38 void gfs2_assert_i(struct gfs2_sbd *sdp)  in gfs2_assert_i()  argument
40 	fs_emerg(sdp, "fatal assertion failed\n");  in gfs2_assert_i()
45  * @sdp: The GFS2 superblock
50 int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,  in check_journal_clean()  argument
63 			fs_err(sdp, "Error %d locking journal for spectator "  in check_journal_clean()
70 			fs_err(sdp, "Error checking journal for spectator "  in check_journal_clean()
77 			fs_err(sdp, "Error parsing journal for spectator "  in check_journal_clean()
84 			fs_err(sdp, "jid=%u: Journal is dirty, so the first "  in check_journal_clean()
96  * @sdp: the superblock
100 int gfs2_freeze_lock(struct gfs2_sbd *sdp, struct gfs2_holder *freeze_gh,  in gfs2_freeze_lock()  argument
106 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, flags,  in gfs2_freeze_lock()
109 		fs_err(sdp, "can't lock the freeze lock: %d\n", error);  in gfs2_freeze_lock()
119 static void signal_our_withdraw(struct gfs2_sbd *sdp)  in signal_our_withdraw()  argument
121 	struct gfs2_glock *live_gl = sdp->sd_live_gh.gh_gl;  in signal_our_withdraw()
126 	int log_write_allowed = test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in signal_our_withdraw()
130 	if (test_bit(SDF_NORECOVERY, &sdp->sd_flags) || !sdp->sd_jdesc)  in signal_our_withdraw()
133 	inode = sdp->sd_jdesc->jd_inode;  in signal_our_withdraw()
139 	set_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
151 	clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in signal_our_withdraw()
152 	if (!sb_rdonly(sdp->sd_vfs)) {  in signal_our_withdraw()
156 		if (sdp->sd_freeze_gl &&  in signal_our_withdraw()
157 		    !gfs2_glock_is_locked_by_me(sdp->sd_freeze_gl)) {  in signal_our_withdraw()
158 			ret = gfs2_freeze_lock(sdp, &freeze_gh,  in signal_our_withdraw()
164 			ret = gfs2_make_fs_ro(sdp);  in signal_our_withdraw()
168 	if (sdp->sd_lockstruct.ls_ops->lm_lock == NULL) { /* lock_nolock */  in signal_our_withdraw()
171 		clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
177 	if (gfs2_holder_initialized(&sdp->sd_journal_gh)) {  in signal_our_withdraw()
178 		gfs2_glock_dq_wait(&sdp->sd_journal_gh);  in signal_our_withdraw()
179 		gfs2_holder_uninit(&sdp->sd_journal_gh);  in signal_our_withdraw()
181 	sdp->sd_jinode_gh.gh_flags |= GL_NOCACHE;  in signal_our_withdraw()
182 	gfs2_glock_dq(&sdp->sd_jinode_gh);  in signal_our_withdraw()
183 	if (test_bit(SDF_FS_FROZEN, &sdp->sd_flags)) {  in signal_our_withdraw()
186 		atomic_set(&sdp->sd_freeze_state, SFS_FROZEN);  in signal_our_withdraw()
187 		thaw_super(sdp->sd_vfs);  in signal_our_withdraw()
196 	gfs2_holder_uninit(&sdp->sd_jinode_gh);  in signal_our_withdraw()
219 	gfs2_glock_dq_wait(&sdp->sd_live_gh);  in signal_our_withdraw()
225 	fs_warn(sdp, "Requesting recovery of jid %d.\n",  in signal_our_withdraw()
226 		sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
228 			   &sdp->sd_live_gh);  in signal_our_withdraw()
233 	ret = gfs2_glock_nq(&sdp->sd_live_gh);  in signal_our_withdraw()
246 		fs_warn(sdp, "No other mounters found. Trying to recover our "  in signal_our_withdraw()
247 			"own journal jid %d.\n", sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
248 		if (gfs2_recover_journal(sdp->sd_jdesc, 1))  in signal_our_withdraw()
249 			fs_warn(sdp, "Unable to recover our journal jid %d.\n",  in signal_our_withdraw()
250 				sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
251 		gfs2_glock_dq_wait(&sdp->sd_live_gh);  in signal_our_withdraw()
253 				   &sdp->sd_live_gh);  in signal_our_withdraw()
254 		gfs2_glock_nq(&sdp->sd_live_gh);  in signal_our_withdraw()
258 	clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
270 	inode = gfs2_inode_lookup(sdp->sd_vfs, DT_UNKNOWN,  in signal_our_withdraw()
271 				  sdp->sd_jdesc->jd_no_addr, no_formal_ino,  in signal_our_withdraw()
274 		fs_warn(sdp, "Reprocessing of jid %d failed with %ld.\n",  in signal_our_withdraw()
275 			sdp->sd_lockstruct.ls_jid, PTR_ERR(inode));  in signal_our_withdraw()
278 	sdp->sd_jdesc->jd_inode = inode;  in signal_our_withdraw()
284 		ret = check_journal_clean(sdp, sdp->sd_jdesc, false);  in signal_our_withdraw()
288 		fs_warn(sdp, "Waiting for journal recovery jid %d.\n",  in signal_our_withdraw()
289 			sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
293 		fs_warn(sdp, "Journal recovery complete for jid %d.\n",  in signal_our_withdraw()
294 			sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
296 		fs_warn(sdp, "Journal recovery skipped for %d until next "  in signal_our_withdraw()
297 			"mount.\n", sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
298 	fs_warn(sdp, "Glock dequeues delayed: %lu\n", sdp->sd_glock_dqs_held);  in signal_our_withdraw()
