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[PATCH] md: remove 'working_disks' from raid10 state

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It isn't needed as mddev->degraded contains equivalent info.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-10-03 01:15:48 -07:00 committed by Linus Torvalds
parent 02c2de8cc8
commit 76186dd8b7
2 changed files with 4 additions and 9 deletions
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12
drivers/md/raid10.c
View File

@ -921,7 +921,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
seq_printf(seq, " %d far-copies", conf->far_copies);
}
seq_printf(seq, " [%d/%d] [", conf->raid_disks,
conf->working_disks);
conf->raid_disks - mddev->degraded);
for (i = 0; i < conf->raid_disks; i++)
seq_printf(seq, "%s",
conf->mirrors[i].rdev &&
@ -941,7 +941,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
* else mark the drive as failed
*/
if (test_bit(In_sync, &rdev->flags)
&& conf->working_disks == 1)
&& conf->raid_disks-mddev->degraded == 1)
/*
* Don't fail the drive, just return an IO error.
* The test should really be more sophisticated than
@ -952,7 +952,6 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
return;
if (test_bit(In_sync, &rdev->flags)) {
mddev->degraded++;
conf->working_disks--;
/*
* if recovery is running, make sure it aborts.
*/
@ -963,7 +962,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
set_bit(MD_CHANGE_DEVS, &mddev->flags);
printk(KERN_ALERT "raid10: Disk failure on %s, disabling device. \n"
" Operation continuing on %d devices\n",
bdevname(rdev->bdev,b), conf->working_disks);
bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded);
}
static void print_conf(conf_t *conf)
@ -976,7 +975,7 @@ static void print_conf(conf_t *conf)
printk("(!conf)\n");
return;
}
printk(" --- wd:%d rd:%d\n", conf->working_disks,
printk(" --- wd:%d rd:%d\n", conf->raid_disks - conf->mddev->degraded,
conf->raid_disks);
for (i = 0; i < conf->raid_disks; i++) {
@ -1035,7 +1034,6 @@ static int raid10_spare_active(mddev_t *mddev)
if (tmp->rdev
&& !test_bit(Faulty, &tmp->rdev->flags)
&& !test_bit(In_sync, &tmp->rdev->flags)) {
conf->working_disks++;
mddev->degraded--;
set_bit(In_sync, &tmp->rdev->flags);
}
@ -2035,8 +2033,6 @@ static int run(mddev_t *mddev)
mddev->queue->max_sectors = (PAGE_SIZE>>9);
disk->head_position = 0;
if (!test_bit(Faulty, &rdev->flags) && test_bit(In_sync, &rdev->flags))
conf->working_disks++;
}
conf->raid_disks = mddev->raid_disks;
conf->mddev = mddev;

1
include/linux/raid/raid10.h
View File

@ -16,7 +16,6 @@ struct r10_private_data_s {
mddev_t *mddev;
mirror_info_t *mirrors;
int raid_disks;
int working_disks;
spinlock_t device_lock;
/* geometry */