error) {
144 p->d_inode->i_nlink++; 144 p->d_inode->i_nlink++;
145 (d)->d_op = &configfs_dentry_ops; 145 (d)->d_op = &configfs_dentry_ops;
146 } else {
147 struct configfs_dirent *sd = d->d_fsdata;
148 if (sd) {
149 list_del_init(&sd->s_sibling);
150 configfs_put(sd);
151 }
146 } 152 }
147 } 153 }
148 return error; 154 return error;
@@ -182,12 +188,19 @@ int configfs_create_link(struct configfs_symlink *sl,
182 int err = 0; 188 int err = 0;
183 umode_t mode = S_IFLNK | S_IRWXUGO; 189 umode_t mode = S_IFLNK | S_IRWXUGO;
184 190
185 err = configfs_create(dentry, mode, init_symlink); 191 err = configfs_make_dirent(parent->d_fsdata, dentry, sl, mode,
192 CONFIGFS_ITEM_LINK);
186 if (!err) { 193 if (!err) {
187 err = configfs_make_dirent(parent->d_fsdata, dentry, sl, 194 err = configfs_create(dentry, mode, init_symlink);
188 mode, CONFIGFS_ITEM_LINK);
189 if (!err) 195 if (!err)
190 dentry->d_op = &configfs_dentry_ops; 196 dentry->d_op = &configfs_dentry_ops;
197 else {
198 struct configfs_dirent *sd = dentry->d_fsdata;
199 if (sd) {
200 list_del_init(&sd->s_sibling);
201 configfs_put(sd);
202 }
203 }
191 } 204 }
192 return err; 205 return err;
193} 206}
@@ -241,13 +254,15 @@ static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * den
241 struct configfs_attribute * attr = sd->s_element; 254 struct configfs_attribute * attr = sd->s_element;
242 int error; 255 int error;
243 256
257 dentry->d_fsdata = configfs_get(sd);
258 sd->s_dentry = dentry;
244 error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG, init_file); 259 error = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG, init_file);
245 if (error) 260 if (error) {
261 configfs_put(sd);
246 return error; 262 return error;
263 }
247 264
248 dentry->d_op = &configfs_dentry_ops; 265 dentry->d_op = &configfs_dentry_ops;
249 dentry->d_fsdata = configfs_get(sd);
250 sd->s_dentry = dentry;
251 d_rehash(dentry); 266 d_rehash(dentry);
252 267
253 return 0; 268 return 0;
@@ -839,6 +854,7 @@ struct inode_operations configfs_dir_inode_operations = {
839 .symlink = configfs_symlink, 854 .symlink = configfs_symlink,
840 .unlink = configfs_unlink, 855 .unlink = configfs_unlink,
841 .lookup = configfs_lookup, 856 .lookup = configfs_lookup,
857 .setattr = configfs_setattr,
842}; 858};
843 859
844#if 0 860#if 0
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index c26cd61f13af..3921920d8716 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -26,7 +26,6 @@
26 26
27#include <linux/fs.h> 27#include <linux/fs.h>
28#include <linux/module.h> 28#include <linux/module.h>
29#include <linux/dnotify.h>
30#include <linux/slab.h> 29#include <linux/slab.h>
31#include <asm/uaccess.h> 30#include <asm/uaccess.h>
32#include <asm/semaphore.h> 31#include <asm/semaphore.h>
@@ -150,7 +149,7 @@ out:
150/** 149/**
151 * fill_write_buffer - copy buffer from userspace. 150 * fill_write_buffer - copy buffer from userspace.
152 * @buffer: data buffer for file. 151 * @buffer: data buffer for file.
153 * @userbuf: data from user. 152 * @buf: data from user.
154 * @count: number of bytes in @userbuf. 153 * @count: number of bytes in @userbuf.
155 * 154 *
156 * Allocate @buffer->page if it hasn't been already, then 155 * Allocate @buffer->page if it hasn't been already, then
@@ -177,8 +176,9 @@ fill_write_buffer(struct configfs_buffer * buffer, const char __user * buf, size
177 176
178/** 177/**
179 * flush_write_buffer - push buffer to config_item. 178 * flush_write_buffer - push buffer to config_item.
180 * @file: file pointer. 179 * @dentry: dentry to the attribute
181 * @buffer: data buffer for file. 180 * @buffer: data buffer for file.
