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Commit 8e005f7c authored by majianpeng's avatar majianpeng Committed by NeilBrown
Browse files

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: default avatarJianpeng Ma <majianpeng@gmail.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 07169fd4

drivers/md/raid1.c

+4 −4
Original line number Diff line number Diff line
@@ -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);