33 static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh)  in gfs2_ail_error()  argument
35 	fs_err(gl->gl_sbd, "AIL buffer %p: blocknr %llu state 0x%08lx mapping %p page state 0x%lx\n",  in gfs2_ail_error()
38 	fs_err(gl->gl_sbd, "AIL glock %u:%llu mapping %p\n",  in gfs2_ail_error()
39 	       gl->gl_name.ln_type, gl->gl_name.ln_number,  in gfs2_ail_error()
40 	       gfs2_glock2aspace(gl));  in gfs2_ail_error()
41 	gfs2_lm_withdraw(gl->gl_sbd, "AIL error\n");  in gfs2_ail_error()
52 static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync,  in __gfs2_ail_flush()  argument
55 	struct gfs2_sbd *sdp = gl->gl_sbd;  in __gfs2_ail_flush()
56 	struct list_head *head = &gl->gl_ail_list;  in __gfs2_ail_flush()
70 			gfs2_ail_error(gl, bh);  in __gfs2_ail_flush()
75 	GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count));  in __gfs2_ail_flush()
81 static void gfs2_ail_empty_gl(struct gfs2_glock *gl)  in gfs2_ail_empty_gl()  argument
83 	struct gfs2_sbd *sdp = gl->gl_sbd;  in gfs2_ail_empty_gl()
89 	tr.tr_revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_empty_gl()
104 	__gfs2_ail_flush(gl, 0, tr.tr_revokes);  in gfs2_ail_empty_gl()
110 void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)  in gfs2_ail_flush()  argument
112 	struct gfs2_sbd *sdp = gl->gl_sbd;  in gfs2_ail_flush()
113 	unsigned int revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_flush()
126 	__gfs2_ail_flush(gl, fsync, max_revokes);  in gfs2_ail_flush()
140 static void rgrp_go_sync(struct gfs2_glock *gl)  in rgrp_go_sync()  argument
142 	struct gfs2_sbd *sdp = gl->gl_sbd;  in rgrp_go_sync()
147 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in rgrp_go_sync()
149 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in rgrp_go_sync()
151 	gfs2_log_flush(sdp, gl, NORMAL_FLUSH);  in rgrp_go_sync()
152 	filemap_fdatawrite_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_sync()
153 	error = filemap_fdatawait_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_sync()
155 	gfs2_ail_empty_gl(gl);  in rgrp_go_sync()
157 	spin_lock(&gl->gl_spin);  in rgrp_go_sync()
158 	rgd = gl->gl_object;  in rgrp_go_sync()
161 	spin_unlock(&gl->gl_spin);  in rgrp_go_sync()
174 static void rgrp_go_inval(struct gfs2_glock *gl, int flags)  in rgrp_go_inval()  argument
176 	struct gfs2_sbd *sdp = gl->gl_sbd;  in rgrp_go_inval()
180 	gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));  in rgrp_go_inval()
181 	truncate_inode_pages_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_inval()
183 	if (gl->gl_object) {  in rgrp_go_inval()
184 		struct gfs2_rgrpd *rgd = (struct gfs2_rgrpd *)gl->gl_object;  in rgrp_go_inval()
195 static void inode_go_sync(struct gfs2_glock *gl)  in inode_go_sync()  argument
197 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_sync()
198 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in inode_go_sync()
208 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in inode_go_sync()
211 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in inode_go_sync()
213 	gfs2_log_flush(gl->gl_sbd, gl, NORMAL_FLUSH);  in inode_go_sync()
223 	gfs2_ail_empty_gl(gl);  in inode_go_sync()
229 	clear_bit(GLF_DIRTY, &gl->gl_flags);  in inode_go_sync()
243 static void inode_go_inval(struct gfs2_glock *gl, int flags)  in inode_go_inval()  argument
245 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_inval()
247 	gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));  in inode_go_inval()
250 		struct address_space *mapping = gfs2_glock2aspace(gl);  in inode_go_inval()
259 	if (ip == GFS2_I(gl->gl_sbd->sd_rindex)) {  in inode_go_inval()
260 		gfs2_log_flush(gl->gl_sbd, NULL, NORMAL_FLUSH);  in inode_go_inval()
261 		gl->gl_sbd->sd_rindex_uptodate = 0;  in inode_go_inval()
274 static int inode_go_demote_ok(const struct gfs2_glock *gl)  in inode_go_demote_ok()  argument
276 	struct gfs2_sbd *sdp = gl->gl_sbd;  in inode_go_demote_ok()
279 	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)  in inode_go_demote_ok()
282 	if (!list_empty(&gl->gl_holders)) {  in inode_go_demote_ok()
283 		gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);  in inode_go_demote_ok()
284 		if (gh->gh_list.next != &gl->gl_holders)  in inode_go_demote_ok()
410 	struct gfs2_glock *gl = gh->gh_gl;  in inode_go_lock()  local
411 	struct gfs2_sbd *sdp = gl->gl_sbd;  in inode_go_lock()
412 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_lock()
428 	    (gl->gl_state == LM_ST_EXCLUSIVE) &&  in inode_go_lock()
448 static void inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)  in inode_go_dump()  argument
450 	const struct gfs2_inode *ip = gl->gl_object;  in inode_go_dump()
469 static void freeze_go_sync(struct gfs2_glock *gl)  in freeze_go_sync()  argument
472 	struct gfs2_sbd *sdp = gl->gl_sbd;  in freeze_go_sync()
474 	if (gl->gl_state == LM_ST_SHARED &&  in freeze_go_sync()
493 static int freeze_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)  in freeze_go_xmote_bh()  argument
495 	struct gfs2_sbd *sdp = gl->gl_sbd;  in freeze_go_xmote_bh()
526 static int freeze_go_demote_ok(const struct gfs2_glock *gl)  in freeze_go_demote_ok()  argument
537 static void iopen_go_callback(struct gfs2_glock *gl, bool remote)  in iopen_go_callback()  argument
539 	struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;  in iopen_go_callback()
540 	struct gfs2_sbd *sdp = gl->gl_sbd;  in iopen_go_callback()
545 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&  in iopen_go_callback()
546 	    gl->gl_state == LM_ST_SHARED && ip) {  in iopen_go_callback()
547 		gl->gl_lockref.count++;  in iopen_go_callback()
548 		if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0)  in iopen_go_callback()
549 			gl->gl_lockref.count--;  in iopen_go_callback()