181 * @count: number of bytes
182 * 182 *
183 * Get the correct pointers for the config_item and the attribute we're 183 * Get the correct pointers for the config_item and the attribute we're
184 * dealing with, then call the store() method for the attribute, 184 * dealing with, then call the store() method for the attribute,
@@ -217,15 +217,16 @@ static ssize_t
217configfs_write_file(struct file *file, const char __user *buf, size_t count, loff_t *ppos) 217configfs_write_file(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
218{ 218{
219 struct configfs_buffer * buffer = file->private_data; 219 struct configfs_buffer * buffer = file->private_data;
220 ssize_t len;
220 221
221 down(&buffer->sem); 222 down(&buffer->sem);
222 count = fill_write_buffer(buffer,buf,count); 223 len = fill_write_buffer(buffer, buf, count);
223 if (count > 0) 224 if (len > 0)
224 count = flush_write_buffer(file->f_dentry,buffer,count); 225 len = flush_write_buffer(file->f_dentry, buffer, count);
225 if (count > 0) 226 if (len > 0)
226 *ppos += count; 227 *ppos += len;
227 up(&buffer->sem); 228 up(&buffer->sem);
228 return count; 229 return len;
229} 230}
230 231
231static int check_perm(struct inode * inode, struct file * file) 232static int check_perm(struct inode * inode, struct file * file)
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 6577c588de9d..737842f2764b 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -31,6 +31,7 @@
31#include <linux/pagemap.h> 31#include <linux/pagemap.h>
32#include <linux/namei.h> 32#include <linux/namei.h>
33#include <linux/backing-dev.h> 33#include <linux/backing-dev.h>
34#include <linux/capability.h>
34 35
35#include <linux/configfs.h> 36#include <linux/configfs.h>
36#include "configfs_internal.h" 37#include "configfs_internal.h"
@@ -48,18 +49,107 @@ static struct backing_dev_info configfs_backing_dev_info = {
48 .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK, 49 .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
49}; 50};
50 51
51struct inode * configfs_new_inode(mode_t mode) 52static struct inode_operations configfs_inode_operations ={
53 .setattr = configfs_setattr,
54};
55
56int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
57{
58 struct inode * inode = dentry->d_inode;
59 struct configfs_dirent * sd = dentry->d_fsdata;
60 struct iattr * sd_iattr;
61 unsigned int ia_valid = iattr->ia_valid;
62 int error;
63
64 if (!sd)
65 return -EINVAL;
66
67 sd_iattr = sd->s_iattr;
68
69 error = inode_change_ok(inode, iattr);
70 if (error)
71 return error;
72
73 error = inode_setattr(inode, iattr);
74 if (error)
75 return error;
76
77 if (!sd_iattr) {
78 /* setting attributes for the first time, allocate now */
79 sd_iattr = kmalloc(sizeof(struct iattr), GFP_KERNEL);
80 if (!sd_iattr)
81 return -ENOMEM;
82 /* assign default attributes */
83 memset(sd_iattr, 0, sizeof(struct iattr));
84 sd_iattr->ia_mode = sd->s_mode;
85 sd_iattr->ia_uid = 0;
86 sd_iattr->ia_gid = 0;
87 sd_iattr->ia_atime = sd_iattr->ia_mtime = sd_iattr->ia_ctime = CURRENT_TIME;
88 sd->s_iattr = sd_iattr;
89 }
90
91 /* attributes were changed atleast once in past */
92
93 if (ia_valid & ATTR_UID)
94 sd_iattr->ia_uid = iattr->ia_uid;
95 if (ia_valid & ATTR_GID)
96 sd_iattr->ia_gid = iattr->ia_gid;
97 if (ia_valid & ATTR_ATIME)
98 sd_iattr->ia_atime = timespec_trunc(iattr->ia_atime,
99 inode->i_sb->s_time_gran);
100 if (ia_valid & ATTR_MTIME)
101 sd_iattr->ia_mtime = timespec_trunc(iattr->ia_mtime,
102 inode->i_sb->s_time_gran);
103 if (ia_valid & ATTR_CTIME)
104 sd_iattr->ia_ctime = timespec_trunc(iattr->ia_ctime,
105 inode->i_sb->s_time_gran);
106 if (ia_valid & ATTR_MODE) {
107 umode_t mode = iattr->ia_mode;
108
109 if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
110 mode &= ~S_ISGID;
111 sd_iattr->ia_mode = sd->s_mode = mode;
112 }
113
114 return error;
115}
116
117static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
118{
119 inode->i_mode = mode;
120 inode->i_uid = 0;
121 inode->i_gid = 0;
122 inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
123}
124
125static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
126{
127 inode->i_mode = iattr->ia_mode;
128 inode->i_uid = iattr->ia_uid;
