diff options
Diffstat (limited to 'fs/sysfs')
-rw-r--r-- | fs/sysfs/dir.c | 21 | ||||
-rw-r--r-- | fs/sysfs/file.c | 4 | ||||
-rw-r--r-- | fs/sysfs/inode.c | 17 | ||||
-rw-r--r-- | fs/sysfs/symlink.c | 4 | ||||
-rw-r--r-- | fs/sysfs/sysfs.h | 2 |
5 files changed, 16 insertions, 32 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 9504d4cb63eb..354675ad0965 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c | |||
@@ -30,7 +30,7 @@ static DEFINE_IDA(sysfs_ino_ida); | |||
30 | * Locking: | 30 | * Locking: |
31 | * mutex_lock(sysfs_mutex) | 31 | * mutex_lock(sysfs_mutex) |
32 | */ | 32 | */ |
33 | void sysfs_link_sibling(struct sysfs_dirent *sd) | 33 | static void sysfs_link_sibling(struct sysfs_dirent *sd) |
34 | { | 34 | { |
35 | struct sysfs_dirent *parent_sd = sd->s_parent; | 35 | struct sysfs_dirent *parent_sd = sd->s_parent; |
36 | 36 | ||
@@ -49,7 +49,7 @@ void sysfs_link_sibling(struct sysfs_dirent *sd) | |||
49 | * Locking: | 49 | * Locking: |
50 | * mutex_lock(sysfs_mutex) | 50 | * mutex_lock(sysfs_mutex) |
51 | */ | 51 | */ |
52 | void sysfs_unlink_sibling(struct sysfs_dirent *sd) | 52 | static void sysfs_unlink_sibling(struct sysfs_dirent *sd) |
53 | { | 53 | { |
54 | struct sysfs_dirent **pos; | 54 | struct sysfs_dirent **pos; |
55 | 55 | ||
@@ -500,6 +500,8 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) | |||
500 | inc_nlink(acxt->parent_inode); | 500 | inc_nlink(acxt->parent_inode); |
501 | 501 | ||
502 | acxt->cnt++; | 502 | acxt->cnt++; |
503 | |||
504 | sysfs_link_sibling(sd); | ||
503 | } | 505 | } |
504 | 506 | ||
505 | /** | 507 | /** |
@@ -521,7 +523,9 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) | |||
521 | */ | 523 | */ |
522 | void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) | 524 | void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) |
523 | { | 525 | { |
524 | BUG_ON(sd->s_sibling || (sd->s_flags & SYSFS_FLAG_REMOVED)); | 526 | BUG_ON(sd->s_flags & SYSFS_FLAG_REMOVED); |
527 | |||
528 | sysfs_unlink_sibling(sd); | ||
525 | 529 | ||
526 | sd->s_flags |= SYSFS_FLAG_REMOVED; | 530 | sd->s_flags |= SYSFS_FLAG_REMOVED; |
527 | sd->s_sibling = acxt->removed; | 531 | sd->s_sibling = acxt->removed; |
@@ -697,10 +701,8 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd, | |||
697 | /* link in */ | 701 | /* link in */ |
698 | sysfs_addrm_start(&acxt, parent_sd); | 702 | sysfs_addrm_start(&acxt, parent_sd); |
699 | 703 | ||
700 | if (!sysfs_find_dirent(parent_sd, name)) { | 704 | if (!sysfs_find_dirent(parent_sd, name)) |
701 | sysfs_add_one(&acxt, sd); | 705 | sysfs_add_one(&acxt, sd); |
702 | sysfs_link_sibling(sd); | ||
703 | } | ||
704 | 706 | ||
705 | if (!sysfs_addrm_finish(&acxt)) { | 707 | if (!sysfs_addrm_finish(&acxt)) { |
706 | sysfs_put(sd); | 708 | sysfs_put(sd); |
@@ -821,7 +823,6 @@ static void remove_dir(struct sysfs_dirent *sd) | |||
821 | struct sysfs_addrm_cxt acxt; | 823 | struct sysfs_addrm_cxt acxt; |
822 | 824 | ||
823 | sysfs_addrm_start(&acxt, sd->s_parent); | 825 | sysfs_addrm_start(&acxt, sd->s_parent); |
824 | sysfs_unlink_sibling(sd); | ||
825 | sysfs_remove_one(&acxt, sd); | 826 | sysfs_remove_one(&acxt, sd); |
826 | sysfs_addrm_finish(&acxt); | 827 | sysfs_addrm_finish(&acxt); |
827 | } | 828 | } |
@@ -846,11 +847,9 @@ static void __sysfs_remove_dir(struct sysfs_dirent *dir_sd) | |||
846 | while (*pos) { | 847 | while (*pos) { |
847 | struct sysfs_dirent *sd = *pos; | 848 | struct sysfs_dirent *sd = *pos; |
848 | 849 | ||
849 | if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR) { | 850 | if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR) |
850 | *pos = sd->s_sibling; | ||
851 | sd->s_sibling = NULL; | ||
852 | sysfs_remove_one(&acxt, sd); | 851 | sysfs_remove_one(&acxt, sd); |
853 | } else | 852 | else |
854 | pos = &(*pos)->s_sibling; | 853 | pos = &(*pos)->s_sibling; |
