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Diffstat (limited to 'fs/xfs/support/debug.c')
-rw-r--r--fs/xfs/support/debug.c60
1 files changed, 25 insertions, 35 deletions
diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c
index bb6dc91ea261..b08b3d9345b7 100644
--- a/fs/xfs/support/debug.c
+++ b/fs/xfs/support/debug.c
@@ -27,45 +27,12 @@ static DEFINE_SPINLOCK(xfs_err_lock);
27/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */ 27/* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */
28#define XFS_MAX_ERR_LEVEL 7 28#define XFS_MAX_ERR_LEVEL 7
29#define XFS_ERR_MASK ((1 << 3) - 1) 29#define XFS_ERR_MASK ((1 << 3) - 1)
30static char *err_level[XFS_MAX_ERR_LEVEL+1] = 30static const char * const err_level[XFS_MAX_ERR_LEVEL+1] =
31 {KERN_EMERG, KERN_ALERT, KERN_CRIT, 31 {KERN_EMERG, KERN_ALERT, KERN_CRIT,
32 KERN_ERR, KERN_WARNING, KERN_NOTICE, 32 KERN_ERR, KERN_WARNING, KERN_NOTICE,
33 KERN_INFO, KERN_DEBUG}; 33 KERN_INFO, KERN_DEBUG};
34 34
35void 35void
36assfail(char *a, char *f, int l)
37{
38 printk("XFS assertion failed: %s, file: %s, line: %d\n", a, f, l);
39 BUG();
40}
41
42#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))
43
44unsigned long
45random(void)
46{
47 static unsigned long RandomValue = 1;
48 /* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
49 register long rv = RandomValue;
50 register long lo;
51 register long hi;
52
53 hi = rv / 127773;
54 lo = rv % 127773;
55 rv = 16807 * lo - 2836 * hi;
56 if( rv <= 0 ) rv += 2147483647;
57 return( RandomValue = rv );
58}
59
60int
61get_thread_id(void)
62{
63 return current->pid;
64}
65
66#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */
67
68void
69cmn_err(register int level, char *fmt, ...) 36cmn_err(register int level, char *fmt, ...)
70{ 37{
71 char *fp = fmt; 38 char *fp = fmt;
@@ -90,7 +57,6 @@ cmn_err(register int level, char *fmt, ...)
90 BUG(); 57 BUG();
91} 58}
92 59
93
94void 60void
95icmn_err(register int level, char *fmt, va_list ap) 61icmn_err(register int level, char *fmt, va_list ap)
96{ 62{
@@ -109,3 +75,27 @@ icmn_err(register int level, char *fmt, va_list ap)
109 if (level == CE_PANIC) 75 if (level == CE_PANIC)
110 BUG(); 76 BUG();
111} 77}
78
79void
80assfail(char *expr, char *file, int line)
81{
82 printk("Assertion failed: %s, file: %s, line: %d\n", expr, file, line);
83 BUG();
84}
85
86#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))
87unsigned long random(void)
88{
89 static unsigned long RandomValue = 1;
90 /* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
91 register long rv = RandomValue;
92 register long lo;
93 register long hi;
94
95 hi = rv / 127773;
96 lo = rv % 127773;
97 rv = 16807 * lo - 2836 * hi;
98 if (rv <= 0) rv += 2147483647;
99 return RandomValue = rv;
100}
101#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */