diff options
Diffstat (limited to 'fs/kernfs/dir.c')
-rw-r--r-- | fs/kernfs/dir.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index d038bb204b54..bc8a3b367a8c 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c | |||
@@ -78,7 +78,7 @@ static int sysfs_link_sibling(struct kernfs_node *kn) | |||
78 | struct rb_node **node = &kn->parent->dir.children.rb_node; | 78 | struct rb_node **node = &kn->parent->dir.children.rb_node; |
79 | struct rb_node *parent = NULL; | 79 | struct rb_node *parent = NULL; |
80 | 80 | ||
81 | if (sysfs_type(kn) == SYSFS_DIR) | 81 | if (kernfs_type(kn) == KERNFS_DIR) |
82 | kn->parent->dir.subdirs++; | 82 | kn->parent->dir.subdirs++; |
83 | 83 | ||
84 | while (*node) { | 84 | while (*node) { |
@@ -113,7 +113,7 @@ static int sysfs_link_sibling(struct kernfs_node *kn) | |||
113 | */ | 113 | */ |
114 | static void sysfs_unlink_sibling(struct kernfs_node *kn) | 114 | static void sysfs_unlink_sibling(struct kernfs_node *kn) |
115 | { | 115 | { |
116 | if (sysfs_type(kn) == SYSFS_DIR) | 116 | if (kernfs_type(kn) == KERNFS_DIR) |
117 | kn->parent->dir.subdirs--; | 117 | kn->parent->dir.subdirs--; |
118 | 118 | ||
119 | rb_erase(&kn->rb, &kn->parent->dir.children); | 119 | rb_erase(&kn->rb, &kn->parent->dir.children); |
@@ -137,7 +137,7 @@ struct kernfs_node *sysfs_get_active(struct kernfs_node *kn) | |||
137 | if (!atomic_inc_unless_negative(&kn->active)) | 137 | if (!atomic_inc_unless_negative(&kn->active)) |
138 | return NULL; | 138 | return NULL; |
139 | 139 | ||
140 | if (kn->flags & SYSFS_FLAG_LOCKDEP) | 140 | if (kn->flags & KERNFS_LOCKDEP) |
141 | rwsem_acquire_read(&kn->dep_map, 0, 1, _RET_IP_); | 141 | rwsem_acquire_read(&kn->dep_map, 0, 1, _RET_IP_); |
142 | return kn; | 142 | return kn; |
143 | } | 143 | } |
@@ -156,10 +156,10 @@ void sysfs_put_active(struct kernfs_node *kn) | |||
156 | if (unlikely(!kn)) | 156 | if (unlikely(!kn)) |
157 | return; | 157 | return; |
158 | 158 | ||
159 | if (kn->flags & SYSFS_FLAG_LOCKDEP) | 159 | if (kn->flags & KERNFS_LOCKDEP) |
160 | rwsem_release(&kn->dep_map, 1, _RET_IP_); | 160 | rwsem_release(&kn->dep_map, 1, _RET_IP_); |
161 | v = atomic_dec_return(&kn->active); | 161 | v = atomic_dec_return(&kn->active); |
162 | if (likely(v != SD_DEACTIVATED_BIAS)) | 162 | if (likely(v != KN_DEACTIVATED_BIAS)) |
163 | return; | 163 | return; |
164 | 164 | ||
165 | /* | 165 | /* |
@@ -180,9 +180,9 @@ static void sysfs_deactivate(struct kernfs_node *kn) | |||
180 | DECLARE_COMPLETION_ONSTACK(wait); | 180 | DECLARE_COMPLETION_ONSTACK(wait); |
181 | int v; | 181 | int v; |
182 | 182 | ||
183 | BUG_ON(!(kn->flags & SYSFS_FLAG_REMOVED)); | 183 | BUG_ON(!(kn->flags & KERNFS_REMOVED)); |
184 | 184 | ||
185 | if (!(sysfs_type(kn) & SYSFS_ACTIVE_REF)) | 185 | if (!(kernfs_type(kn) & KERNFS_ACTIVE_REF)) |
186 | return; | 186 | return; |
187 | 187 | ||
188 | kn->u.completion = (void *)&wait; | 188 | kn->u.completion = (void *)&wait; |
@@ -191,9 +191,9 @@ static void sysfs_deactivate(struct kernfs_node *kn) | |||
191 | /* atomic_add_return() is a mb(), put_active() will always see | 191 | /* atomic_add_return() is a mb(), put_active() will always see |
192 | * the updated kn->u.completion. | 192 | * the updated kn->u.completion. |
193 | */ | 193 | */ |
194 | v = atomic_add_return(SD_DEACTIVATED_BIAS, &kn->active); | 194 | v = atomic_add_return(KN_DEACTIVATED_BIAS, &kn->active); |
195 | 195 | ||
196 | if (v != SD_DEACTIVATED_BIAS) { | 196 | if (v != KN_DEACTIVATED_BIAS) { |
