UBIFS: switch to dynamic printks
Switch to debugging using dynamic printk (pr_debug()). There is no good reason to carry custom debugging prints if there is so cool and powerful generic dynamic printk infrastructure, see Documentation/dynamic-debug-howto.txt. With dynamic printks we can switch on/of individual prints, per-file, per-function and per format messages. This means that instead of doing old-fashioned echo 1 > /sys/module/ubifs/parameters/debug_msgs to enable general messages, we can do: echo 'format "UBIFS DBG gen" +ptlf' > control to enable general messages and additionally ask the dynamic printk infrastructure to print process ID, line number and function name. So there is no reason to keep UBIFS-specific crud if there is more powerful generic thing. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
132
fs/ubifs/debug.h
132
fs/ubifs/debug.h
@@ -109,19 +109,6 @@ struct ubifs_debug_info {
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#define dbg_dump_stack() dump_stack()
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/* Generic debugging messages */
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#define dbg_msg(fmt, ...) do { \
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spin_lock(&dbg_lock); \
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printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \
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__func__, ##__VA_ARGS__); \
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spin_unlock(&dbg_lock); \
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} while (0)
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#define dbg_do_msg(typ, fmt, ...) do { \
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if (ubifs_msg_flags & typ) \
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dbg_msg(fmt, ##__VA_ARGS__); \
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} while (0)
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#define dbg_err(fmt, ...) do { \
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spin_lock(&dbg_lock); \
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ubifs_err(fmt, ##__VA_ARGS__); \
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@@ -140,77 +127,40 @@ const char *dbg_key_str1(const struct ubifs_info *c,
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#define DBGKEY(key) dbg_key_str0(c, (key))
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#define DBGKEY1(key) dbg_key_str1(c, (key))
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#define ubifs_dbg_msg(type, fmt, ...) do { \
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spin_lock(&dbg_lock); \
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pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__); \
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spin_unlock(&dbg_lock); \
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} while (0)
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/* Just a debugging messages not related to any specific UBIFS subsystem */
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#define dbg_msg(fmt, ...) ubifs_dbg_msg("msg", fmt, ##__VA_ARGS__)
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/* General messages */
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#define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__)
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#define dbg_gen(fmt, ...) ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__)
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/* Additional journal messages */
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#define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
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#define dbg_jnl(fmt, ...) ubifs_dbg_msg("jnl", fmt, ##__VA_ARGS__)
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/* Additional TNC messages */
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#define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
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#define dbg_tnc(fmt, ...) ubifs_dbg_msg("tnc", fmt, ##__VA_ARGS__)
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/* Additional lprops messages */
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#define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
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#define dbg_lp(fmt, ...) ubifs_dbg_msg("lp", fmt, ##__VA_ARGS__)
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/* Additional LEB find messages */
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#define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
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#define dbg_find(fmt, ...) ubifs_dbg_msg("find", fmt, ##__VA_ARGS__)
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/* Additional mount messages */
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#define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
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#define dbg_mnt(fmt, ...) ubifs_dbg_msg("mnt", fmt, ##__VA_ARGS__)
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/* Additional I/O messages */
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#define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
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#define dbg_io(fmt, ...) ubifs_dbg_msg("io", fmt, ##__VA_ARGS__)
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/* Additional commit messages */
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#define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
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#define dbg_cmt(fmt, ...) ubifs_dbg_msg("cmt", fmt, ##__VA_ARGS__)
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/* Additional budgeting messages */
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#define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
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#define dbg_budg(fmt, ...) ubifs_dbg_msg("budg", fmt, ##__VA_ARGS__)
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/* Additional log messages */
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#define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
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#define dbg_log(fmt, ...) ubifs_dbg_msg("log", fmt, ##__VA_ARGS__)
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/* Additional gc messages */
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#define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
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#define dbg_gc(fmt, ...) ubifs_dbg_msg("gc", fmt, ##__VA_ARGS__)
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/* Additional scan messages */
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#define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
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#define dbg_scan(fmt, ...) ubifs_dbg_msg("scan", fmt, ##__VA_ARGS__)
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/* Additional recovery messages */
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#define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__)
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/*
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* Debugging message type flags.
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*
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* UBIFS_MSG_GEN: general messages
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* UBIFS_MSG_JNL: journal messages
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* UBIFS_MSG_MNT: mount messages
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* UBIFS_MSG_CMT: commit messages
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* UBIFS_MSG_FIND: LEB find messages
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* UBIFS_MSG_BUDG: budgeting messages
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* UBIFS_MSG_GC: garbage collection messages
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* UBIFS_MSG_TNC: TNC messages
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* UBIFS_MSG_LP: lprops messages
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* UBIFS_MSG_IO: I/O messages
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* UBIFS_MSG_LOG: log messages
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* UBIFS_MSG_SCAN: scan messages
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* UBIFS_MSG_RCVRY: recovery messages
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*/
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enum {
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UBIFS_MSG_GEN = 0x1,
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UBIFS_MSG_JNL = 0x2,
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UBIFS_MSG_MNT = 0x4,
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UBIFS_MSG_CMT = 0x8,
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UBIFS_MSG_FIND = 0x10,
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UBIFS_MSG_BUDG = 0x20,
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UBIFS_MSG_GC = 0x40,
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UBIFS_MSG_TNC = 0x80,
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UBIFS_MSG_LP = 0x100,
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UBIFS_MSG_IO = 0x200,
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UBIFS_MSG_LOG = 0x400,
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UBIFS_MSG_SCAN = 0x800,
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UBIFS_MSG_RCVRY = 0x1000,
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};
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#define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__)
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/*
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* Debugging check flags.
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@@ -368,33 +318,33 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c);
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__func__, __LINE__, current->pid); \
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} while (0)
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#define dbg_err(fmt, ...) do { \
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if (0) \
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ubifs_err(fmt, ##__VA_ARGS__); \
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#define dbg_err(fmt, ...) do { \
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if (0) \
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ubifs_err(fmt, ##__VA_ARGS__); \
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} while (0)
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#define dbg_msg(fmt, ...) do { \
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if (0) \
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printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", \
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current->pid, __func__, ##__VA_ARGS__); \
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#define ubifs_dbg_msg(fmt, ...) do { \
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if (0) \
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pr_debug(fmt "\n", ##__VA_ARGS__); \
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} while (0)
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#define dbg_dump_stack()
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#define ubifs_assert_cmt_locked(c)
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#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_jnl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_tnc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_lp(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_find(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_mnt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_cmt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_budg(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_log(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_gc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_scan(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_msg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_gen(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_jnl(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_tnc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_lp(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_find(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_mnt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_io(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_cmt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_budg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_log(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_gc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__)
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#define DBGKEY(key) ((char *)(key))
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#define DBGKEY1(key) ((char *)(key))
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