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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 14:02:17 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 14:02:17 -0400
commit996abf053eec4d67136be8b911bbaaf989cfb99c (patch)
treee2596756d7f74d06a937b2e71306cd3827ad9947 /drivers/mtd/ubi/debug.h
parent93082f0b15841b8926c38ef224d0e6f720000635 (diff)
parentd37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff)
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
* 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6: (22 commits) UBI: always start the background thread UBI: fix gcc warning UBI: remove pre-sqnum images support UBI: fix kernel-doc errors and warnings UBI: fix checkpatch.pl errors and warnings UBI: bugfix - do not torture PEB needlessly UBI: rework scrubbing messages UBI: implement multiple volumes rename UBI: fix and re-work debugging stuff UBI: amend commentaries UBI: fix error message UBI: improve mkvol request validation UBI: add ubi_sync() interface UBI: fix 64-bit calculations UBI: fix LEB locking UBI: fix memory leak on error path UBI: do not forget to free internal volumes UBI: fix memory leak UBI: avoid unnecessary division operations UBI: fix buffer padding ...
Diffstat (limited to 'drivers/mtd/ubi/debug.h')
-rw-r--r--drivers/mtd/ubi/debug.h74
1 files changed, 47 insertions, 27 deletions
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index 8ea99d8c9e1f..78e914d23ece 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -24,21 +24,16 @@
24#ifdef CONFIG_MTD_UBI_DEBUG 24#ifdef CONFIG_MTD_UBI_DEBUG
25#include <linux/random.h> 25#include <linux/random.h>
26 26
27#define ubi_assert(expr) BUG_ON(!(expr))
28#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__) 27#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__)
29#else
30#define ubi_assert(expr) ({})
31#define dbg_err(fmt, ...) ({})
32#endif
33 28
34#ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT 29#define ubi_assert(expr) do { \
35#define DBG_DISABLE_BGT 1 30 if (unlikely(!(expr))) { \
36#else 31 printk(KERN_CRIT "UBI assert failed in %s at %u (pid %d)\n", \
37#define DBG_DISABLE_BGT 0 32 __func__, __LINE__, current->pid); \
38#endif 33 ubi_dbg_dump_stack(); \
34 } \
35} while (0)
39 36
40#ifdef CONFIG_MTD_UBI_DEBUG_MSG
41/* Generic debugging message */
42#define dbg_msg(fmt, ...) \ 37#define dbg_msg(fmt, ...) \
43 printk(KERN_DEBUG "UBI DBG (pid %d): %s: " fmt "\n", \ 38 printk(KERN_DEBUG "UBI DBG (pid %d): %s: " fmt "\n", \
44 current->pid, __func__, ##__VA_ARGS__) 39 current->pid, __func__, ##__VA_ARGS__)
@@ -61,36 +56,29 @@ void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv);
61void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type); 56void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type);
62void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req); 57void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
63 58
59#ifdef CONFIG_MTD_UBI_DEBUG_MSG
60/* General debugging messages */
61#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
64#else 62#else
65 63#define dbg_gen(fmt, ...) ({})
66#define dbg_msg(fmt, ...) ({}) 64#endif
67#define ubi_dbg_dump_stack() ({})
68#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
69#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
70#define ubi_dbg_dump_vol_info(vol) ({})
71#define ubi_dbg_dump_vtbl_record(r, idx) ({})
72#define ubi_dbg_dump_sv(sv) ({})
73#define ubi_dbg_dump_seb(seb, type) ({})
74#define ubi_dbg_dump_mkvol_req(req) ({})
75
76#endif /* CONFIG_MTD_UBI_DEBUG_MSG */
77 65
78#ifdef CONFIG_MTD_UBI_DEBUG_MSG_EBA 66#ifdef CONFIG_MTD_UBI_DEBUG_MSG_EBA
79/* Messages from the eraseblock association unit */ 67/* Messages from the eraseblock association sub-system */
80#define dbg_eba(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) 68#define dbg_eba(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
81#else 69#else
82#define dbg_eba(fmt, ...) ({}) 70#define dbg_eba(fmt, ...) ({})
83#endif 71#endif
84 72
85#ifdef CONFIG_MTD_UBI_DEBUG_MSG_WL 73#ifdef CONFIG_MTD_UBI_DEBUG_MSG_WL
86/* Messages from the wear-leveling unit */ 74/* Messages from the wear-leveling sub-system */
87#define dbg_wl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) 75#define dbg_wl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
88#else 76#else
89#define dbg_wl(fmt, ...) ({}) 77#define dbg_wl(fmt, ...) ({})
90#endif 78#endif
91 79
92#ifdef CONFIG_MTD_UBI_DEBUG_MSG_IO 80#ifdef CONFIG_MTD_UBI_DEBUG_MSG_IO
93/* Messages from the input/output unit */ 81/* Messages from the input/output sub-system */
94#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) 82#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
95#else 83#else
96#define dbg_io(fmt, ...) ({}) 84#define dbg_io(fmt, ...) ({})
@@ -105,6 +93,12 @@ void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
105#define UBI_IO_DEBUG 0 93#define UBI_IO_DEBUG 0
106#endif 94#endif
107 95
96#ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
97#define DBG_DISABLE_BGT 1
98#else
99#define DBG_DISABLE_BGT 0
100#endif
101
108#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_BITFLIPS 102#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_BITFLIPS
109/** 103/**
110 * ubi_dbg_is_bitflip - if it is time to emulate a bit-flip. 104 * ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
@@ -149,4 +143,30 @@ static inline int ubi_dbg_is_erase_failure(void)
149#define ubi_dbg_is_erase_failure() 0 143#define ubi_dbg_is_erase_failure() 0
150#endif 144#endif
151 145
146#else
147
148#define ubi_assert(expr) ({})
149#define dbg_err(fmt, ...) ({})
150#define dbg_msg(fmt, ...) ({})
151#define dbg_gen(fmt, ...) ({})
152#define dbg_eba(fmt, ...) ({})
153#define dbg_wl(fmt, ...) ({})
154#define dbg_io(fmt, ...) ({})
155#define dbg_bld(fmt, ...) ({})
156#define ubi_dbg_dump_stack() ({})
157#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
158#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
159#define ubi_dbg_dump_vol_info(vol) ({})
160#define ubi_dbg_dump_vtbl_record(r, idx) ({})
161#define ubi_dbg_dump_sv(sv) ({})
162#define ubi_dbg_dump_seb(seb, type) ({})
163#define ubi_dbg_dump_mkvol_req(req) ({})
164
165#define UBI_IO_DEBUG 0
166#define DBG_DISABLE_BGT 0
167#define ubi_dbg_is_bitflip() 0
168#define ubi_dbg_is_write_failure() 0
169#define ubi_dbg_is_erase_failure() 0
170
171#endif /* !CONFIG_MTD_UBI_DEBUG */
152#endif /* !__UBI_DEBUG_H__ */ 172#endif /* !__UBI_DEBUG_H__ */