129 inode->i_gid = iattr->ia_gid;
130 inode->i_atime = iattr->ia_atime;
131 inode->i_mtime = iattr->ia_mtime;
132 inode->i_ctime = iattr->ia_ctime;
133}
134
135struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd)
52{ 136{
53 struct inode * inode = new_inode(configfs_sb); 137 struct inode * inode = new_inode(configfs_sb);
54 if (inode) { 138 if (inode) {
55 inode->i_mode = mode;
56 inode->i_uid = 0;
57 inode->i_gid = 0;
58 inode->i_blksize = PAGE_CACHE_SIZE; 139 inode->i_blksize = PAGE_CACHE_SIZE;
59 inode->i_blocks = 0; 140 inode->i_blocks = 0;
60 inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
61 inode->i_mapping->a_ops = &configfs_aops; 141 inode->i_mapping->a_ops = &configfs_aops;
62 inode->i_mapping->backing_dev_info = &configfs_backing_dev_info; 142 inode->i_mapping->backing_dev_info = &configfs_backing_dev_info;
143 inode->i_op = &configfs_inode_operations;
144
145 if (sd->s_iattr) {
146 /* sysfs_dirent has non-default attributes
147 * get them for the new inode from persistent copy
148 * in sysfs_dirent
149 */
150 set_inode_attr(inode, sd->s_iattr);
151 } else
152 set_default_inode_attr(inode, mode);
63 } 153 }
64 return inode; 154 return inode;
65} 155}
@@ -70,7 +160,8 @@ int configfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *
70 struct inode * inode = NULL; 160 struct inode * inode = NULL;
71 if (dentry) { 161 if (dentry) {
72 if (!dentry->d_inode) { 162 if (!dentry->d_inode) {
73 if ((inode = configfs_new_inode(mode))) { 163 struct configfs_dirent *sd = dentry->d_fsdata;
164 if ((inode = configfs_new_inode(mode, sd))) {
74 if (dentry->d_parent && dentry->d_parent->d_inode) { 165 if (dentry->d_parent && dentry->d_parent->d_inode) {
75 struct inode *p_inode = dentry->d_parent->d_inode; 166 struct inode *p_inode = dentry->d_parent->d_inode;
76 p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME; 167 p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME;
@@ -103,7 +194,7 @@ int configfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *
103 */ 194 */
104const unsigned char * configfs_get_name(struct configfs_dirent *sd) 195const unsigned char * configfs_get_name(struct configfs_dirent *sd)
105{ 196{
106 struct attribute * attr; 197 struct configfs_attribute *attr;
107 198
108 if (!sd || !sd->s_element) 199 if (!sd || !sd->s_element)
109 BUG(); 200 BUG();
@@ -114,7 +205,7 @@ const unsigned char * configfs_get_name(struct configfs_dirent *sd)
114 205
115 if (sd->s_type & CONFIGFS_ITEM_ATTR) { 206 if (sd->s_type & CONFIGFS_ITEM_ATTR) {
116 attr = sd->s_element; 207 attr = sd->s_element;
117 return attr->name; 208 return attr->ca_name;
118 } 209 }
119 return NULL; 210 return NULL;
120} 211}
@@ -130,13 +221,17 @@ void configfs_drop_dentry(struct configfs_dirent * sd, struct dentry * parent)
130 221
131 if (dentry) { 222 if (dentry) {
132 spin_lock(&dcache_lock); 223 spin_lock(&dcache_lock);
224 spin_lock(&dentry->d_lock);
133 if (!(d_unhashed(dentry) && dentry->d_inode)) { 225 if (!(d_unhashed(dentry) && dentry->d_inode)) {
134 dget_locked(dentry); 226 dget_locked(dentry);
135 __d_drop(dentry); 227 __d_drop(dentry);
228 spin_unlock(&dentry->d_lock);
136 spin_unlock(&dcache_lock); 229 spin_unlock(&dcache_lock);
137 simple_unlink(parent->d_inode, dentry); 230 simple_unlink(parent->d_inode, dentry);
138 } else 231 } else {
232 spin_unlock(&dentry->d_lock);
139 spin_unlock(&dcache_lock); 233 spin_unlock(&dcache_lock);
234 }
140 } 235 }
141} 236}
142 237
@@ -145,6 +240,10 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
145 struct configfs_dirent * sd; 240 struct configfs_dirent * sd;
146 struct configfs_dirent * parent_sd = dir->d_fsdata; 241 struct configfs_dirent * parent_sd = dir->d_fsdata;
147 242
243 if (dir->d_inode == NULL)
244 /* no inode means this hasn't been made visible yet */
245 return;
246
148 mutex_lock(&dir->d_inode->i_mutex); 247 mutex_lock(&dir->d_inode->i_mutex);
149 list_for_each_entry(sd, &parent_sd->s_children, s_sibling) { 248 list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
150 if (!sd->s_element) 249 if (!sd->s_element)
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index 1a2f6f6a4d91..f920d30478e5 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -38,6 +38,7 @@
