We don't need it anymore as persistent information is allocated lazily
and stashed in struct pid.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
fs/pidfs.c | 39 ---------------------------------------
1 file changed, 39 deletions(-)
diff --git a/fs/pidfs.c b/fs/pidfs.c
index 72aac4f7b7d5..c49c53d6ae51 100644
--- a/fs/pidfs.c
+++ b/fs/pidfs.c
@@ -27,7 +27,6 @@
#define PIDFS_PID_DEAD ERR_PTR(-ESRCH)
-static struct kmem_cache *pidfs_cachep __ro_after_init;
static struct kmem_cache *pidfs_attr_cachep __ro_after_init;
/*
@@ -45,15 +44,6 @@ struct pidfs_attr {
struct pidfs_exit_info *exit_info;
};
-struct pidfs_inode {
- struct inode vfs_inode;
-};
-
-static inline struct pidfs_inode *pidfs_i(struct inode *inode)
-{
- return container_of(inode, struct pidfs_inode, vfs_inode);
-}
-
static struct rb_root pidfs_ino_tree = RB_ROOT;
#if BITS_PER_LONG == 32
@@ -686,27 +676,9 @@ static void pidfs_evict_inode(struct inode *inode)
put_pid(pid);
}
-static struct inode *pidfs_alloc_inode(struct super_block *sb)
-{
- struct pidfs_inode *pi;
-
- pi = alloc_inode_sb(sb, pidfs_cachep, GFP_KERNEL);
- if (!pi)
- return NULL;
-
- return &pi->vfs_inode;
-}
-
-static void pidfs_free_inode(struct inode *inode)
-{
- kfree(pidfs_i(inode));
-}
-
static const struct super_operations pidfs_sops = {
- .alloc_inode = pidfs_alloc_inode,
.drop_inode = generic_delete_inode,
.evict_inode = pidfs_evict_inode,
- .free_inode = pidfs_free_inode,
.statfs = simple_statfs,
};
@@ -1067,19 +1039,8 @@ void pidfs_put_pid(struct pid *pid)
dput(pid->stashed);
}
-static void pidfs_inode_init_once(void *data)
-{
- struct pidfs_inode *pi = data;
-
- inode_init_once(&pi->vfs_inode);
-}
-
void __init pidfs_init(void)
{
- pidfs_cachep = kmem_cache_create("pidfs_cache", sizeof(struct pidfs_inode), 0,
- (SLAB_HWCACHE_ALIGN | SLAB_RECLAIM_ACCOUNT |
- SLAB_ACCOUNT | SLAB_PANIC),
- pidfs_inode_init_once);
pidfs_attr_cachep = kmem_cache_create("pidfs_attr_cache", sizeof(struct pidfs_attr), 0,
(SLAB_HWCACHE_ALIGN | SLAB_RECLAIM_ACCOUNT |
SLAB_ACCOUNT | SLAB_PANIC), NULL);
--
2.47.2
