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authorJan Kara <jack@suse.cz>2009-06-04 15:26:50 +0200
committerJoel Becker <joel.becker@oracle.com>2009-06-22 14:34:26 -0700
commitcb25797d451dc774d9dbc402a65f16a0e32199fe (patch)
tree95957b5ae9a72c3971bd44efadf82a5b06a6e579 /fs/ocfs2/inode.c
parent9a7aa12f3911853a3574d47d567b81a2a5df7208 (diff)
ocfs2: Add lockdep annotations
Add lockdep support to OCFS2. The support also covers all of the cluster locks except for open locks, journal locks, and local quotafile locks. These are special because they are acquired for a node, not for a particular process and lockdep cannot deal with such type of locking. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/inode.c')
-rw-r--r--fs/ocfs2/inode.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 10e1fa87396a..4dc8890ba316 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -215,6 +215,8 @@ bail:
static int ocfs2_init_locked_inode(struct inode *inode, void *opaque)
{
struct ocfs2_find_inode_args *args = opaque;
+ static struct lock_class_key ocfs2_quota_ip_alloc_sem_key,
+ ocfs2_file_ip_alloc_sem_key;
mlog_entry("inode = %p, opaque = %p\n", inode, opaque);
@@ -223,6 +225,15 @@ static int ocfs2_init_locked_inode(struct inode *inode, void *opaque)
if (args->fi_sysfile_type != 0)
lockdep_set_class(&inode->i_mutex,
&ocfs2_sysfile_lock_key[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 ||
+ args->fi_sysfile_type == LOCAL_GROUP_QUOTA_SYSTEM_INODE)
+ lockdep_set_class(&OCFS2_I(inode)->ip_alloc_sem,
+ &ocfs2_quota_ip_alloc_sem_key);
+ else
+ lockdep_set_class(&OCFS2_I(inode)->ip_alloc_sem,
+ &ocfs2_file_ip_alloc_sem_key);
mlog_exit(0);
return 0;