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yaml
---
r: 269268
b: refs/heads/master
c: 29d3247
h: refs/heads/master
v: v3
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NeilBrown committed Oct 11, 2011
1 parent c2d7aa7 commit 397490b
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Showing 2 changed files with 2 additions and 34 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d1688a6d5515f1900af76a963b4bb6d9a6554cfa
refs/heads/master: 29d3247ea2274bca0d0b7f41fcf3b82e0a8bc44c
34 changes: 1 addition & 33 deletions trunk/drivers/md/bitmap.c
Original file line number Diff line number Diff line change
Expand Up @@ -29,27 +29,6 @@
#include "md.h"
#include "bitmap.h"

/* debug macros */

#define DEBUG 0

#if DEBUG
/* these are for debugging purposes only! */

/* define one and only one of these */
#define INJECT_FAULTS_1 0 /* cause bitmap_alloc_page to fail always */
#define INJECT_FAULTS_2 0 /* cause bitmap file to be kicked when first bit set*/
#define INJECT_FAULTS_3 0 /* treat bitmap file as kicked at init time */
#define INJECT_FAULTS_4 0 /* undef */
#define INJECT_FAULTS_5 0 /* undef */
#define INJECT_FAULTS_6 0

/* if these are defined, the driver will fail! debug only */
#define INJECT_FATAL_FAULT_1 0 /* fail kmalloc, causing bitmap_create to fail */
#define INJECT_FATAL_FAULT_2 0 /* undef */
#define INJECT_FATAL_FAULT_3 0 /* undef */
#endif

static inline char *bmname(struct bitmap *bitmap)
{
return bitmap->mddev ? mdname(bitmap->mddev) : "mdX";
Expand All @@ -62,11 +41,7 @@ static unsigned char *bitmap_alloc_page(struct bitmap *bitmap)
{
unsigned char *page;

#ifdef INJECT_FAULTS_1
page = NULL;
#else
page = kzalloc(PAGE_SIZE, GFP_NOIO);
#endif
if (!page)
printk("%s: bitmap_alloc_page FAILED\n", bmname(bitmap));
else
Expand Down Expand Up @@ -990,11 +965,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)

BUG_ON(!file && !bitmap->mddev->bitmap_info.offset);

#ifdef INJECT_FAULTS_3
outofdate = 1;
#else
outofdate = bitmap->flags & BITMAP_STALE;
#endif
if (outofdate)
printk(KERN_INFO "%s: bitmap file is out of date, doing full "
"recovery\n", bmname(bitmap));
Expand Down Expand Up @@ -1800,11 +1771,8 @@ int bitmap_create(struct mddev *mddev)
bitmap->pages = pages;
bitmap->missing_pages = pages;

#ifdef INJECT_FATAL_FAULT_1
bitmap->bp = NULL;
#else
bitmap->bp = kzalloc(pages * sizeof(*bitmap->bp), GFP_KERNEL);
#endif

err = -ENOMEM;
if (!bitmap->bp)
goto error;
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