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authorJan Kara <jack@suse.cz>2009-06-04 13:26:50 (GMT)
committerJoel Becker <joel.becker@oracle.com>2009-06-22 21:34:26 (GMT)
commitcb25797d451dc774d9dbc402a65f16a0e32199fe (patch)
tree95957b5ae9a72c3971bd44efadf82a5b06a6e579 /fs/ocfs2/inode.c
parent9a7aa12f3911853a3574d47d567b81a2a5df7208 (diff)
downloadlinux-cb25797d451dc774d9dbc402a65f16a0e32199fe.tar.xz
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 10e1fa87..4dc8890 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;