34 static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh)  in gfs2_ail_error()  argument
36 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_error()
44 	       gl->gl_name.ln_type, gl->gl_name.ln_number,  in gfs2_ail_error()
45 	       gfs2_glock2aspace(gl));  in gfs2_ail_error()
59 static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync,  in __gfs2_ail_flush()  argument
62 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in __gfs2_ail_flush()
63 	struct list_head *head = &gl->gl_ail_list;  in __gfs2_ail_flush()
77 			gfs2_ail_error(gl, bh);  in __gfs2_ail_flush()
82 	GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count));  in __gfs2_ail_flush()
88 static int gfs2_ail_empty_gl(struct gfs2_glock *gl)  in gfs2_ail_empty_gl()  argument
90 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_empty_gl()
95 	revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_empty_gl()
129 	__gfs2_ail_flush(gl, 0, revokes);  in gfs2_ail_empty_gl()
138 void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)  in gfs2_ail_flush()  argument
140 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_flush()
141 	unsigned int revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_flush()
150 	__gfs2_ail_flush(gl, fsync, revokes);  in gfs2_ail_flush()
162 static int gfs2_rgrp_metasync(struct gfs2_glock *gl)  in gfs2_rgrp_metasync()  argument
164 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_rgrp_metasync()
166 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in gfs2_rgrp_metasync()
190 static int rgrp_go_sync(struct gfs2_glock *gl)  in rgrp_go_sync()  argument
192 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_sync()
193 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in rgrp_go_sync()
196 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in rgrp_go_sync()
198 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in rgrp_go_sync()
200 	gfs2_log_flush(sdp, gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in rgrp_go_sync()
202 	error = gfs2_rgrp_metasync(gl);  in rgrp_go_sync()
204 		error = gfs2_ail_empty_gl(gl);  in rgrp_go_sync()
219 static void rgrp_go_inval(struct gfs2_glock *gl, int flags)  in rgrp_go_inval()  argument
221 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_inval()
223 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in rgrp_go_inval()
233 static void gfs2_rgrp_go_dump(struct seq_file *seq, struct gfs2_glock *gl,  in gfs2_rgrp_go_dump()  argument
236 	struct gfs2_rgrpd *rgd = gl->gl_object;  in gfs2_rgrp_go_dump()
242 static struct gfs2_inode *gfs2_glock2inode(struct gfs2_glock *gl)  in gfs2_glock2inode()  argument
246 	spin_lock(&gl->gl_lockref.lock);  in gfs2_glock2inode()
247 	ip = gl->gl_object;  in gfs2_glock2inode()
250 	spin_unlock(&gl->gl_lockref.lock);  in gfs2_glock2inode()
254 struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl)  in gfs2_glock2rgrp()  argument
258 	spin_lock(&gl->gl_lockref.lock);  in gfs2_glock2rgrp()
259 	rgd = gl->gl_object;  in gfs2_glock2rgrp()
260 	spin_unlock(&gl->gl_lockref.lock);  in gfs2_glock2rgrp()
279 int gfs2_inode_metasync(struct gfs2_glock *gl)  in gfs2_inode_metasync()  argument
281 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in gfs2_inode_metasync()
287 		gfs2_io_error(gl->gl_name.ln_sbd);  in gfs2_inode_metasync()
297 static int inode_go_sync(struct gfs2_glock *gl)  in inode_go_sync()  argument
299 	struct gfs2_inode *ip = gfs2_glock2inode(gl);  in inode_go_sync()
301 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in inode_go_sync()
309 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in inode_go_sync()
312 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in inode_go_sync()
314 	gfs2_log_flush(gl->gl_name.ln_sbd, gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in inode_go_sync()
323 	ret = gfs2_inode_metasync(gl);  in inode_go_sync()
326 	gfs2_ail_empty_gl(gl);  in inode_go_sync()
332 	clear_bit(GLF_DIRTY, &gl->gl_flags);  in inode_go_sync()
350 static void inode_go_inval(struct gfs2_glock *gl, int flags)  in inode_go_inval()  argument
352 	struct gfs2_inode *ip = gfs2_glock2inode(gl);  in inode_go_inval()
355 		struct address_space *mapping = gfs2_glock2aspace(gl);  in inode_go_inval()
358 			set_bit(GLF_INSTANTIATE_NEEDED, &gl->gl_flags);  in inode_go_inval()
365 	if (ip == GFS2_I(gl->gl_name.ln_sbd->sd_rindex)) {  in inode_go_inval()
366 		gfs2_log_flush(gl->gl_name.ln_sbd, NULL,  in inode_go_inval()
369 		gl->gl_name.ln_sbd->sd_rindex_uptodate = 0;  in inode_go_inval()
384 static int inode_go_demote_ok(const struct gfs2_glock *gl)  in inode_go_demote_ok()  argument
386 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in inode_go_demote_ok()
388 	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)  in inode_go_demote_ok()
488 static int inode_go_instantiate(struct gfs2_glock *gl)  in inode_go_instantiate()  argument
490 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_instantiate()
500 	struct gfs2_glock *gl = gh->gh_gl;  in inode_go_held()  local
501 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_held()
511 	    (gl->gl_state == LM_ST_EXCLUSIVE) &&  in inode_go_held()
526 static void inode_go_dump(struct seq_file *seq, struct gfs2_glock *gl,  in inode_go_dump()  argument
529 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_dump()
554 static int freeze_go_sync(struct gfs2_glock *gl)  in freeze_go_sync()  argument
557 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_sync()
570 	if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp) &&  in freeze_go_sync()
597 static int freeze_go_xmote_bh(struct gfs2_glock *gl)  in freeze_go_xmote_bh()  argument
599 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_xmote_bh()
627 static int freeze_go_demote_ok(const struct gfs2_glock *gl)  in freeze_go_demote_ok()  argument
639 static void iopen_go_callback(struct gfs2_glock *gl, bool remote)  in iopen_go_callback()  argument
641 	struct gfs2_inode *ip = gl->gl_object;  in iopen_go_callback()
642 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in iopen_go_callback()
647 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&  in iopen_go_callback()
648 	    gl->gl_state == LM_ST_SHARED && ip) {  in iopen_go_callback()
649 		gl->gl_lockref.count++;  in iopen_go_callback()
651 					&gl->gl_delete, 0))  in iopen_go_callback()
652 			gl->gl_lockref.count--;  in iopen_go_callback()
656 static int iopen_go_demote_ok(const struct gfs2_glock *gl)  in iopen_go_demote_ok()  argument
658        return !gfs2_delete_work_queued(gl);  in iopen_go_demote_ok()
669 static void inode_go_free(struct gfs2_glock *gl)  in inode_go_free()  argument
673 	if (!test_bit(GLF_FREEING, &gl->gl_flags))  in inode_go_free()
675 	clear_bit_unlock(GLF_FREEING, &gl->gl_flags);  in inode_go_free()
676 	wake_up_bit(&gl->gl_flags, GLF_FREEING);  in inode_go_free()
685 static void nondisk_go_callback(struct gfs2_glock *gl, bool remote)  in nondisk_go_callback()  argument
687 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in nondisk_go_callback()
691 	if (!remote || gl->gl_name.ln_number != GFS2_LIVE_LOCK)  in nondisk_go_callback()
697 	clear_bit(GLF_DEMOTE, &gl->gl_flags);  in nondisk_go_callback()
698 	clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags);  in nondisk_go_callback()
708 	if (gl->gl_demote_state != LM_ST_UNLOCKED)  in nondisk_go_callback()