diff options
| author | majianpeng <majianpeng@gmail.com> | 2013-11-14 05:16:18 +0100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2013-11-19 05:19:18 +0100 |
| commit | 8e005f7c0276317cfa8fcb0291a0df57f9ef832c (patch) | |
| tree | 277d1be6569695e963cb660563b8dc6de7e2df87 /drivers/md/raid1.c | |
| parent | raid1: Replace raise_barrier/lower_barrier with freeze_array/unfreeze_array w... (diff) | |
| download | linux-8e005f7c0276317cfa8fcb0291a0df57f9ef832c.tar.xz linux-8e005f7c0276317cfa8fcb0291a0df57f9ef832c.zip | |
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>
Diffstat (limited to 'drivers/md/raid1.c')
| -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 ba5efb080862..78da3392f577 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); |