38 38
39struct vfsmount * configfs_mount = NULL; 39struct vfsmount * configfs_mount = NULL;
40struct super_block * configfs_sb = NULL; 40struct super_block * configfs_sb = NULL;
41kmem_cache_t *configfs_dir_cachep;
41static int configfs_mnt_count = 0; 42static int configfs_mnt_count = 0;
42 43
43static struct super_operations configfs_ops = { 44static struct super_operations configfs_ops = {
@@ -62,6 +63,7 @@ static struct configfs_dirent configfs_root = {
62 .s_children = LIST_HEAD_INIT(configfs_root.s_children), 63 .s_children = LIST_HEAD_INIT(configfs_root.s_children),
63 .s_element = &configfs_root_group.cg_item, 64 .s_element = &configfs_root_group.cg_item,
64 .s_type = CONFIGFS_ROOT, 65 .s_type = CONFIGFS_ROOT,
66 .s_iattr = NULL,
65}; 67};
66 68
67static int configfs_fill_super(struct super_block *sb, void *data, int silent) 69static int configfs_fill_super(struct super_block *sb, void *data, int silent)
@@ -73,9 +75,11 @@ static int configfs_fill_super(struct super_block *sb, void *data, int silent)
73 sb->s_blocksize_bits = PAGE_CACHE_SHIFT; 75 sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
74 sb->s_magic = CONFIGFS_MAGIC; 76 sb->s_magic = CONFIGFS_MAGIC;
75 sb->s_op = &configfs_ops; 77 sb->s_op = &configfs_ops;
78 sb->s_time_gran = 1;
76 configfs_sb = sb; 79 configfs_sb = sb;
77 80
78 inode = configfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO); 81 inode = configfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
82 &configfs_root);
79 if (inode) { 83 if (inode) {
80 inode->i_op = &configfs_dir_inode_operations; 84 inode->i_op = &configfs_dir_inode_operations;
81 inode->i_fop = &configfs_dir_operations; 85 inode->i_fop = &configfs_dir_operations;
@@ -128,19 +132,31 @@ static decl_subsys(config, NULL, NULL);
128 132
129static int __init configfs_init(void) 133static int __init configfs_init(void)
130{ 134{
131 int err; 135 int err = -ENOMEM;
136
137 configfs_dir_cachep = kmem_cache_create("configfs_dir_cache",
138 sizeof(struct configfs_dirent),
139 0, 0, NULL, NULL);
140 if (!configfs_dir_cachep)
141 goto out;
132 142
133 kset_set_kset_s(&config_subsys, kernel_subsys); 143 kset_set_kset_s(&config_subsys, kernel_subsys);
134 err = subsystem_register(&config_subsys); 144 err = subsystem_register(&config_subsys);
135 if (err) 145 if (err) {
136 return err; 146 kmem_cache_destroy(configfs_dir_cachep);
147 configfs_dir_cachep = NULL;
148 goto out;
149 }
137 150
138 err = register_filesystem(&configfs_fs_type); 151 err = register_filesystem(&configfs_fs_type);
139 if (err) { 152 if (err) {
140 printk(KERN_ERR "configfs: Unable to register filesystem!\n"); 153 printk(KERN_ERR "configfs: Unable to register filesystem!\n");
141 subsystem_unregister(&config_subsys); 154 subsystem_unregister(&config_subsys);
155 kmem_cache_destroy(configfs_dir_cachep);
156 configfs_dir_cachep = NULL;
142 } 157 }
143 158
159out:
144 return err; 160 return err;
145} 161}
146 162
@@ -148,11 +164,13 @@ static void __exit configfs_exit(void)
148{ 164{
149 unregister_filesystem(&configfs_fs_type); 165 unregister_filesystem(&configfs_fs_type);
150 subsystem_unregister(&config_subsys); 166 subsystem_unregister(&config_subsys);
167 kmem_cache_destroy(configfs_dir_cachep);
168 configfs_dir_cachep = NULL;
151} 169}
152 170
153MODULE_AUTHOR("Oracle"); 171MODULE_AUTHOR("Oracle");
154MODULE_LICENSE("GPL"); 172MODULE_LICENSE("GPL");
155MODULE_VERSION("0.0.1"); 173MODULE_VERSION("0.0.2");
156MODULE_DESCRIPTION("Simple RAM filesystem for user driven kernel subsystem configuration."); 174MODULE_DESCRIPTION("Simple RAM filesystem for user driven kernel subsystem configuration.");
157 175
158module_init(configfs_init); 176module_init(configfs_init);
diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index 50f5840521a9..99137026b409 100644
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -277,5 +277,6 @@ struct inode_operations configfs_symlink_inode_operations = {
277 .follow_link = configfs_follow_link, 277 .follow_link = configfs_follow_link,
278 .readlink = generic_readlink, 278 .readlink = generic_readlink,
279 .put_link = configfs_put_link, 279 .put_link = configfs_put_link,
280 .setattr = configfs_setattr,
280}; 281};
281 282