diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-22 13:08:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-22 13:08:57 +0200 |
| commit | 0b88641f1bafdbd087d5e63987a30cc0eadd63b9 (patch) | |
| tree | 81dcf756db373444140bb2623584710c628e3048 /drivers/md/raid10.c | |
| parent | fbdbf709938d155c719c76b9894d28342632c797 (diff) | |
| parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) | |
Merge commit 'v2.6.27-rc7' into x86/debug
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 159535d73567..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) kfree(r10_bio); } +/* Maximum size of each resync request */ #define RESYNC_BLOCK_SIZE (64*1024) -//#define RESYNC_BLOCK_SIZE PAGE_SIZE -#define RESYNC_SECTORS (RESYNC_BLOCK_SIZE >> 9) #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) -#define RESYNC_WINDOW (2048*1024) +/* amount of memory to reserve for resync requests */ +#define RESYNC_WINDOW (1024*1024) +/* maximum number of concurrent requests, memory permitting */ +#define RESYNC_DEPTH (32*1024*1024/RESYNC_BLOCK_SIZE) /* * When performing a resync, we need to read and compare, so @@ -215,6 +217,9 @@ static void reschedule_retry(r10bio_t *r10_bio) conf->nr_queued ++; spin_unlock_irqrestore(&conf->device_lock, flags); + /* wake up frozen array... */ + wake_up(&conf->wait_barrier); + md_wakeup_thread(mddev->thread); } @@ -687,7 +692,6 @@ static int flush_pending_writes(conf_t *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(conf_t *conf, int force) { |