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
51 int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,  in check_journal_clean()  argument
64 			fs_err(sdp, "Error %d locking journal for spectator "  in check_journal_clean()
71 			fs_err(sdp, "Error checking journal for spectator "  in check_journal_clean()
78 			fs_err(sdp, "Error parsing journal for spectator "  in check_journal_clean()
85 			fs_err(sdp, "jid=%u: Journal is dirty, so the first "  in check_journal_clean()
97  * @sdp: the superblock
101 int gfs2_freeze_lock(struct gfs2_sbd *sdp, struct gfs2_holder *freeze_gh,  in gfs2_freeze_lock()  argument
107 	error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, flags,  in gfs2_freeze_lock()
110 		fs_err(sdp, "can't lock the freeze lock: %d\n", error);  in gfs2_freeze_lock()
120 static void signal_our_withdraw(struct gfs2_sbd *sdp)  in signal_our_withdraw()  argument
122 	struct gfs2_glock *live_gl = sdp->sd_live_gh.gh_gl;  in signal_our_withdraw()
127 	int log_write_allowed = test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in signal_our_withdraw()
131 	if (test_bit(SDF_NORECOVERY, &sdp->sd_flags) || !sdp->sd_jdesc)  in signal_our_withdraw()
134 	gfs2_ail_drain(sdp); /* frees all transactions */  in signal_our_withdraw()
135 	inode = sdp->sd_jdesc->jd_inode;  in signal_our_withdraw()
141 	set_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
153 	clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);  in signal_our_withdraw()
154 	if (!sb_rdonly(sdp->sd_vfs)) {  in signal_our_withdraw()
158 		if (sdp->sd_freeze_gl &&  in signal_our_withdraw()
159 		    !gfs2_glock_is_locked_by_me(sdp->sd_freeze_gl)) {  in signal_our_withdraw()
160 			ret = gfs2_freeze_lock(sdp, &freeze_gh,  in signal_our_withdraw()
166 			gfs2_make_fs_ro(sdp);  in signal_our_withdraw()
171 		gfs2_gl_dq_holders(sdp);  in signal_our_withdraw()
175 	if (sdp->sd_lockstruct.ls_ops->lm_lock == NULL) { /* lock_nolock */  in signal_our_withdraw()
178 		clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
184 	if (gfs2_holder_initialized(&sdp->sd_journal_gh)) {  in signal_our_withdraw()
185 		gfs2_glock_dq_wait(&sdp->sd_journal_gh);  in signal_our_withdraw()
186 		gfs2_holder_uninit(&sdp->sd_journal_gh);  in signal_our_withdraw()
188 	sdp->sd_jinode_gh.gh_flags |= GL_NOCACHE;  in signal_our_withdraw()
189 	gfs2_glock_dq(&sdp->sd_jinode_gh);  in signal_our_withdraw()
190 	if (test_bit(SDF_FS_FROZEN, &sdp->sd_flags)) {  in signal_our_withdraw()
192 		flush_work(&sdp->sd_freeze_work);  in signal_our_withdraw()
193 		atomic_set(&sdp->sd_freeze_state, SFS_FROZEN);  in signal_our_withdraw()
194 		thaw_super(sdp->sd_vfs);  in signal_our_withdraw()
203 	gfs2_holder_uninit(&sdp->sd_jinode_gh);  in signal_our_withdraw()
212 	sdp->sd_jdesc->jd_inode = NULL;  in signal_our_withdraw()
227 	gfs2_glock_dq_wait(&sdp->sd_live_gh);  in signal_our_withdraw()
233 	fs_warn(sdp, "Requesting recovery of jid %d.\n",  in signal_our_withdraw()
234 		sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
237 			   &sdp->sd_live_gh);  in signal_our_withdraw()
242 	ret = gfs2_glock_nq(&sdp->sd_live_gh);  in signal_our_withdraw()
255 		fs_warn(sdp, "No other mounters found. Trying to recover our "  in signal_our_withdraw()
