diff options
| -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 9504d4cb63e..354675ad096 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -30,7 +30,7 @@ static DEFINE_IDA(sysfs_ino_ida); * Locking: * mutex_lock(sysfs_mutex) */ -void sysfs_link_sibling(struct sysfs_dirent *sd) +static void sysfs_link_sibling(struct sysfs_dirent *sd) { struct sysfs_dirent *parent_sd = sd->s_parent; @@ -49,7 +49,7 @@ void sysfs_link_sibling(struct sysfs_dirent *sd) * Locking: * mutex_lock(sysfs_mutex) */ -void sysfs_unlink_sibling(struct sysfs_dirent *sd) +static void sysfs_unlink_sibling(struct sysfs_dirent *sd) { struct sysfs_dirent **pos; @@ -500,6 +500,8 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) inc_nlink(acxt->parent_inode); acxt->cnt++; + + sysfs_link_sibling(sd); } /** @@ -521,7 +523,9 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) */ void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) { - BUG_ON(sd->s_sibling || (sd->s_flags & SYSFS_FLAG_REMOVED)); + BUG_ON(sd->s_flags & SYSFS_FLAG_REMOVED); + + sysfs_unlink_sibling(sd); sd->s_flags |= SYSFS_FLAG_REMOVED; sd->s_sibling = acxt->removed; @@ -697,10 +701,8 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd, /* link in */ sysfs_addrm_start(&acxt, parent_sd); - if (!sysfs_find_dirent(parent_sd, name)) { + if (!sysfs_find_dirent(parent_sd, name)) sysfs_add_one(&acxt, sd); - sysfs_link_sibling(sd); - } if (!sysfs_addrm_finish(&acxt)) { sysfs_put(sd); @@ -821,7 +823,6 @@ static void remove_dir(struct sysfs_dirent *sd) struct sysfs_addrm_cxt acxt; sysfs_addrm_start(&acxt, sd->s_parent); - sysfs_unlink_sibling(sd); sysfs_remove_one(&acxt, sd); sysfs_addrm_finish(&acxt); } @@ -846,11 +847,9 @@ static void __sysfs_remove_dir(struct sysfs_dirent *dir_sd) while (*pos) { struct sysfs_dirent *sd = *pos; - if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR) { - *pos = sd->s_sibling; - sd->s_sibling = NULL; + if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR) sysfs_remove_one(&acxt, sd); - } else + else pos = &(*pos)->s_sibling; } sysfs_addrm_finish(&acxt); diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index b21d11b4675..ea0e494d7d5 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, sysfs_addrm_start(&acxt, dir_sd); - if (!sysfs_find_dirent(dir_sd, attr->name)) { + if (!sysfs_find_dirent(dir_sd, attr->name)) sysfs_add_one(&acxt, sd); - sysfs_link_sibling(sd); - } if (!sysfs_addrm_finish(&acxt)) { sysfs_put(sd); diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 45128b79bc6..efb4062fe09 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -189,25 +189,16 @@ void sysfs_instantiate(struct dentry *dentry, struct inode *inode) int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) { struct sysfs_addrm_cxt acxt; - struct sysfs_dirent **pos, *sd; + struct sysfs_dirent *sd; if (!dir_sd) return -ENOENT; sysfs_addrm_start(&acxt, dir_sd); - for (pos = &dir_sd->s_children; *pos; pos = &(*pos)->s_sibling) { - sd = *pos; - - if (!sysfs_type(sd)) - continue; - if (!strcmp(sd->s_name, name)) { - *pos = sd->s_sibling; - sd->s_sibling = NULL; - sysfs_remove_one(&acxt, sd); - break; - } - } + sd = sysfs_find_dirent(dir_sd, name); + if (sd) + sysfs_remove_one(&acxt, sd); if (sysfs_addrm_finish(&acxt)) return 0; diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 90484533801..c129f307936 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 sysfs_addrm_start(&acxt, parent_sd); - if (!sysfs_find_dirent(parent_sd, name)) { + if (!sysfs_find_dirent(parent_sd, name)) sysfs_add_one(&acxt, sd); - sysfs_link_sibling(sd); - } if (!sysfs_addrm_finish(&acxt)) { error = -EEXIST; diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index b55e510ea23..32b8b64e5cf 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -56,8 +56,6 @@ extern struct sysfs_dirent sysfs_root; extern struct kmem_cache *sysfs_dir_cachep; extern struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd); -extern void sysfs_link_sibling(struct sysfs_dirent *sd); -extern void sysfs_unlink_sibling(struct sysfs_dirent *sd); extern struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd); extern void sysfs_put_active(struct sysfs_dirent *sd); extern struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd); |