Factor outstanding I/O error handling

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

diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index a331bf8175ea227a6169837d6470050dff1ac4f6..11477ca3a3c00ccf918d8df3dc577c85045cbe75 100644 (file)
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -20,7 +20,6 @@
 #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
@@ -39,7 +38,7 @@ static inline int gfs2_glock_is_locked_by_me(struct gfs2_glock *gl)
        /* Look in glock's list of holders for one with current task as owner */
        spin_lock(&gl->gl_spin);
        list_for_each_entry(gh, &gl->gl_holders, gh_list) {
-               if (gh->gh_owner == current) {
+               if (gh->gh_owner_pid == current->pid) {
                        locked = 1;
                        break;
                }
@@ -68,7 +67,7 @@ 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) || !list_empty(&gl->gl_waiters3);
        spin_unlock(&gl->gl_spin);
        return ret;
 }
@@ -83,17 +82,11 @@ void gfs2_holder_init(struct gfs2_glock *gl, unsigned int state, unsigned flags,
 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_uninit(struct gfs2_holder *gh);
 int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
                      u64 number, const struct gfs2_glock_operations *glops,
@@ -103,11 +96,6 @@ 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_glock_inode_squish(struct inode *inode);
-
 /**
  * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock
  * @gl: the glock
@@ -147,5 +135,9 @@ 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);
+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__ */