joel16/android_kernel_sony_msm8994_rework
1
0
Fork 0
mirror of https://github.com/joel16/android_kernel_sony_msm8994_rework.git synced 2025-01-01 09:08:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[XFS] reducing the number of random number functions.

Browse Source 
Patch provided by Joe Perches

SGI-PV: 961696
SGI-Modid: xfs-linux-melb:xfs-kern:28209a

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Joe Perches 2007-05-08 13:49:03 +10:00 committed by Tim Shimmin
parent e9ed9d2240
commit e7a23a9b37
4 changed files with 3 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
fs/xfs/support/debug.c
View File

@ -81,20 +81,3 @@ assfail(char *expr, char *file, int line)
printk("Assertion failed: %s, file: %s, line: %d\n", expr, file, line); printk("Assertion failed: %s, file: %s, line: %d\n", expr, file, line);
BUG(); BUG();
} }
#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))
unsigned long random(void)
{
static unsigned long RandomValue = 1;
/* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
register long rv = RandomValue;
register long lo;
register long hi;
hi = rv / 127773;
lo = rv % 127773;
rv = 16807 * lo - 2836 * hi;
if (rv <= 0) rv += 2147483647;
return RandomValue = rv;
}
#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */

2
fs/xfs/support/debug.h
View File

@ -50,7 +50,7 @@ extern void assfail(char *expr, char *f, int l);
#else /* DEBUG */ #else /* DEBUG */
# define ASSERT(expr) ASSERT_ALWAYS(expr) # define ASSERT(expr) ASSERT_ALWAYS(expr)
extern unsigned long random(void); # include <linux/random.h>
#ifndef STATIC #ifndef STATIC
# define STATIC noinline # define STATIC noinline

2
fs/xfs/xfs_alloc.c
View File

@ -764,7 +764,7 @@ xfs_alloc_ag_vextent_near(
*/ */
int dofirst; /* set to do first algorithm */ int dofirst; /* set to do first algorithm */
dofirst = random() & 1; dofirst = random32() & 1;
#endif #endif
/* /*
* Get a cursor for the by-size btree. * Get a cursor for the by-size btree.

2
fs/xfs/xfs_error.c
View File

@ -80,7 +80,7 @@ xfs_error_test(int error_tag, int *fsidp, char *expression,
int i; int i;
int64_t fsid; int64_t fsid;
if (random() % randfactor) if (random32() % randfactor)
return 0; return 0;
memcpy(&fsid, fsidp, sizeof(xfs_fsid_t)); memcpy(&fsid, fsidp, sizeof(xfs_fsid_t));