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[PATCH] md: make sure raid5/raid6 resync uses correct 'max_sectors'

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The default resync_max_sector is set to "mddev->size << 1".  If the
raid-personality-module updates mddev->size, it must update
resync_max_sectors too.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2005-07-31 22:34:50 -07:00 committed by Linus Torvalds
parent 57ee67af35
commit b158156618
2 changed files with 2 additions and 0 deletions
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1
drivers/md/raid5.c
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@ -1653,6 +1653,7 @@ static int run (mddev_t *mddev)
/* device size must be a multiple of chunk size */
mddev->size &= ~(mddev->chunk_size/1024 -1);
mddev->resync_max_sectors = mddev->size << 1;
if (!conf->chunk_size || conf->chunk_size % 4) {
printk(KERN_ERR "raid5: invalid chunk size %d for %s\n",

1
drivers/md/raid6main.c
View File

@ -1813,6 +1813,7 @@ static int run (mddev_t *mddev)
/* device size must be a multiple of chunk size */
mddev->size &= ~(mddev->chunk_size/1024 -1);
mddev->resync_max_sectors = mddev->size << 1;
if (conf->raid_disks < 4) {
printk(KERN_ERR "raid6: not enough configured devices for %s (%d, minimum 4)\n",