855 | } | 854 | } |
856 | sysfs_addrm_finish(&acxt); | 855 | sysfs_addrm_finish(&acxt); |
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index b21d11b46754..ea0e494d7d58 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c | |||
@@ -405,10 +405,8 @@ int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr, | |||
405 | 405 | ||
406 | sysfs_addrm_start(&acxt, dir_sd); | 406 | sysfs_addrm_start(&acxt, dir_sd); |
407 | 407 | ||
408 | if (!sysfs_find_dirent(dir_sd, attr->name)) { | 408 | if (!sysfs_find_dirent(dir_sd, attr->name)) |
409 | sysfs_add_one(&acxt, sd); | 409 | sysfs_add_one(&acxt, sd); |
410 | sysfs_link_sibling(sd); | ||
411 | } | ||
412 | 410 | ||
413 | if (!sysfs_addrm_finish(&acxt)) { | 411 | if (!sysfs_addrm_finish(&acxt)) { |
414 | sysfs_put(sd); | 412 | sysfs_put(sd); |
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 45128b79bc68..efb4062fe099 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c | |||
@@ -189,25 +189,16 @@ void sysfs_instantiate(struct dentry *dentry, struct inode *inode) | |||
189 | int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) | 189 | int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) |
190 | { | 190 | { |
191 | struct sysfs_addrm_cxt acxt; | 191 | struct sysfs_addrm_cxt acxt; |
192 | struct sysfs_dirent **pos, *sd; | 192 | struct sysfs_dirent *sd; |
193 | 193 | ||
194 | if (!dir_sd) | 194 | if (!dir_sd) |
195 | return -ENOENT; | 195 | return -ENOENT; |
196 | 196 | ||
197 | sysfs_addrm_start(&acxt, dir_sd); | 197 | sysfs_addrm_start(&acxt, dir_sd); |
198 | 198 | ||
199 | for (pos = &dir_sd->s_children; *pos; pos = &(*pos)->s_sibling) { | 199 | sd = sysfs_find_dirent(dir_sd, name); |
200 | sd = *pos; | 200 | if (sd) |
201 | 201 | sysfs_remove_one(&acxt, sd); | |
202 | if (!sysfs_type(sd)) | ||
203 | continue; | ||
204 | if (!strcmp(sd->s_name, name)) { | ||
205 | *pos = sd->s_sibling; | ||
206 | sd->s_sibling = NULL; | ||
207 | sysfs_remove_one(&acxt, sd); | ||
208 | break; | ||
209 | } | ||
210 | } | ||
211 | 202 | ||
212 | if (sysfs_addrm_finish(&acxt)) | 203 | if (sysfs_addrm_finish(&acxt)) |
213 | return 0; | 204 | return 0; |
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 90484533801e..c129f307936a 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c | |||
@@ -92,10 +92,8 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char | |||
92 | 92 | ||
93 | sysfs_addrm_start(&acxt, parent_sd); | 93 | sysfs_addrm_start(&acxt, parent_sd); |
94 | 94 | ||
95 | if (!sysfs_find_dirent(parent_sd, name)) { | 95 | if (!sysfs_find_dirent(parent_sd, name)) |
96 | sysfs_add_one(&acxt, sd); | 96 | sysfs_add_one(&acxt, sd); |
97 | sysfs_link_sibling(sd); | ||
98 | } | ||
99 | 97 | ||
100 | if (!sysfs_addrm_finish(&acxt)) { | 98 | if (!sysfs_addrm_finish(&acxt)) { |
101 | error = -EEXIST; | 99 | error = -EEXIST; |
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index b55e510ea239..32b8b64e5cf1 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h | |||
@@ -56,8 +56,6 @@ extern struct sysfs_dirent sysfs_root; | |||
56 | extern struct kmem_cache *sysfs_dir_cachep; | 56 | extern struct kmem_cache *sysfs_dir_cachep; |
57 | 57 | ||
58 | extern struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd); | 58 | extern struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd); |
59 | extern void sysfs_link_sibling(struct sysfs_dirent *sd); | ||
60 | extern void sysfs_unlink_sibling(struct sysfs_dirent *sd); | ||
61 | extern struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd); | 59 | extern struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd); |
62 | extern void sysfs_put_active(struct sysfs_dirent *sd); | 60 | extern void sysfs_put_active(struct sysfs_dirent *sd); |
63 | extern struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd); | 61 | extern struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd); |