Merge branch 'devel'

[linux-2.6] / fs / gfs2 / glock.h

diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 7721ca3fff9eee2c4789d141f209949a819f21e2..cdad3e6f815026dfc55d542d1fc84c4b8f778984 100644 (file)
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -26,27 +26,29 @@
 #define GL_SKIP                        0x00000100
 #define GL_ATIME               0x00000200
 #define GL_NOCACHE             0x00000400
+#define GL_FLOCK               0x00000800
 #define GL_NOCANCEL            0x00001000
 
 #define GLR_TRYFAILED          13
 #define GLR_CANCELED           14
 
-static inline int gfs2_glock_is_locked_by_me(struct gfs2_glock *gl)
+static inline struct gfs2_holder *gfs2_glock_is_locked_by_me(struct gfs2_glock *gl)
 {
        struct gfs2_holder *gh;
-       int locked = 0;
+       struct pid *pid;
 
        /* Look in glock's list of holders for one with current task as owner */
        spin_lock(&gl->gl_spin);
+       pid = task_pid(current);
        list_for_each_entry(gh, &gl->gl_holders, gh_list) {
-               if (gh->gh_owner_pid == current->pid) {
-                       locked = 1;
-                       break;
-               }
+               if (gh->gh_owner_pid == pid)
+                       goto out;
        }
+       gh = NULL;
+out:
        spin_unlock(&gl->gl_spin);
 
-       return locked;
+       return gh;
 }
 
 static inline int gfs2_glock_is_held_excl(struct gfs2_glock *gl)
@@ -76,7 +78,6 @@ static inline int gfs2_glock_is_blocking(struct gfs2_glock *gl)
 int gfs2_glock_get(struct gfs2_sbd *sdp,
                   u64 number, const struct gfs2_glock_operations *glops,
                   int create, struct gfs2_glock **glp);
-void gfs2_glock_hold(struct gfs2_glock *gl);
 int gfs2_glock_put(struct gfs2_glock *gl);
 void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state, unsigned flags,
                      struct gfs2_holder *gh);
@@ -132,11 +133,11 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data);
 
 void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl);
 void gfs2_reclaim_glock(struct gfs2_sbd *sdp);
-
-void gfs2_scand_internal(struct gfs2_sbd *sdp);
 void gfs2_gl_hash_clear(struct gfs2_sbd *sdp, int wait);
 
 int __init gfs2_glock_init(void);
+void gfs2_glock_exit(void);
+
 int gfs2_create_debugfs_file(struct gfs2_sbd *sdp);
 void gfs2_delete_debugfs_file(struct gfs2_sbd *sdp);
 int gfs2_register_debugfs(void);