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Diffstat (limited to 'fs/btrfs/sysfs.c')
-rw-r--r--fs/btrfs/sysfs.c77
1 files changed, 0 insertions, 77 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 4ce16ef702a3..c3c223ae6691 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -174,86 +174,9 @@ static const struct sysfs_ops btrfs_root_attr_ops = {
174 .store = btrfs_root_attr_store, 174 .store = btrfs_root_attr_store,
175}; 175};
176 176
177static struct kobj_type btrfs_root_ktype = {
178 .default_attrs = btrfs_root_attrs,
179 .sysfs_ops = &btrfs_root_attr_ops,
180 .release = btrfs_root_release,
181};
182
183static struct kobj_type btrfs_super_ktype = {
184 .default_attrs = btrfs_super_attrs,
185 .sysfs_ops = &btrfs_super_attr_ops,
186 .release = btrfs_super_release,
187};
188
189/* /sys/fs/btrfs/ entry */ 177/* /sys/fs/btrfs/ entry */
190static struct kset *btrfs_kset; 178static struct kset *btrfs_kset;
191 179
192int btrfs_sysfs_add_super(struct btrfs_fs_info *fs)
193{
194 int error;
195 char *name;
196 char c;
197 int len = strlen(fs->sb->s_id) + 1;
198 int i;
199
200 name = kmalloc(len, GFP_NOFS);
201 if (!name) {
202 error = -ENOMEM;
203 goto fail;
204 }
205
206 for (i = 0; i < len; i++) {
207 c = fs->sb->s_id[i];
208 if (c == '/' || c == '\\')
209 c = '!';
210 name[i] = c;
211 }
212 name[len] = '\0';
213
214 fs->super_kobj.kset = btrfs_kset;
215 error = kobject_init_and_add(&fs->super_kobj, &btrfs_super_ktype,
216 NULL, "%s", name);
217 kfree(name);
218 if (error)
219 goto fail;
220
221 return 0;
222
223fail:
224 printk(KERN_ERR "btrfs: sysfs creation for super failed\n");
225 return error;
226}
227
228int btrfs_sysfs_add_root(struct btrfs_root *root)
229{
230 int error;
231
232 error = kobject_init_and_add(&root->root_kobj, &btrfs_root_ktype,
233 &root->fs_info->super_kobj,
234 "%s", root->name);
235 if (error)
236 goto fail;
237
238 return 0;
239
240fail:
241 printk(KERN_ERR "btrfs: sysfs creation for root failed\n");
242 return error;
243}
244
245void btrfs_sysfs_del_root(struct btrfs_root *root)
246{
247 kobject_put(&root->root_kobj);
248 wait_for_completion(&root->kobj_unregister);
249}
250
251void btrfs_sysfs_del_super(struct btrfs_fs_info *fs)
252{
253 kobject_put(&fs->super_kobj);
254 wait_for_completion(&fs->kobj_unregister);
255}
256
257int btrfs_init_sysfs(void) 180int btrfs_init_sysfs(void)
258{ 181{
259 btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj); 182 btrfs_kset = kset_create_and_add("btrfs", NULL, fs_kobj);