256 			"own journal jid %d.\n", sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
257 		if (gfs2_recover_journal(sdp->sd_jdesc, 1))  in signal_our_withdraw()
258 			fs_warn(sdp, "Unable to recover our journal jid %d.\n",  in signal_our_withdraw()
259 				sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
260 		gfs2_glock_dq_wait(&sdp->sd_live_gh);  in signal_our_withdraw()
263 				   &sdp->sd_live_gh);  in signal_our_withdraw()
264 		gfs2_glock_nq(&sdp->sd_live_gh);  in signal_our_withdraw()
268 	clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);  in signal_our_withdraw()
280 	inode = gfs2_inode_lookup(sdp->sd_vfs, DT_UNKNOWN,  in signal_our_withdraw()
281 				  sdp->sd_jdesc->jd_no_addr, no_formal_ino,  in signal_our_withdraw()
284 		fs_warn(sdp, "Reprocessing of jid %d failed with %ld.\n",  in signal_our_withdraw()
285 			sdp->sd_lockstruct.ls_jid, PTR_ERR(inode));  in signal_our_withdraw()
288 	sdp->sd_jdesc->jd_inode = inode;  in signal_our_withdraw()
295 		ret = check_journal_clean(sdp, sdp->sd_jdesc, false);  in signal_our_withdraw()
299 		fs_warn(sdp, "Waiting for journal recovery jid %d.\n",  in signal_our_withdraw()
300 			sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
304 		fs_warn(sdp, "Journal recovery complete for jid %d.\n",  in signal_our_withdraw()
305 			sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
307 		fs_warn(sdp, "Journal recovery skipped for jid %d until next "  in signal_our_withdraw()
308 			"mount.\n", sdp->sd_lockstruct.ls_jid);  in signal_our_withdraw()
309 	fs_warn(sdp, "Glock dequeues delayed: %lu\n", sdp->sd_glock_dqs_held);  in signal_our_withdraw()
310 	sdp->sd_glock_dqs_held = 0;  in signal_our_withdraw()
311 	wake_up_bit(&sdp->sd_flags, SDF_WITHDRAW_RECOVERY);  in signal_our_withdraw()
314 void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...)  in gfs2_lm()  argument
319 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&  in gfs2_lm()
320 	    test_bit(SDF_WITHDRAWN, &sdp->sd_flags))  in gfs2_lm()
326 	fs_err(sdp, "%pV", &vaf);  in gfs2_lm()
330 int gfs2_withdraw(struct gfs2_sbd *sdp)  in gfs2_withdraw()  argument
332 	struct lm_lockstruct *ls = &sdp->sd_lockstruct;  in gfs2_withdraw()
335 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW &&  in gfs2_withdraw()
336 	    test_and_set_bit(SDF_WITHDRAWN, &sdp->sd_flags)) {  in gfs2_withdraw()
337 		if (!test_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags))  in gfs2_withdraw()
340 		wait_on_bit(&sdp->sd_flags, SDF_WITHDRAW_IN_PROG,  in gfs2_withdraw()
345 	set_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags);  in gfs2_withdraw()
347 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW) {  in gfs2_withdraw()
348 		fs_err(sdp, "about to withdraw this file system\n");  in gfs2_withdraw()
349 		BUG_ON(sdp->sd_args.ar_debug);  in gfs2_withdraw()
351 		signal_our_withdraw(sdp);  in gfs2_withdraw()
353 		kobject_uevent(&sdp->sd_kobj, KOBJ_OFFLINE);  in gfs2_withdraw()
355 		if (!strcmp(sdp->sd_lockstruct.ls_ops->lm_proto_name, "lock_dlm"))  in gfs2_withdraw()
356 			wait_for_completion(&sdp->sd_wdack);  in gfs2_withdraw()
359 			fs_err(sdp, "telling LM to unmount\n");  in gfs2_withdraw()