197 | lock_contended(&kn->dep_map, _RET_IP_); | 197 | lock_contended(&kn->dep_map, _RET_IP_); |
198 | wait_for_completion(&wait); | 198 | wait_for_completion(&wait); |
199 | } | 199 | } |
@@ -235,13 +235,13 @@ void kernfs_put(struct kernfs_node *kn) | |||
235 | */ | 235 | */ |
236 | parent = kn->parent; | 236 | parent = kn->parent; |
237 | 237 | ||
238 | WARN(!(kn->flags & SYSFS_FLAG_REMOVED), | 238 | WARN(!(kn->flags & KERNFS_REMOVED), |
239 | "sysfs: free using entry: %s/%s\n", | 239 | "sysfs: free using entry: %s/%s\n", |
240 | parent ? parent->name : "", kn->name); | 240 | parent ? parent->name : "", kn->name); |
241 | 241 | ||
242 | if (sysfs_type(kn) == SYSFS_KOBJ_LINK) | 242 | if (kernfs_type(kn) == KERNFS_LINK) |
243 | kernfs_put(kn->symlink.target_kn); | 243 | kernfs_put(kn->symlink.target_kn); |
244 | if (sysfs_type(kn) & SYSFS_COPY_NAME) | 244 | if (kernfs_type(kn) & KERNFS_COPY_NAME) |
245 | kfree(kn->name); | 245 | kfree(kn->name); |
246 | if (kn->iattr) { | 246 | if (kn->iattr) { |
247 | if (kn->iattr->ia_secdata) | 247 | if (kn->iattr->ia_secdata) |
@@ -268,7 +268,7 @@ EXPORT_SYMBOL_GPL(kernfs_put); | |||
268 | static int sysfs_dentry_delete(const struct dentry *dentry) | 268 | static int sysfs_dentry_delete(const struct dentry *dentry) |
269 | { | 269 | { |
270 | struct kernfs_node *kn = dentry->d_fsdata; | 270 | struct kernfs_node *kn = dentry->d_fsdata; |
271 | return !(kn && !(kn->flags & SYSFS_FLAG_REMOVED)); | 271 | return !(kn && !(kn->flags & KERNFS_REMOVED)); |
272 | } | 272 | } |
273 | 273 | ||
274 | static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) | 274 | static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) |
@@ -282,7 +282,7 @@ static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) | |||
282 | mutex_lock(&sysfs_mutex); | 282 | mutex_lock(&sysfs_mutex); |
283 | 283 | ||
284 | /* The sysfs dirent has been deleted */ | 284 | /* The sysfs dirent has been deleted */ |
285 | if (kn->flags & SYSFS_FLAG_REMOVED) | 285 | if (kn->flags & KERNFS_REMOVED) |
286 | goto out_bad; | 286 | goto out_bad; |
287 | 287 | ||
288 | /* The sysfs dirent has been moved? */ | 288 | /* The sysfs dirent has been moved? */ |
@@ -342,7 +342,7 @@ struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root, | |||
342 | struct kernfs_node *kn; | 342 | struct kernfs_node *kn; |
343 | int ret; | 343 | int ret; |
344 | 344 | ||
345 | if (type & SYSFS_COPY_NAME) { | 345 | if (type & KERNFS_COPY_NAME) { |
346 | name = dup_name = kstrdup(name, GFP_KERNEL); | 346 | name = dup_name = kstrdup(name, GFP_KERNEL); |
347 | if (!name) | 347 | if (!name) |
348 | return NULL; | 348 | return NULL; |
@@ -362,7 +362,7 @@ struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root, | |||
362 | 362 | ||
363 | kn->name = name; | 363 | kn->name = name; |
364 | kn->mode = mode; | 364 | kn->mode = mode; |
365 | kn->flags = type | SYSFS_FLAG_REMOVED; | 365 | kn->flags = type | KERNFS_REMOVED; |
366 | 366 | ||
367 | return kn; | 367 | return kn; |
368 | 368 | ||
@@ -427,7 +427,7 @@ int sysfs_add_one(struct kernfs_addrm_cxt *acxt, struct kernfs_node *kn, | |||
427 | return -EINVAL; | 427 | return -EINVAL; |
428 | } | 428 | } |
429 | 429 | ||
430 | if (sysfs_type(parent) != SYSFS_DIR) | 430 | if (kernfs_type(parent) != KERNFS_DIR) |
431 | return -EINVAL; | 431 | return -EINVAL; |
432 | 432 | ||
433 | kn->hash = sysfs_name_hash(kn->name, kn->ns); | 433 | kn->hash = sysfs_name_hash(kn->name, kn->ns); |
@@ -446,7 +446,7 @@ int sysfs_add_one(struct kernfs_addrm_cxt *acxt, struct kernfs_node *kn, | |||
446 | } | 446 | } |
447 | 447 | ||
448 | /* Mark the entry added into directory tree */ | 448 | /* Mark the entry added into directory tree */ |
449 | kn->flags &= ~SYSFS_FLAG_REMOVED; | 449 | kn->flags &= ~KERNFS_REMOVED; |
450 | 450 | ||
451 | return 0; | 451 | return 0; |
452 | } | 452 | } |
@@ -475,7 +475,7 @@ static void sysfs_remove_one(struct kernfs_addrm_cxt *acxt, | |||
475 | * Removal can be called multiple times on the same node. Only the | 475 | * Removal can be called multiple times on the same node. Only the |
476 | * first invocation is effective and puts the base ref. | 476 | * first invocation is effective and puts the base ref. |
477 | */ | 477 | */ |
478 | if (kn->flags & SYSFS_FLAG_REMOVED) | 478 | if (kn->flags & KERNFS_REMOVED) |
479 | return; | 479 | return; |
480 | 480 | ||
481 | if (kn->parent) { | 481 | if (kn->parent) { |
@@ -489,7 +489,7 @@ static void sysfs_remove_one(struct kernfs_addrm_cxt *acxt, | |||
489 | } | 489 | } |
490 | } | 490 | } |
491 | 491 | ||
492 | kn->flags |= SYSFS_FLAG_REMOVED; | 492 | kn->flags |= KERNFS_REMOVED; |
493 | kn->u.removed_list = acxt->removed; | 493 | kn->u.removed_list = acxt->removed; |
494 | acxt->removed = kn; | 494 | acxt->removed = kn; |
495 | } | 495 | } |
@@ -607,14 +607,14 @@ struct kernfs_root *kernfs_create_root(void *priv) | |||
607 | 607 | ||
608 | ida_init(&root->ino_ida); | 608 | ida_init(&root->ino_ida); |
609 | 609 | ||
610 | kn = sysfs_new_dirent(root, "", S_IFDIR | S_IRUGO | S_IXUGO, SYSFS_DIR); | 610 | kn = sysfs_new_dirent(root, "", S_IFDIR | S_IRUGO | S_IXUGO, KERNFS_DIR); |
611 | if (!kn) { | 611 | if (!kn) { |
612 | ida_destroy(&root->ino_ida); | 612 | ida_destroy(&root->ino_ida); |
613 | kfree(root); | 613 | kfree(root); |
614 | return ERR_PTR(-ENOMEM); | 614 | return ERR_PTR(-ENOMEM); |
615 | } | 615 | } |
616 | 616 | ||
617 | kn->flags &= ~SYSFS_FLAG_REMOVED; | 617 | kn->flags &= ~KERNFS_REMOVED; |
618 | kn->priv = priv; | 618 | kn->priv = priv; |
619 | kn->dir.root = root; | 619 | kn->dir.root = root; |
620 | 620 | ||
@@ -654,7 +654,7 @@ struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent, | |||
654 | int rc; | 654 | int rc; |
655 | 655 | ||
656 | /* allocate */ | 656 | /* allocate */ |
657 | kn = sysfs_new_dirent(kernfs_root(parent), name, mode, SYSFS_DIR); | 657 | kn = sysfs_new_dirent(kernfs_root(parent), name, mode, KERNFS_DIR); |
658 | if (!kn) | 658 | if (!kn) |
659 | return ERR_PTR(-ENOMEM); | 659 | return ERR_PTR(-ENOMEM); |
660 | 660 | ||
@@ -732,7 +732,7 @@ static struct kernfs_node *sysfs_leftmost_descendant(struct kernfs_node *pos) | |||
732 | 732 | ||
733 | last = pos; | 733 | last = pos; |
734 | 734 | ||
735 | if (sysfs_type(pos) != SYSFS_DIR) | 735 | if (kernfs_type(pos) != KERNFS_DIR) |
736 | break; | 736 | break; |
737 | 737 | ||
738 | rbn = rb_first(&pos->dir.children); | 738 | rbn = rb_first(&pos->dir.children); |
@@ -914,7 +914,7 @@ static struct kernfs_node *sysfs_dir_pos(const void *ns, | |||
914 | struct kernfs_node *parent, loff_t hash, struct kernfs_node *pos) | 914 | struct kernfs_node *parent, loff_t hash, struct kernfs_node *pos) |
915 | { | 915 | { |
916 | if (pos) { | 916 | if (pos) { |
917 | int valid = !(pos->flags & SYSFS_FLAG_REMOVED) && | 917 | int valid = !(pos->flags & KERNFS_REMOVED) && |
918 | pos->parent == parent && hash == pos->hash; | 918 | pos->parent == parent && hash == pos->hash; |
919 | kernfs_put(pos); | 919 | kernfs_put(pos); |
920 | if (!valid) | 920 | if (!valid) |