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()
131 	__gfs2_ail_flush(gl, 0, revokes);  in gfs2_ail_empty_gl()
141 void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)  in gfs2_ail_flush()  argument
143 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_flush()
144 	unsigned int revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_flush()
153 	__gfs2_ail_flush(gl, fsync, revokes);  in gfs2_ail_flush()
165 static int gfs2_rgrp_metasync(struct gfs2_glock *gl)  in gfs2_rgrp_metasync()  argument
167 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_rgrp_metasync()
169 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in gfs2_rgrp_metasync()
193 static int rgrp_go_sync(struct gfs2_glock *gl)  in rgrp_go_sync()  argument
195 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_sync()
196 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in rgrp_go_sync()
199 	if (!rgd || !test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in rgrp_go_sync()
201 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in rgrp_go_sync()
203 	gfs2_log_flush(sdp, gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in rgrp_go_sync()
205 	error = gfs2_rgrp_metasync(gl);  in rgrp_go_sync()
207 		error = gfs2_ail_empty_gl(gl);  in rgrp_go_sync()
222 static void rgrp_go_inval(struct gfs2_glock *gl, int flags)  in rgrp_go_inval()  argument
224 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_inval()
226 	struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl);  in rgrp_go_inval()
239 static void gfs2_rgrp_go_dump(struct seq_file *seq, const struct gfs2_glock *gl,  in gfs2_rgrp_go_dump()  argument
242 	struct gfs2_rgrpd *rgd = gl->gl_object;  in gfs2_rgrp_go_dump()
248 static struct gfs2_inode *gfs2_glock2inode(struct gfs2_glock *gl)  in gfs2_glock2inode()  argument
252 	spin_lock(&gl->gl_lockref.lock);  in gfs2_glock2inode()
253 	ip = gl->gl_object;  in gfs2_glock2inode()
256 	spin_unlock(&gl->gl_lockref.lock);  in gfs2_glock2inode()
260 struct gfs2_rgrpd *gfs2_glock2rgrp(struct gfs2_glock *gl)  in gfs2_glock2rgrp()  argument
264 	spin_lock(&gl->gl_lockref.lock);  in gfs2_glock2rgrp()
265 	rgd = gl->gl_object;  in gfs2_glock2rgrp()
266 	spin_unlock(&gl->gl_lockref.lock);  in gfs2_glock2rgrp()
285 int gfs2_inode_metasync(struct gfs2_glock *gl)  in gfs2_inode_metasync()  argument
287 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in gfs2_inode_metasync()
293 		gfs2_io_error(gl->gl_name.ln_sbd);  in gfs2_inode_metasync()
303 static int inode_go_sync(struct gfs2_glock *gl)  in inode_go_sync()  argument
305 	struct gfs2_inode *ip = gfs2_glock2inode(gl);  in inode_go_sync()
307 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in inode_go_sync()
315 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in inode_go_sync()
318 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in inode_go_sync()
320 	gfs2_log_flush(gl->gl_name.ln_sbd, gl, GFS2_LOG_HEAD_FLUSH_NORMAL |  in inode_go_sync()
329 	ret = gfs2_inode_metasync(gl);  in inode_go_sync()
332 	ret = gfs2_ail_empty_gl(gl);  in inode_go_sync()
340 	clear_bit(GLF_DIRTY, &gl->gl_flags);  in inode_go_sync()
358 static void inode_go_inval(struct gfs2_glock *gl, int flags)  in inode_go_inval()  argument
360 	struct gfs2_inode *ip = gfs2_glock2inode(gl);  in inode_go_inval()
363 		struct address_space *mapping = gfs2_glock2aspace(gl);  in inode_go_inval()
366 			set_bit(GLF_INSTANTIATE_NEEDED, &gl->gl_flags);  in inode_go_inval()
373 	if (ip == GFS2_I(gl->gl_name.ln_sbd->sd_rindex)) {  in inode_go_inval()
374 		gfs2_log_flush(gl->gl_name.ln_sbd, NULL,  in inode_go_inval()
377 		gl->gl_name.ln_sbd->sd_rindex_uptodate = 0;  in inode_go_inval()
392 static int inode_go_demote_ok(const struct gfs2_glock *gl)  in inode_go_demote_ok()  argument
394 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in inode_go_demote_ok()
396 	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)  in inode_go_demote_ok()
501 static int inode_go_instantiate(struct gfs2_glock *gl)  in inode_go_instantiate()  argument
503 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_instantiate()
513 	struct gfs2_glock *gl = gh->gh_gl;  in inode_go_held()  local
514 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_held()
524 	    (gl->gl_state == LM_ST_EXCLUSIVE) &&  in inode_go_held()
539 static void inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl,  in inode_go_dump()  argument
542 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_dump()
564 static void freeze_go_callback(struct gfs2_glock *gl, bool remote)  in freeze_go_callback()  argument
566 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_callback()
570 	    (gl->gl_state != LM_ST_SHARED &&  in freeze_go_callback()
571 	     gl->gl_state != LM_ST_UNLOCKED) ||  in freeze_go_callback()
572 	    gl->gl_demote_state != LM_ST_UNLOCKED)  in freeze_go_callback()
593 static int freeze_go_xmote_bh(struct gfs2_glock *gl)  in freeze_go_xmote_bh()  argument
595 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_xmote_bh()
623 static int freeze_go_demote_ok(const struct gfs2_glock *gl)  in freeze_go_demote_ok()  argument
635 static void iopen_go_callback(struct gfs2_glock *gl, bool remote)  in iopen_go_callback()  argument
637 	struct gfs2_inode *ip = gl->gl_object;  in iopen_go_callback()
638 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in iopen_go_callback()
644 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&  in iopen_go_callback()
645 	    gl->gl_state == LM_ST_SHARED && ip) {  in iopen_go_callback()
646 		gl->gl_lockref.count++;  in iopen_go_callback()
647 		if (!gfs2_queue_try_to_evict(gl))  in iopen_go_callback()
648 			gl->gl_lockref.count--;  in iopen_go_callback()
660 static void inode_go_free(struct gfs2_glock *gl)  in inode_go_free()  argument
664 	if (!test_bit(GLF_FREEING, &gl->gl_flags))  in inode_go_free()
666 	clear_bit_unlock(GLF_FREEING, &gl->gl_flags);  in inode_go_free()
667 	wake_up_bit(&gl->gl_flags, GLF_FREEING);  in inode_go_free()
676 static void nondisk_go_callback(struct gfs2_glock *gl, bool remote)  in nondisk_go_callback()  argument
678 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in nondisk_go_callback()
682 	if (!remote || gl->gl_name.ln_number != GFS2_LIVE_LOCK)  in nondisk_go_callback()
688 	clear_bit(GLF_DEMOTE, &gl->gl_flags);  in nondisk_go_callback()
689 	clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags);  in nondisk_go_callback()
699 	if (gl->gl_demote_state != LM_ST_UNLOCKED)  in nondisk_go_callback()