xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'for-linus' of git://neil.brown.name/md

Browse Source 
* 'for-linus' of git://neil.brown.name/md:
  md: raid10: wake up frozen array
  md: do not count blocked devices as spares
  md: do not progress the resync process if the stripe was blocked
  md: delay notification of 'active_idle' to the recovery thread
  md: fix merge error
  md: move async_tx_issue_pending_all outside spin_lock_irq
This commit is contained in:
Linus Torvalds
2008-08-01 11:56:07 -07:00
parent 63a16f9016 388667bed5
commit 1e24b15b26
4 changed files with 28 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/md/raid5.c
View File

@@ -2507,7 +2507,7 @@ static void handle_stripe_expansion(raid5_conf_t *conf, struct stripe_head *sh,
*
*/
static void handle_stripe5(struct stripe_head *sh)
static bool handle_stripe5(struct stripe_head *sh)
{
raid5_conf_t *conf = sh->raid_conf;
int disks = sh->disks, i;
@@ -2717,10 +2717,11 @@ static void handle_stripe5(struct stripe_head *sh)
if (sh->reconstruct_state == reconstruct_state_result) {
sh->reconstruct_state = reconstruct_state_idle;
clear_bit(STRIPE_EXPANDING, &sh->state);
for (i = conf->raid_disks; i--; )
for (i = conf->raid_disks; i--; ) {
set_bit(R5_Wantwrite, &sh->dev[i].flags);
set_bit(R5_LOCKED, &dev->flags);
set_bit(R5_LOCKED, &sh->dev[i].flags);
s.locked++;
}
}
if (s.expanded && test_bit(STRIPE_EXPANDING, &sh->state) &&
@@ -2754,9 +2755,11 @@ static void handle_stripe5(struct stripe_head *sh)
ops_run_io(sh, &s);
return_io(return_bi);
return blocked_rdev == NULL;
}
static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
static bool handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
{
raid6_conf_t *conf = sh->raid_conf;
int disks = sh->disks;
@@ -2967,14 +2970,17 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
ops_run_io(sh, &s);
return_io(return_bi);
return blocked_rdev == NULL;
}
static void handle_stripe(struct stripe_head *sh, struct page *tmp_page)
/* returns true if the stripe was handled */
static bool handle_stripe(struct stripe_head *sh, struct page *tmp_page)
{
if (sh->raid_conf->level == 6)
handle_stripe6(sh, tmp_page);
return handle_stripe6(sh, tmp_page);
else
handle_stripe5(sh);
return handle_stripe5(sh);
}
@@ -3692,7 +3698,9 @@ static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *ski
clear_bit(STRIPE_INSYNC, &sh->state);
spin_unlock(&sh->lock);
handle_stripe(sh, NULL);
/* wait for any blocked device to be handled */
while(unlikely(!handle_stripe(sh, NULL)))
;
release_stripe(sh);
return STRIPE_SECTORS;
@@ -3811,10 +3819,8 @@ static void raid5d(mddev_t *mddev)
sh = __get_priority_stripe(conf);
if (!sh) {
async_tx_issue_pending_all();
if (!sh)
break;
}
spin_unlock_irq(&conf->device_lock);
handled++;
@@ -3827,6 +3833,7 @@ static void raid5d(mddev_t *mddev)
spin_unlock_irq(&conf->device_lock);
async_tx_issue_pending_all();
unplug_slaves(mddev);
pr_debug("--- raid5d inactive\n");