299 	sdp->sd_glock_dqs_held = 0;  in signal_our_withdraw()
300 	wake_up_bit(&sdp->sd_flags, SDF_WITHDRAW_RECOVERY);  in signal_our_withdraw()
303 void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...)  in gfs2_lm()  argument
308 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&  in gfs2_lm()
309 	    test_bit(SDF_WITHDRAWN, &sdp->sd_flags))  in gfs2_lm()
315 	fs_err(sdp, "%pV", &vaf);  in gfs2_lm()
319 int gfs2_withdraw(struct gfs2_sbd *sdp)  in gfs2_withdraw()  argument
321 	struct lm_lockstruct *ls = &sdp->sd_lockstruct;  in gfs2_withdraw()
324 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&  in gfs2_withdraw()
325 	    test_and_set_bit(SDF_WITHDRAWN, &sdp->sd_flags)) {  in gfs2_withdraw()
326 		if (!test_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags))  in gfs2_withdraw()
329 		wait_on_bit(&sdp->sd_flags, SDF_WITHDRAW_IN_PROG,  in gfs2_withdraw()
334 	set_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags);  in gfs2_withdraw()
336 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW) {  in gfs2_withdraw()
337 		fs_err(sdp, "about to withdraw this file system\n");  in gfs2_withdraw()
338 		BUG_ON(sdp->sd_args.ar_debug);  in gfs2_withdraw()
340 		signal_our_withdraw(sdp);  in gfs2_withdraw()
342 		kobject_uevent(&sdp->sd_kobj, KOBJ_OFFLINE);  in gfs2_withdraw()
344 		if (!strcmp(sdp->sd_lockstruct.ls_ops->lm_proto_name, "lock_dlm"))  in gfs2_withdraw()
345 			wait_for_completion(&sdp->sd_wdack);  in gfs2_withdraw()
348 			fs_err(sdp, "telling LM to unmount\n");  in gfs2_withdraw()
349 			lm->lm_unmount(sdp);  in gfs2_withdraw()
351 		set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);  in gfs2_withdraw()
352 		fs_err(sdp, "File system withdrawn\n");  in gfs2_withdraw()
354 		clear_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags);  in gfs2_withdraw()
356 		wake_up_bit(&sdp->sd_flags, SDF_WITHDRAW_IN_PROG);  in gfs2_withdraw()
359 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_withdraw()
360 		panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname);  in gfs2_withdraw()
369 void gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,  in gfs2_assert_withdraw_i()  argument
373 	if (gfs2_withdrawn(sdp))  in gfs2_assert_withdraw_i()
376 	fs_err(sdp,  in gfs2_assert_withdraw_i()
385 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_assert_withdraw_i()
389 		gfs2_withdraw_delayed(sdp);  in gfs2_assert_withdraw_i()
391 		gfs2_withdraw(sdp);  in gfs2_assert_withdraw_i()
399 void gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,  in gfs2_assert_warn_i()  argument
403 			sdp->sd_last_warning +  in gfs2_assert_warn_i()
404 			gfs2_tune_get(sdp, gt_complain_secs) * HZ))  in gfs2_assert_warn_i()
407 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW)  in gfs2_assert_warn_i()
408 		fs_warn(sdp, "warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n",  in gfs2_assert_warn_i()
411 	if (sdp->sd_args.ar_debug)  in gfs2_assert_warn_i()
416 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_assert_warn_i()
419 		      sdp->sd_fsname, assertion,  in gfs2_assert_warn_i()
420 		      sdp->sd_fsname, function, file, line);  in gfs2_assert_warn_i()
422 	sdp->sd_last_warning = jiffies;  in gfs2_assert_warn_i()
429 void gfs2_consist_i(struct gfs2_sbd *sdp, const char *function,  in gfs2_consist_i()  argument
432 	gfs2_lm(sdp,  in gfs2_consist_i()
435 	gfs2_withdraw(sdp);  in gfs2_consist_i()
445 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_consist_inode_i()  local
447 	gfs2_lm(sdp,  in gfs2_consist_inode_i()
454 	gfs2_withdraw(sdp);  in gfs2_consist_inode_i()
464 	struct gfs2_sbd *sdp = rgd->rd_sbd;  in gfs2_consist_rgrpd_i()  local
465 	char fs_id_buf[sizeof(sdp->sd_fsname) + 7];  in gfs2_consist_rgrpd_i()
467 	sprintf(fs_id_buf, "fsid=%s: ", sdp->sd_fsname);  in gfs2_consist_rgrpd_i()
469 	gfs2_lm(sdp,  in gfs2_consist_rgrpd_i()
475 	gfs2_withdraw(sdp);  in gfs2_consist_rgrpd_i()
484 int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_meta_check_ii()  argument
490 	gfs2_lm(sdp,  in gfs2_meta_check_ii()
496 	me = gfs2_withdraw(sdp);  in gfs2_meta_check_ii()
506 int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_metatype_check_ii()  argument
512 	gfs2_lm(sdp,  in gfs2_metatype_check_ii()
518 	me = gfs2_withdraw(sdp);  in gfs2_metatype_check_ii()
528 int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file,  in gfs2_io_error_i()  argument
531 	gfs2_lm(sdp,  in gfs2_io_error_i()
535 	return gfs2_withdraw(sdp);  in gfs2_io_error_i()
543 void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_io_error_bh_i()  argument
547 	if (gfs2_withdrawn(sdp))  in gfs2_io_error_bh_i()
550 	fs_err(sdp, "fatal: I/O error\n"  in gfs2_io_error_bh_i()
555 		gfs2_withdraw(sdp);  in gfs2_io_error_bh_i()