diff options
| -rw-r--r-- | fs/sysfs/dir.c | 47 | ||||
| -rw-r--r-- | fs/sysfs/group.c | 4 | ||||
| -rw-r--r-- | fs/sysfs/inode.c | 2 | ||||
| -rw-r--r-- | fs/sysfs/sysfs.h | 4 |
4 files changed, 29 insertions, 28 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 0cdfd8128d3e..b518afd0d11e 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -545,7 +545,8 @@ int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd, * LOCKING: * Determined by sysfs_addrm_start(). */ -void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) +static void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, + struct sysfs_dirent *sd) { struct sysfs_inode_attrs *ps_iattr; @@ -775,20 +776,6 @@ const struct inode_operations sysfs_dir_inode_operations = { .setxattr = sysfs_setxattr, }; -static void remove_dir(struct sysfs_dirent *sd) -{ - struct sysfs_addrm_cxt acxt; - - sysfs_addrm_start(&acxt); - sysfs_remove_one(&acxt, sd); - sysfs_addrm_finish(&acxt); -} - -void sysfs_remove_subdir(struct sysfs_dirent *sd) -{ - remove_dir(sd); -} - static struct sysfs_dirent *sysfs_leftmost_descendant(struct sysfs_dirent *pos) { struct sysfs_dirent *last; @@ -844,25 +831,36 @@ static struct sysfs_dirent *sysfs_next_descendant_post(struct sysfs_dirent *pos, return pos->s_parent; } -static void __sysfs_remove_dir(struct sysfs_dirent *dir_sd) +void __sysfs_remove(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) { - struct sysfs_addrm_cxt acxt; struct sysfs_dirent *pos, *next; - if (!dir_sd) + if (!sd) return; - pr_debug("sysfs %s: removing dir\n", dir_sd->s_name); - sysfs_addrm_start(&acxt); + pr_debug("sysfs %s: removing\n", sd->s_name); next = NULL; do { pos = next; - next = sysfs_next_descendant_post(pos, dir_sd); + next = sysfs_next_descendant_post(pos, sd); if (pos) - sysfs_remove_one(&acxt, pos); + sysfs_remove_one(acxt, pos); } while (next); +} +/** + * sysfs_remove - remove a sysfs_dirent recursively + * @sd: the sysfs_dirent to remove + * + * Remove @sd along with all its subdirectories and files. + */ +void sysfs_remove(struct sysfs_dirent *sd) +{ + struct sysfs_addrm_cxt acxt; + + sysfs_addrm_start(&acxt); + __sysfs_remove(&acxt, sd); sysfs_addrm_finish(&acxt); } @@ -882,7 +880,10 @@ void sysfs_remove_dir(struct kobject *kobj) kobj->sd = NULL; spin_unlock(&sysfs_assoc_lock); - __sysfs_remove_dir(sd); + if (sd) { + WARN_ON_ONCE(sysfs_type(sd) != SYSFS_DIR); + sysfs_remove(sd); + } } int sysfs_rename(struct sysfs_dirent *sd, struct sysfs_dirent *new_parent_sd, diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c index 2dae55c4f7dc..1898a10e38ce 100644 --- a/fs/sysfs/group.c +++ b/fs/sysfs/group.c @@ -111,7 +111,7 @@ static int internal_create_group(struct kobject *kobj, int update, error = create_files(sd, kobj, grp, update); if (error) { if (grp->name) - sysfs_remove_subdir(sd); + sysfs_remove(sd); } sysfs_put(sd); return error; @@ -219,7 +219,7 @@ void sysfs_remove_group(struct kobject *kobj, remove_files(sd, kobj, grp); if (grp->name) - sysfs_remove_subdir(sd); + sysfs_remove(sd); sysfs_put(sd); } diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 364c8873fbda..63f755ef71dd 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -330,7 +330,7 @@ int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name, sd = sysfs_find_dirent(dir_sd, name, ns); if (sd) - sysfs_remove_one(&acxt, sd); + __sysfs_remove(&acxt, sd); sysfs_addrm_finish(&acxt); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 4d1154411cdb..4b1d8258b071 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -158,7 +158,8 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd, struct sysfs_dirent *parent_sd); int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd, struct sysfs_dirent *parent_sd); -void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd); +void __sysfs_remove(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd); +void sysfs_remove(struct sysfs_dirent *sd); void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt); struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd, @@ -170,7 +171,6 @@ void release_sysfs_dirent(struct sysfs_dirent *sd); int sysfs_create_subdir(struct kobject *kobj, const char *name, struct sysfs_dirent **p_sd); -void sysfs_remove_subdir(struct sysfs_dirent *sd); int sysfs_rename(struct sysfs_dirent *sd, struct sysfs_dirent *new_parent_sd, const char *new_name, const void *new_ns); |