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_name.ln_sbd,  in gfs2_ail_error()
40 	fs_err(gl->gl_name.ln_sbd, "AIL glock %u:%llu mapping %p\n",  in gfs2_ail_error()
41 	       gl->gl_name.ln_type, gl->gl_name.ln_number,  in gfs2_ail_error()
42 	       gfs2_glock2aspace(gl));  in gfs2_ail_error()
43 	gfs2_lm_withdraw(gl->gl_name.ln_sbd, "AIL error\n");  in gfs2_ail_error()
54 static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync,  in __gfs2_ail_flush()  argument
57 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in __gfs2_ail_flush()
58 	struct list_head *head = &gl->gl_ail_list;  in __gfs2_ail_flush()
72 			gfs2_ail_error(gl, bh);  in __gfs2_ail_flush()
77 	GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count));  in __gfs2_ail_flush()
83 static void gfs2_ail_empty_gl(struct gfs2_glock *gl)  in gfs2_ail_empty_gl()  argument
85 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_empty_gl()
91 	tr.tr_revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_empty_gl()
106 	__gfs2_ail_flush(gl, 0, tr.tr_revokes);  in gfs2_ail_empty_gl()
112 void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)  in gfs2_ail_flush()  argument
114 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in gfs2_ail_flush()
115 	unsigned int revokes = atomic_read(&gl->gl_ail_count);  in gfs2_ail_flush()
128 	__gfs2_ail_flush(gl, fsync, max_revokes);  in gfs2_ail_flush()
142 static void rgrp_go_sync(struct gfs2_glock *gl)  in rgrp_go_sync()  argument
144 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_sync()
149 	spin_lock(&gl->gl_lockref.lock);  in rgrp_go_sync()
150 	rgd = gl->gl_object;  in rgrp_go_sync()
153 	spin_unlock(&gl->gl_lockref.lock);  in rgrp_go_sync()
155 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in rgrp_go_sync()
157 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in rgrp_go_sync()
159 	gfs2_log_flush(sdp, gl, NORMAL_FLUSH);  in rgrp_go_sync()
160 	filemap_fdatawrite_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_sync()
161 	error = filemap_fdatawait_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_sync()
163 	gfs2_ail_empty_gl(gl);  in rgrp_go_sync()
165 	spin_lock(&gl->gl_lockref.lock);  in rgrp_go_sync()
166 	rgd = gl->gl_object;  in rgrp_go_sync()
169 	spin_unlock(&gl->gl_lockref.lock);  in rgrp_go_sync()
182 static void rgrp_go_inval(struct gfs2_glock *gl, int flags)  in rgrp_go_inval()  argument
184 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in rgrp_go_inval()
186 	struct gfs2_rgrpd *rgd = gl->gl_object;  in rgrp_go_inval()
192 	gfs2_assert_withdraw(sdp, !atomic_read(&gl->gl_ail_count));  in rgrp_go_inval()
193 	truncate_inode_pages_range(mapping, gl->gl_vm.start, gl->gl_vm.end);  in rgrp_go_inval()
205 static void inode_go_sync(struct gfs2_glock *gl)  in inode_go_sync()  argument
207 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_sync()
208 	struct address_space *metamapping = gfs2_glock2aspace(gl);  in inode_go_sync()
218 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))  in inode_go_sync()
221 	GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_EXCLUSIVE);  in inode_go_sync()
223 	gfs2_log_flush(gl->gl_name.ln_sbd, gl, NORMAL_FLUSH);  in inode_go_sync()
233 	gfs2_ail_empty_gl(gl);  in inode_go_sync()
239 	clear_bit(GLF_DIRTY, &gl->gl_flags);  in inode_go_sync()
253 static void inode_go_inval(struct gfs2_glock *gl, int flags)  in inode_go_inval()  argument
255 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_inval()
257 	gfs2_assert_withdraw(gl->gl_name.ln_sbd, !atomic_read(&gl->gl_ail_count));  in inode_go_inval()
260 		struct address_space *mapping = gfs2_glock2aspace(gl);  in inode_go_inval()
269 	if (ip == GFS2_I(gl->gl_name.ln_sbd->sd_rindex)) {  in inode_go_inval()
270 		gfs2_log_flush(gl->gl_name.ln_sbd, NULL, NORMAL_FLUSH);  in inode_go_inval()
271 		gl->gl_name.ln_sbd->sd_rindex_uptodate = 0;  in inode_go_inval()
284 static int inode_go_demote_ok(const struct gfs2_glock *gl)  in inode_go_demote_ok()  argument
286 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in inode_go_demote_ok()
289 	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)  in inode_go_demote_ok()
292 	if (!list_empty(&gl->gl_holders)) {  in inode_go_demote_ok()
293 		gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);  in inode_go_demote_ok()
294 		if (gh->gh_list.next != &gl->gl_holders)  in inode_go_demote_ok()
420 	struct gfs2_glock *gl = gh->gh_gl;  in inode_go_lock()  local
421 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in inode_go_lock()
422 	struct gfs2_inode *ip = gl->gl_object;  in inode_go_lock()
438 	    (gl->gl_state == LM_ST_EXCLUSIVE) &&  in inode_go_lock()
458 static void inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)  in inode_go_dump()  argument
460 	const struct gfs2_inode *ip = gl->gl_object;  in inode_go_dump()
479 static void freeze_go_sync(struct gfs2_glock *gl)  in freeze_go_sync()  argument
482 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_sync()
484 	if (gl->gl_state == LM_ST_SHARED &&  in freeze_go_sync()
503 static int freeze_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)  in freeze_go_xmote_bh()  argument
505 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in freeze_go_xmote_bh()
536 static int freeze_go_demote_ok(const struct gfs2_glock *gl)  in freeze_go_demote_ok()  argument
547 static void iopen_go_callback(struct gfs2_glock *gl, bool remote)  in iopen_go_callback()  argument
549 	struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;  in iopen_go_callback()
550 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;  in iopen_go_callback()
555 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&  in iopen_go_callback()
556 	    gl->gl_state == LM_ST_SHARED && ip) {  in iopen_go_callback()
557 		gl->gl_lockref.count++;  in iopen_go_callback()
558 		if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0)  in iopen_go_callback()
559 			gl->gl_lockref.count--;  in iopen_go_callback()