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authorIngo Molnar <mingo@elte.hu>2008-09-04 07:02:35 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-04 07:02:35 -0400
commit42390cdec5f6e6e2ee54f308474a6ef7dd16aa5c (patch)
treee9684c84f53272319a5acd4b9c86503f30274a51 /drivers/md/raid10.c
parent11c231a962c740b3216eb6565149ae5a7944cba7 (diff)
parentd210baf53b699fc61aa891c177b71d7082d3b957 (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: arch/x86/kernel/cpu/cyrix.c include/asm-x86/cpufeature.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/md/raid10.c')
-rw-r--r--drivers/md/raid10.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d41bebb6da0f..e34cd0e62473 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -76,11 +76,13 @@ static void r10bio_pool_free(void *r10_bio, void *data)
76 kfree(r10_bio); 76 kfree(r10_bio);
77} 77}
78 78
79/* Maximum size of each resync request */
79#define RESYNC_BLOCK_SIZE (64*1024) 80#define RESYNC_BLOCK_SIZE (64*1024)
80//#define RESYNC_BLOCK_SIZE PAGE_SIZE
81#define RESYNC_SECTORS (RESYNC_BLOCK_SIZE >> 9)
82#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) 81#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
83#define RESYNC_WINDOW (2048*1024) 82/* amount of memory to reserve for resync requests */
83#define RESYNC_WINDOW (1024*1024)
84/* maximum number of concurrent requests, memory permitting */
85#define RESYNC_DEPTH (32*1024*1024/RESYNC_BLOCK_SIZE)
84 86
85/* 87/*
86 * When performing a resync, we need to read and compare, so 88 * When performing a resync, we need to read and compare, so
@@ -690,7 +692,6 @@ static int flush_pending_writes(conf_t *conf)
690 * there is no normal IO happeing. It must arrange to call 692 * there is no normal IO happeing. It must arrange to call
691 * lower_barrier when the particular background IO completes. 693 * lower_barrier when the particular background IO completes.
692 */ 694 */
693#define RESYNC_DEPTH 32
694 695
695static void raise_barrier(conf_t *conf, int force) 696static void raise_barrier(conf_t *conf, int force)
696{ 697{