diff options
Diffstat (limited to 'fs/kernfs/dir.c')
-rw-r--r-- | fs/kernfs/dir.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index bc8a3b367a8c..d3c66237474f 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -17,7 +17,7 @@ #include "kernfs-internal.h" -DEFINE_MUTEX(sysfs_mutex); +DEFINE_MUTEX(kernfs_mutex); #define rb_to_kn(X) rb_entry((X), struct kernfs_node, rb) @@ -68,7 +68,7 @@ static int sysfs_sd_compare(const struct kernfs_node *left, * @kn->parent->dir.children. * * Locking: - * mutex_lock(sysfs_mutex) + * mutex_lock(kernfs_mutex) * * RETURNS: * 0 on susccess -EEXIST on failure. @@ -109,7 +109,7 @@ static int sysfs_link_sibling(struct kernfs_node *kn) * kn->parent->dir.children. * * Locking: - * mutex_lock(sysfs_mutex) + * mutex_lock(kernfs_mutex) */ static void sysfs_unlink_sibling(struct kernfs_node *kn) { @@ -251,7 +251,7 @@ void kernfs_put(struct kernfs_node *kn) } kfree(kn->iattr); ida_simple_remove(&root->ino_ida, kn->ino); - kmem_cache_free(sysfs_dir_cachep, kn); + kmem_cache_free(kernfs_node_cache, kn); kn = parent; if (kn) { @@ -279,7 +279,7 @@ static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) return -ECHILD; kn = dentry->d_fsdata; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); /* The sysfs dirent has been deleted */ if (kn->flags & KERNFS_REMOVED) @@ -298,7 +298,7 @@ static int sysfs_dentry_revalidate(struct dentry *dentry, unsigned int flags) kernfs_info(dentry->d_sb)->ns != kn->ns) goto out_bad; - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); out_valid: return 1; out_bad: @@ -312,7 +312,7 @@ out_bad: * is performed at its new name the dentry will be readded * to the dcache hashes. */ - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); /* If we have submounts we must allow the vfs caches * to lie about the state of the filesystem to prevent @@ -329,7 +329,7 @@ static void sysfs_dentry_release(struct dentry *dentry) kernfs_put(dentry->d_fsdata); } -const struct dentry_operations sysfs_dentry_ops = { +const struct dentry_operations kernfs_dops = { .d_revalidate = sysfs_dentry_revalidate, .d_delete = sysfs_dentry_delete, .d_release = sysfs_dentry_release, @@ -348,7 +348,7 @@ struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root, return NULL; } - kn = kmem_cache_zalloc(sysfs_dir_cachep, GFP_KERNEL); + kn = kmem_cache_zalloc(kernfs_node_cache, GFP_KERNEL); if (!kn) goto err_out1; @@ -367,7 +367,7 @@ struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root, return kn; err_out2: - kmem_cache_free(sysfs_dir_cachep, kn); + kmem_cache_free(kernfs_node_cache, kn); err_out1: kfree(dup_name); return NULL; @@ -378,19 +378,19 @@ struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root, * @acxt: pointer to kernfs_addrm_cxt to be used * * This function is called when the caller is about to add or remove - * kernfs_node. This function acquires sysfs_mutex. @acxt is used to - * keep and pass context to other addrm functions. + * kernfs_node. This function acquires kernfs_mutex. @acxt is used + * to keep and pass context to other addrm functions. * * LOCKING: - * Kernel thread context (may sleep). sysfs_mutex is locked on + * Kernel thread context (may sleep). kernfs_mutex is locked on * return. */ void sysfs_addrm_start(struct kernfs_addrm_cxt *acxt) - __acquires(sysfs_mutex) + __acquires(kernfs_mutex) { memset(acxt, 0, sizeof(*acxt)); - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); } /** @@ -503,13 +503,13 @@ static void sysfs_remove_one(struct kernfs_addrm_cxt *acxt, * cleaned up. * * LOCKING: - * sysfs_mutex is released. + * kernfs_mutex is released. */ void sysfs_addrm_finish(struct kernfs_addrm_cxt *acxt) - __releases(sysfs_mutex) + __releases(kernfs_mutex) { /* release resources acquired by sysfs_addrm_start() */ - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); /* kill removed kernfs_nodes */ while (acxt->removed) { @@ -540,7 +540,7 @@ static struct kernfs_node *kernfs_find_ns(struct kernfs_node *parent, bool has_ns = kernfs_ns_enabled(parent); unsigned int hash; - lockdep_assert_held(&sysfs_mutex); + lockdep_assert_held(&kernfs_mutex); if (has_ns != (bool)ns) { WARN(1, KERN_WARNING "sysfs: ns %s in '%s' for '%s'\n", @@ -580,10 +580,10 @@ struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent, { struct kernfs_node *kn; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); kn = kernfs_find_ns(parent, name, ns); kernfs_get(kn); - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); return kn; } @@ -683,7 +683,7 @@ static struct dentry *sysfs_lookup(struct inode *dir, struct dentry *dentry, struct inode *inode; const void *ns = NULL; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); if (kernfs_ns_enabled(parent)) ns = kernfs_info(dir->i_sb)->ns; @@ -708,11 +708,11 @@ static struct dentry *sysfs_lookup(struct inode *dir, struct dentry *dentry, /* instantiate and hash dentry */ ret = d_materialise_unique(dentry, inode); out_unlock: - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); return ret; } -const struct inode_operations sysfs_dir_inode_operations = { +const struct inode_operations kernfs_dir_iops = { .lookup = sysfs_lookup, .permission = sysfs_permission, .setattr = sysfs_setattr, @@ -759,7 +759,7 @@ static struct kernfs_node *sysfs_next_descendant_post(struct kernfs_node *pos, { struct rb_node *rbn; - lockdep_assert_held(&sysfs_mutex); + lockdep_assert_held(&kernfs_mutex); /* if first iteration, visit leftmost descendant which may be root */ if (!pos) @@ -859,7 +859,7 @@ int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent, { int error; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); error = 0; if ((kn->parent == new_parent) && (kn->ns == new_ns) && @@ -894,7 +894,7 @@ int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent, error = 0; out: - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); return error; } @@ -968,7 +968,7 @@ static int sysfs_readdir(struct file *file, struct dir_context *ctx) if (!dir_emit_dots(file, ctx)) return 0; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); if (kernfs_ns_enabled(parent)) ns = kernfs_info(dentry->d_sb)->ns; @@ -985,12 +985,12 @@ static int sysfs_readdir(struct file *file, struct dir_context *ctx) file->private_data = pos; kernfs_get(pos); - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); if (!dir_emit(ctx, name, len, ino, type)) return 0; - mutex_lock(&sysfs_mutex); + mutex_lock(&kernfs_mutex); } - mutex_unlock(&sysfs_mutex); + mutex_unlock(&kernfs_mutex); file->private_data = NULL; ctx->pos = INT_MAX; return 0; @@ -1008,7 +1008,7 @@ static loff_t sysfs_dir_llseek(struct file *file, loff_t offset, int whence) return ret; } -const struct file_operations sysfs_dir_operations = { +const struct file_operations kernfs_dir_fops = { .read = generic_read_dir, .iterate = sysfs_readdir, .release = sysfs_dir_release, |