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author | NeilBrown <neilb@suse.de> | 2011-10-11 07:49:56 +0200 |
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committer | NeilBrown <neilb@suse.de> | 2011-10-11 07:49:56 +0200 |
commit | 29d3247ea2274bca0d0b7f41fcf3b82e0a8bc44c (patch) | |
tree | 703fae8142e179a6007390a43ff48e18321f848c /drivers/md | |
parent | md/raid5: typedef removal: raid5_conf_t -> struct r5conf (diff) | |
download | linux-29d3247ea2274bca0d0b7f41fcf3b82e0a8bc44c.tar.xz linux-29d3247ea2274bca0d0b7f41fcf3b82e0a8bc44c.zip |
md/bitmap remove fault injection options.
These are too hard to use to be much more than noise.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/bitmap.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 2d5158c8d6be..7878712721bf 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -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"; @@ -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 @@ -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flags & BITMAP_STALE; -#endif if (outofdate) printk(KERN_INFO "%s: bitmap file is out of date, doing full " "recovery\n", bmname(bitmap)); @@ -1800,11 +1771,8 @@ int bitmap_create(struct mddev *mddev) bitmap-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; |