diff options
| author | Giulio Benetti <giulio.benetti@benettiengineering.com> | 2022-10-19 18:04:07 +0200 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2022-11-14 09:35:50 -0800 |
| commit | 42271ca389edb0446b9e492858b4c38083b0b9f8 (patch) | |
| tree | 6af0211c50ffa75dcf3bb59748666ddeb233b8ee | |
| parent | 9487a0f6855c1a28e4e39d41545cd19ed417c015 (diff) | |
lib/raid6: drop RAID6_USE_EMPTY_ZERO_PAGE
RAID6_USE_EMPTY_ZERO_PAGE is unused and hardcoded to 0, so let's drop it.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
| -rw-r--r-- | include/linux/raid/pq.h | 8 | ||||
| -rw-r--r-- | lib/raid6/algos.c | 2 |
2 files changed, 0 insertions, 10 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index d6e5a1feb947..f29aaaf2eb21 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -10,17 +10,9 @@ #ifdef __KERNEL__ -/* Set to 1 to use kernel-wide empty_zero_page */ -#define RAID6_USE_EMPTY_ZERO_PAGE 0 #include <linux/blkdev.h> -/* We need a pre-zeroed page... if we don't want to use the kernel-provided - one define it here */ -#if RAID6_USE_EMPTY_ZERO_PAGE -# define raid6_empty_zero_page empty_zero_page -#else extern const char raid6_empty_zero_page[PAGE_SIZE]; -#endif #else /* ! __KERNEL__ */ /* Used for testing in user space */ diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c index 39b74221f4a7..a22a05c9af8a 100644 --- a/lib/raid6/algos.c +++ b/lib/raid6/algos.c @@ -18,12 +18,10 @@ #else #include <linux/module.h> #include <linux/gfp.h> -#if !RAID6_USE_EMPTY_ZERO_PAGE /* In .bss so it's zeroed */ const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256))); EXPORT_SYMBOL(raid6_empty_zero_page); #endif -#endif struct raid6_calls raid6_call; EXPORT_SYMBOL_GPL(raid6_call); |