diff options
Diffstat (limited to 'fs/ocfs2/inode.c')
-rw-r--r-- | fs/ocfs2/inode.c | 70 |
1 files changed, 66 insertions, 4 deletions
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 12e5d1f73325..14bf440ea4df 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -50,8 +50,6 @@ struct ocfs2_find_inode_args unsigned int fi_sysfile_type; }; -static struct lock_class_key ocfs2_sysfile_lock_key[NUM_SYSTEM_INODES]; - static int ocfs2_read_locked_inode(struct inode *inode, struct ocfs2_find_inode_args *args); static int ocfs2_init_locked_inode(struct inode *inode, void *opaque); @@ -250,14 +248,77 @@ bail: static int ocfs2_init_locked_inode(struct inode *inode, void *opaque) { struct ocfs2_find_inode_args *args = opaque; +#ifdef CONFIG_LOCKDEP + static struct lock_class_key ocfs2_sysfile_lock_key[NUM_SYSTEM_INODES]; static struct lock_class_key ocfs2_quota_ip_alloc_sem_key, ocfs2_file_ip_alloc_sem_key; +#endif inode->i_ino = args->fi_ino; OCFS2_I(inode)->ip_blkno = args->fi_blkno; - if (args->fi_sysfile_type != 0) +#ifdef CONFIG_LOCKDEP + switch (args->fi_sysfile_type) { + case BAD_BLOCK_SYSTEM_INODE: + break; + case GLOBAL_INODE_ALLOC_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[GLOBAL_INODE_ALLOC_SYSTEM_INODE]); + break; + case SLOT_MAP_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[SLOT_MAP_SYSTEM_INODE]); + break; + case HEARTBEAT_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[HEARTBEAT_SYSTEM_INODE]); + break; + case GLOBAL_BITMAP_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[GLOBAL_BITMAP_SYSTEM_INODE]); + break; + case USER_QUOTA_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[USER_QUOTA_SYSTEM_INODE]); + break; + case GROUP_QUOTA_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[GROUP_QUOTA_SYSTEM_INODE]); + break; + case ORPHAN_DIR_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[ORPHAN_DIR_SYSTEM_INODE]); + break; + case EXTENT_ALLOC_SYSTEM_INODE: lockdep_set_class(&inode->i_rwsem, - &ocfs2_sysfile_lock_key[args->fi_sysfile_type]); + &ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]); + break; + case INODE_ALLOC_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]); + break; + case JOURNAL_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[JOURNAL_SYSTEM_INODE]); + break; + case LOCAL_ALLOC_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]); + break; + case TRUNCATE_LOG_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[TRUNCATE_LOG_SYSTEM_INODE]); + break; + case LOCAL_USER_QUOTA_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[LOCAL_USER_QUOTA_SYSTEM_INODE]); + break; + case LOCAL_GROUP_QUOTA_SYSTEM_INODE: + lockdep_set_class(&inode->i_rwsem, + &ocfs2_sysfile_lock_key[LOCAL_GROUP_QUOTA_SYSTEM_INODE]); + break; + default: + WARN_ONCE(1, "Unknown sysfile type %d\n", args->fi_sysfile_type); + } if (args->fi_sysfile_type == USER_QUOTA_SYSTEM_INODE || args->fi_sysfile_type == GROUP_QUOTA_SYSTEM_INODE || args->fi_sysfile_type == LOCAL_USER_QUOTA_SYSTEM_INODE || @@ -267,6 +328,7 @@ static int ocfs2_init_locked_inode(struct inode *inode, void *opaque) else lockdep_set_class(&OCFS2_I(inode)->ip_alloc_sem, &ocfs2_file_ip_alloc_sem_key); +#endif return 0; } |