diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index d5b232b48f..c1a5802eea 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -81,7 +81,17 @@ struct inode { struct list_head i_sb_list; struct list_head i_dentry; unsigned long i_ino; - unsigned int i_nlink; + /* + * Filesystems may only read i_nlink directly. They shall use the + * following functions for modification: + * + * (set|clear|inc|drop)_nlink + * inode_(inc|dec)_link_count + */ + union { + const unsigned int i_nlink; + unsigned int __i_nlink; + }; uid_t i_uid; gid_t i_gid; dev_t i_rdev; @@ -170,7 +180,7 @@ struct super_block { struct block_device *s_bdev; struct mtd_info *s_mtd; - struct list_head s_instances; + struct hlist_node s_instances; int s_frozen; wait_queue_head_t s_wait_unfrozen; @@ -200,6 +210,8 @@ struct super_block { * generic_show_options() */ char *s_options; + + /* Number of inodes with nlink == 0 but still referenced */ }; struct file_system_type { @@ -210,7 +222,7 @@ struct file_system_type { void (*kill_sb) (struct super_block *); struct module *owner; struct file_system_type * next; - struct list_head fs_supers; + struct hlist_head fs_supers; }; struct file { |