35 int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,  in gfs2_replay_read_block()  argument
38 	struct gfs2_inode *ip = GFS2_I(jd->jd_inode);  in gfs2_replay_read_block()
58 int gfs2_revoke_add(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)  in gfs2_revoke_add()  argument
60 	struct list_head *head = &jd->jd_revoke_list;  in gfs2_revoke_add()
87 int gfs2_revoke_check(struct gfs2_jdesc *jd, u64 blkno, unsigned int where)  in gfs2_revoke_check()  argument
93 	list_for_each_entry(rr, &jd->jd_revoke_list, rr_list) {  in gfs2_revoke_check()
103 	wrap = (rr->rr_where < jd->jd_replay_tail);  in gfs2_revoke_check()
104 	a = (jd->jd_replay_tail < where);  in gfs2_revoke_check()
111 void gfs2_revoke_clean(struct gfs2_jdesc *jd)  in gfs2_revoke_clean()  argument
113 	struct list_head *head = &jd->jd_revoke_list;  in gfs2_revoke_clean()
137 static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk,  in get_log_header()  argument
145 	error = gfs2_replay_read_block(jd, blk, &bh);  in get_log_header()
186 static int find_good_lh(struct gfs2_jdesc *jd, unsigned int *blk,  in find_good_lh()  argument
193 		error = get_log_header(jd, *blk, head);  in find_good_lh()
197 		if (++*blk == jd->jd_blocks)  in find_good_lh()
201 			gfs2_consist_inode(GFS2_I(jd->jd_inode));  in find_good_lh()
218 static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head)  in jhead_scan()  argument
225 		if (++blk == jd->jd_blocks)  in jhead_scan()
228 		error = get_log_header(jd, blk, &lh);  in jhead_scan()
235 			gfs2_consist_inode(GFS2_I(jd->jd_inode));  in jhead_scan()
258 int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head)  in gfs2_find_jhead()  argument
265 	blk_2 = jd->jd_blocks - 1;  in gfs2_find_jhead()
270 		error = find_good_lh(jd, &blk_1, &lh_1);  in gfs2_find_jhead()
274 		error = find_good_lh(jd, &blk_m, &lh_m);  in gfs2_find_jhead()
287 	error = jhead_scan(jd, &lh_1);  in gfs2_find_jhead()
308 static int foreach_descriptor(struct gfs2_jdesc *jd, unsigned int start,  in foreach_descriptor()  argument
311 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in foreach_descriptor()
322 		error = gfs2_replay_read_block(jd, start, &bh);  in foreach_descriptor()
334 			error = get_log_header(jd, start, &lh);  in foreach_descriptor()
336 				gfs2_replay_incr_blk(jd, &start);  in foreach_descriptor()
341 				gfs2_consist_inode(GFS2_I(jd->jd_inode));  in foreach_descriptor()
351 		error = lops_scan_elements(jd, start, ld, ptr, pass);  in foreach_descriptor()
358 			gfs2_replay_incr_blk(jd, &start);  in foreach_descriptor()
374 static void clean_journal(struct gfs2_jdesc *jd,  in clean_journal()  argument
377 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in clean_journal()
380 	gfs2_replay_incr_blk(jd, &sdp->sd_log_flush_head);  in clean_journal()
381 	gfs2_write_log_header(sdp, jd, head->lh_sequence + 1, 0,  in clean_journal()
408 	struct gfs2_jdesc *jd = container_of(work, struct gfs2_jdesc, jd_work);  in gfs2_recover_func()  local
409 	struct gfs2_inode *ip = GFS2_I(jd->jd_inode);  in gfs2_recover_func()
410 	struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode);  in gfs2_recover_func()
422 	if (jd->jd_jid != sdp->sd_lockstruct.ls_jid) {  in gfs2_recover_func()
424 			jd->jd_jid);  in gfs2_recover_func()
428 		error = gfs2_glock_nq_num(sdp, jd->jd_jid, &gfs2_journal_glops,  in gfs2_recover_func()
437 			fs_info(sdp, "jid=%u: Busy\n", jd->jd_jid);  in gfs2_recover_func()
449 		fs_info(sdp, "jid=%u, already locked for use\n", jd->jd_jid);  in gfs2_recover_func()
453 	fs_info(sdp, "jid=%u: Looking at journal...\n", jd->jd_jid);  in gfs2_recover_func()
455 	error = gfs2_jdesc_check(jd);  in gfs2_recover_func()
459 	error = gfs2_find_jhead(jd, &head);  in gfs2_recover_func()
466 			jd->jd_jid);  in gfs2_recover_func()
496 				"device\n", jd->jd_jid);  in gfs2_recover_func()
502 		fs_info(sdp, "jid=%u: Replaying journal...\n", jd->jd_jid);  in gfs2_recover_func()
505 			lops_before_scan(jd, &head, pass);  in gfs2_recover_func()
506 			error = foreach_descriptor(jd, head.lh_tail,  in gfs2_recover_func()
508 			lops_after_scan(jd, error, pass);  in gfs2_recover_func()
513 		clean_journal(jd, &head);  in gfs2_recover_func()
519 			jd->jd_jid, ktime_ms_delta(t_rep, t_start),  in gfs2_recover_func()
526 	gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_SUCCESS);  in gfs2_recover_func()
533 	fs_info(sdp, "jid=%u: Done\n", jd->jd_jid);  in gfs2_recover_func()
545 	fs_info(sdp, "jid=%u: %s\n", jd->jd_jid, (error) ? "Failed" : "Done");  in gfs2_recover_func()
547 	jd->jd_recover_error = error;  in gfs2_recover_func()
548 	gfs2_recovery_done(sdp, jd->jd_jid, LM_RD_GAVEUP);  in gfs2_recover_func()
550 	clear_bit(JDF_RECOVERY, &jd->jd_flags);  in gfs2_recover_func()
552 	wake_up_bit(&jd->jd_flags, JDF_RECOVERY);  in gfs2_recover_func()
555 int gfs2_recover_journal(struct gfs2_jdesc *jd, bool wait)  in gfs2_recover_journal()  argument
559 	if (test_and_set_bit(JDF_RECOVERY, &jd->jd_flags))  in gfs2_recover_journal()
563 	rv = queue_work(gfs_recovery_wq, &jd->jd_work);  in gfs2_recover_journal()
567 		wait_on_bit(&jd->jd_flags, JDF_RECOVERY,  in gfs2_recover_journal()
570 	return wait ? jd->jd_recover_error : 0;  in gfs2_recover_journal()