rpc: add an rpc_pipe_open method

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

diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index fb39108..695c6b1 100644 (file)
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -10,6 +10,7 @@
 #ifndef __GLOCK_DOT_H__
 #define __GLOCK_DOT_H__
 
+#include <linux/sched.h>
 #include "incore.h"
 
 /* Flags for lock requests; used in gfs2_holder gh_flag field.
@@ -20,33 +21,32 @@
 #define LM_FLAG_ANY            0x00000008
 #define LM_FLAG_PRIORITY       0x00000010 */
 
-#define GL_LOCAL_EXCL          0x00000020
 #define GL_ASYNC               0x00000040
 #define GL_EXACT               0x00000080
 #define GL_SKIP                        0x00000100
-#define GL_ATIME               0x00000200
 #define GL_NOCACHE             0x00000400
-#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 == current) {
-                       locked = 1;
+               if (!test_bit(HIF_HOLDER, &gh->gh_iflags))
                        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)
@@ -68,7 +68,7 @@ static inline int gfs2_glock_is_blocking(struct gfs2_glock *gl)
 {
        int ret;
        spin_lock(&gl->gl_spin);
-       ret = !list_empty(&gl->gl_waiters2) || !list_empty(&gl->gl_waiters3);
+       ret = test_bit(GLF_DEMOTE, &gl->gl_flags);
        spin_unlock(&gl->gl_spin);
        return ret;
 }
@@ -76,23 +76,17 @@ 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);
 void gfs2_holder_reinit(unsigned int state, unsigned flags,
                        struct gfs2_holder *gh);
 void gfs2_holder_uninit(struct gfs2_holder *gh);
-
-void gfs2_glock_xmote_th(struct gfs2_glock *gl, unsigned int state, int flags);
-void gfs2_glock_drop_th(struct gfs2_glock *gl);
-
 int gfs2_glock_nq(struct gfs2_holder *gh);
 int gfs2_glock_poll(struct gfs2_holder *gh);
 int gfs2_glock_wait(struct gfs2_holder *gh);
 void gfs2_glock_dq(struct gfs2_holder *gh);
-
-int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time);
+void gfs2_glock_dq_wait(struct gfs2_holder *gh);
 
 void gfs2_glock_dq_uninit(struct gfs2_holder *gh);
 int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
@@ -102,10 +96,7 @@ int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
 int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
 void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
 void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs);
-
-void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, u64 number,
-                            const struct gfs2_glock_operations *glops,
-                            unsigned int state, int flags);
+void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...);
 
 /**
  * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock
@@ -138,13 +129,16 @@ int gfs2_lvb_hold(struct gfs2_glock *gl);
 void gfs2_lvb_unhold(struct gfs2_glock *gl);
 
 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);
+void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
 
 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);
+void gfs2_unregister_debugfs(void);
 
 #endif /* __GLOCK_DOT_H__ */