1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (C) 2006-2008 Nokia Corporation.
29  * ubifs_debug_info - per-FS debugging information.
30  * @old_zroot: old index root - used by 'dbg_check_old_index()'
31  * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
32  * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
34  * @pc_happened: non-zero if an emulated power cut happened
45  * @new_ihead_lnum: used by debugging to check @c->ihead_lnum
46  * @new_ihead_offs: used by debugging to check @c->ihead_offs
51  * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt
60  * @dfs_dir_name: name of debugfs directory containing this file-system's files
61  * @dfs_dir: direntry object of the file-system debugfs directory
65  * @dfs_chk_gen: debugfs knob to enable UBIFS general extra checks
66  * @dfs_chk_index: debugfs knob to enable UBIFS index extra checks
67  * @dfs_chk_orph: debugfs knob to enable UBIFS orphans extra checks
68  * @dfs_chk_lprops: debugfs knob to enable UBIFS LEP properties extra checks
69  * @dfs_chk_fs: debugfs knob to enable UBIFS contents extra checks
70  * @dfs_tst_rcvry: debugfs knob to enable UBIFS recovery testing
72  *                re-mounting to R/O mode because it does not flush any buffers
73  *                and UBIFS just starts returning -EROFS on all write
122  * ubifs_global_debug_info - global (not per-FS) UBIFS debugging information.
151 	if (unlikely(down_write_trylock(&(c)->commit_sem))) {                  \
152 		up_write(&(c)->commit_sem);                                    \
159 	pr_debug("UBIFS DBG " type " (pid %d): " fmt "\n", current->pid,       \
163 #define ubifs_dbg_msg_key(type, key, fmt, ...) do {                            \  argument
165 	pr_debug("UBIFS DBG " type " (pid %d): " fmt "%s\n", current->pid,     \
167 		 dbg_snprintf_key(c, key, __tmp_key_buf, DBG_KEY_BUF_LEN));    \
174 #define dbg_jnlk(key, fmt, ...) \  argument
175 	ubifs_dbg_msg_key("jnl", key, fmt, ##__VA_ARGS__)
178 #define dbg_tnck(key, fmt, ...) \  argument
179 	ubifs_dbg_msg_key("tnc", key, fmt, ##__VA_ARGS__)
186 #define dbg_mntk(key, fmt, ...) \  argument
187 	ubifs_dbg_msg_key("mnt", key, fmt, ##__VA_ARGS__)
207 	return !!(ubifs_dbg.chk_gen || c->dbg->chk_gen);  in dbg_is_chk_gen()
211 	return !!(ubifs_dbg.chk_index || c->dbg->chk_index);  in dbg_is_chk_index()
215 	return !!(ubifs_dbg.chk_orph || c->dbg->chk_orph);  in dbg_is_chk_orph()
219 	return !!(ubifs_dbg.chk_lprops || c->dbg->chk_lprops);  in dbg_is_chk_lprops()
223 	return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs);  in dbg_is_chk_fs()
227 	return !!(ubifs_dbg.tst_rcvry || c->dbg->tst_rcvry);  in dbg_is_tst_rcvry()
231 	return !!c->dbg->pc_happened;  in dbg_is_power_cut()
242 			     const union ubifs_key *key);
244 			     const union ubifs_key *key, char *buffer, int len);
299 /* Debugfs-related stuff */