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Diffstat (limited to 'fs/ocfs2/dlmglue.h')
-rw-r--r--fs/ocfs2/dlmglue.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index 8f2d1db2d9ea..4a2769387229 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -27,10 +27,14 @@
#ifndef DLMGLUE_H
#define DLMGLUE_H
-#define OCFS2_LVB_VERSION 2
+#include "dcache.h"
+
+#define OCFS2_LVB_VERSION 4
struct ocfs2_meta_lvb {
- __be32 lvb_version;
+ __u8 lvb_version;
+ __u8 lvb_reserved0;
+ __be16 lvb_reserved1;
__be32 lvb_iclusters;
__be32 lvb_iuid;
__be32 lvb_igid;
@@ -40,7 +44,9 @@ struct ocfs2_meta_lvb {
__be64 lvb_isize;
__be16 lvb_imode;
__be16 lvb_inlink;
- __be32 lvb_reserved[3];
+ __be32 lvb_iattr;
+ __be32 lvb_igeneration;
+ __be32 lvb_reserved2;
};
/* ocfs2_meta_lock_full() and ocfs2_data_lock_full() 'arg_flags' flags */
@@ -56,9 +62,14 @@ void ocfs2_dlm_shutdown(struct ocfs2_super *osb);
void ocfs2_lock_res_init_once(struct ocfs2_lock_res *res);
void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res,
enum ocfs2_lock_type type,
+ unsigned int generation,
struct inode *inode);
+void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl,
+ u64 parent, struct inode *inode);
void ocfs2_lock_res_free(struct ocfs2_lock_res *res);
int ocfs2_create_new_inode_locks(struct inode *inode);
+int ocfs2_create_new_lock(struct ocfs2_super *osb,
+ struct ocfs2_lock_res *lockres, int ex, int local);
int ocfs2_drop_inode_locks(struct inode *inode);
int ocfs2_data_lock_full(struct inode *inode,
int write,
@@ -92,7 +103,12 @@ void ocfs2_super_unlock(struct ocfs2_super *osb,
int ex);
int ocfs2_rename_lock(struct ocfs2_super *osb);
void ocfs2_rename_unlock(struct ocfs2_super *osb);
+int ocfs2_dentry_lock(struct dentry *dentry, int ex);
+void ocfs2_dentry_unlock(struct dentry *dentry, int ex);
+
void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres);
+void ocfs2_simple_drop_lockres(struct ocfs2_super *osb,
+ struct ocfs2_lock_res *lockres);
/* for the vote thread */
void ocfs2_process_blocked_lock(struct ocfs2_super *osb,