360 			lm->lm_unmount(sdp);  in gfs2_withdraw()
362 		set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);  in gfs2_withdraw()
363 		fs_err(sdp, "File system withdrawn\n");  in gfs2_withdraw()
365 		clear_bit(SDF_WITHDRAW_IN_PROG, &sdp->sd_flags);  in gfs2_withdraw()
367 		wake_up_bit(&sdp->sd_flags, SDF_WITHDRAW_IN_PROG);  in gfs2_withdraw()
370 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_withdraw()
371 		panic("GFS2: fsid=%s: panic requested\n", sdp->sd_fsname);  in gfs2_withdraw()
380 void gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,  in gfs2_assert_withdraw_i()  argument
384 	if (gfs2_withdrawn(sdp))  in gfs2_assert_withdraw_i()
387 	fs_err(sdp,  in gfs2_assert_withdraw_i()
396 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_assert_withdraw_i()
400 		gfs2_withdraw_delayed(sdp);  in gfs2_assert_withdraw_i()
402 		gfs2_withdraw(sdp);  in gfs2_assert_withdraw_i()
410 void gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,  in gfs2_assert_warn_i()  argument
414 			sdp->sd_last_warning +  in gfs2_assert_warn_i()
415 			gfs2_tune_get(sdp, gt_complain_secs) * HZ))  in gfs2_assert_warn_i()
418 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_WITHDRAW)  in gfs2_assert_warn_i()
419 		fs_warn(sdp, "warning: assertion \"%s\" failed at function = %s, file = %s, line = %u\n",  in gfs2_assert_warn_i()
422 	if (sdp->sd_args.ar_debug)  in gfs2_assert_warn_i()
427 	if (sdp->sd_args.ar_errors == GFS2_ERRORS_PANIC)  in gfs2_assert_warn_i()
430 		      sdp->sd_fsname, assertion,  in gfs2_assert_warn_i()
431 		      sdp->sd_fsname, function, file, line);  in gfs2_assert_warn_i()
433 	sdp->sd_last_warning = jiffies;  in gfs2_assert_warn_i()
440 void gfs2_consist_i(struct gfs2_sbd *sdp, const char *function,  in gfs2_consist_i()  argument
443 	gfs2_lm(sdp,  in gfs2_consist_i()
446 	gfs2_withdraw(sdp);  in gfs2_consist_i()
456 	struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);  in gfs2_consist_inode_i()  local
458 	gfs2_lm(sdp,  in gfs2_consist_inode_i()
466 	gfs2_withdraw(sdp);  in gfs2_consist_inode_i()
476 	struct gfs2_sbd *sdp = rgd->rd_sbd;  in gfs2_consist_rgrpd_i()  local
477 	char fs_id_buf[sizeof(sdp->sd_fsname) + 7];  in gfs2_consist_rgrpd_i()
479 	sprintf(fs_id_buf, "fsid=%s: ", sdp->sd_fsname);  in gfs2_consist_rgrpd_i()
481 	gfs2_lm(sdp,  in gfs2_consist_rgrpd_i()
488 	gfs2_withdraw(sdp);  in gfs2_consist_rgrpd_i()
497 int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_meta_check_ii()  argument
503 	gfs2_lm(sdp,  in gfs2_meta_check_ii()
509 	me = gfs2_withdraw(sdp);  in gfs2_meta_check_ii()
519 int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_metatype_check_ii()  argument
525 	gfs2_lm(sdp,  in gfs2_metatype_check_ii()
531 	me = gfs2_withdraw(sdp);  in gfs2_metatype_check_ii()
541 int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, char *file,  in gfs2_io_error_i()  argument
544 	gfs2_lm(sdp,  in gfs2_io_error_i()
548 	return gfs2_withdraw(sdp);  in gfs2_io_error_i()
556 void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_io_error_bh_i()  argument
560 	if (gfs2_withdrawn(sdp))  in gfs2_io_error_bh_i()
563 	fs_err(sdp, "fatal: I/O error\n"  in gfs2_io_error_bh_i()
568 		gfs2_withdraw(sdp);  in gfs2_io_error_bh_i()