diff options
| -rw-r--r-- | fs/kernfs/dir.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index a62960fdf73f..bce1d7ac95ca 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -27,7 +27,7 @@ static DEFINE_RWLOCK(kernfs_rename_lock); /* kn->parent and ->name */ */ static DEFINE_SPINLOCK(kernfs_pr_cont_lock); static char kernfs_pr_cont_buf[PATH_MAX]; /* protected by pr_cont_lock */ -static DEFINE_RAW_SPINLOCK(kernfs_idr_lock); /* root->ino_idr */ +static DEFINE_SPINLOCK(kernfs_idr_lock); /* root->ino_idr */ #define rb_to_kn(X) rb_entry((X), struct kernfs_node, rb) @@ -539,7 +539,6 @@ void kernfs_put(struct kernfs_node *kn) { struct kernfs_node *parent; struct kernfs_root *root; - unsigned long flags; if (!kn || !atomic_dec_and_test(&kn->count)) return; @@ -564,9 +563,9 @@ void kernfs_put(struct kernfs_node *kn) simple_xattrs_free(&kn->iattr->xattrs, NULL); kmem_cache_free(kernfs_iattrs_cache, kn->iattr); } - raw_spin_lock_irqsave(&kernfs_idr_lock, flags); + spin_lock(&kernfs_idr_lock); idr_remove(&root->ino_idr, (u32)kernfs_ino(kn)); - raw_spin_unlock_irqrestore(&kernfs_idr_lock, flags); + spin_unlock(&kernfs_idr_lock); kmem_cache_free(kernfs_node_cache, kn); kn = parent; @@ -608,7 +607,6 @@ static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root, struct kernfs_node *kn; u32 id_highbits; int ret; - unsigned long irqflags; name = kstrdup_const(name, GFP_KERNEL); if (!name) @@ -619,13 +617,13 @@ static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root, goto err_out1; idr_preload(GFP_KERNEL); - raw_spin_lock_irqsave(&kernfs_idr_lock, irqflags); + spin_lock(&kernfs_idr_lock); ret = idr_alloc_cyclic(&root->ino_idr, kn, 1, 0, GFP_ATOMIC); if (ret >= 0 && ret < root->last_id_lowbits) root->id_highbits++; id_highbits = root->id_highbits; root->last_id_lowbits = ret; - raw_spin_unlock_irqrestore(&kernfs_idr_lock, irqflags); + spin_unlock(&kernfs_idr_lock); idr_preload_end(); if (ret < 0) goto err_out2; @@ -661,9 +659,9 @@ static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root, return kn; err_out3: - raw_spin_lock_irqsave(&kernfs_idr_lock, irqflags); + spin_lock(&kernfs_idr_lock); idr_remove(&root->ino_idr, (u32)kernfs_ino(kn)); - raw_spin_unlock_irqrestore(&kernfs_idr_lock, irqflags); + spin_unlock(&kernfs_idr_lock); err_out2: kmem_cache_free(kernfs_node_cache, kn); err_out1: @@ -716,9 +714,8 @@ struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root, struct kernfs_node *kn; ino_t ino = kernfs_id_ino(id); u32 gen = kernfs_id_gen(id); - unsigned long flags; - raw_spin_lock_irqsave(&kernfs_idr_lock, flags); + spin_lock(&kernfs_idr_lock); kn = idr_find(&root->ino_idr, (u32)ino); if (!kn) @@ -742,10 +739,10 @@ struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root, if (unlikely(!__kernfs_active(kn) || !atomic_inc_not_zero(&kn->count))) goto err_unlock; - raw_spin_unlock_irqrestore(&kernfs_idr_lock, flags); + spin_unlock(&kernfs_idr_lock); return kn; err_unlock: - raw_spin_unlock_irqrestore(&kernfs_idr_lock, flags); + spin_unlock(&kernfs_idr_lock); return NULL; } |