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| author | majianpeng <majianpeng@gmail.com> | 2013-11-14 04:16:18 (GMT) |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2013-11-19 04:19:18 (GMT) |
| commit | 8e005f7c0276317cfa8fcb0291a0df57f9ef832c (patch) | |
| tree | 277d1be6569695e963cb660563b8dc6de7e2df87 | |
| parent | 07169fd478ed2fbb3c894d524be9400658f16747 (diff) | |
| download | linux-8e005f7c0276317cfa8fcb0291a0df57f9ef832c.tar.xz | |
raid1: Add some macros to make code clearly.
In a subsequent patch, we'll use some const parameters.
Using macros will make the code clearly.
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
| -rw-r--r-- | drivers/md/raid1.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index ba5efb0..78da339 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -84,10 +84,12 @@ static void r1bio_pool_free(void *r1_bio, void *data) } #define RESYNC_BLOCK_SIZE (64*1024) -//#define RESYNC_BLOCK_SIZE PAGE_SIZE +#define RESYNC_DEPTH 32 #define RESYNC_SECTORS (RESYNC_BLOCK_SIZE >> 9) #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) -#define RESYNC_WINDOW (2048*1024) +#define RESYNC_WINDOW (RESYNC_BLOCK_SIZE * RESYNC_DEPTH) +#define RESYNC_WINDOW_SECTORS (RESYNC_WINDOW >> 9) +#define NEXT_NORMALIO_DISTANCE (3 * RESYNC_WINDOW_SECTORS) static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data) { @@ -814,8 +816,6 @@ static void flush_pending_writes(struct r1conf *conf) * there is no normal IO happeing. It must arrange to call * lower_barrier when the particular background IO completes. */ -#define RESYNC_DEPTH 32 - static void raise_barrier(struct r1conf *conf) { spin_lock_irq(&conf->resync_lock); |