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Diffstat (limited to 'fs/file_table.c')
-rw-r--r--fs/file_table.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index ca7843dde56d..861c03608e83 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -155,7 +155,6 @@ static int init_file(struct file *f, int flags, const struct cred *cred)
return error;
}
- rwlock_init(&f->f_owner.lock);
spin_lock_init(&f->f_lock);
mutex_init(&f->f_pos_lock);
f->f_flags = flags;
@@ -425,7 +424,7 @@ static void __fput(struct file *file)
cdev_put(inode->i_cdev);
}
fops_put(file->f_op);
- put_pid(file->f_owner.pid);
+ file_f_owner_release(file);
put_file_access(file);
dput(dentry);
if (unlikely(mode & FMODE_NEED_UNMOUNT))
@@ -512,9 +511,14 @@ EXPORT_SYMBOL(__fput_sync);
void __init files_init(void)
{
- filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
- SLAB_TYPESAFE_BY_RCU | SLAB_HWCACHE_ALIGN |
- SLAB_PANIC | SLAB_ACCOUNT, NULL);
+ struct kmem_cache_args args = {
+ .use_freeptr_offset = true,
+ .freeptr_offset = offsetof(struct file, f_freeptr),
+ };
+
+ filp_cachep = kmem_cache_create("filp", sizeof(struct file), &args,
+ SLAB_HWCACHE_ALIGN | SLAB_PANIC |
+ SLAB_ACCOUNT | SLAB_TYPESAFE_BY_RCU);
percpu_counter_init(&nr_files, 0, GFP_KERNEL);
}