Subject:[PATCH 003:013]: raid0: raid0_size to support reshape
From: raz ben yehuda <hidden>
Date: 2009-06-16 21:53:01
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
have raid0_size sum only In_sync disks raid0.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) Signed-off-by: razb <redacted> ---
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 8870acc..6160374 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c@@ -296,15 +296,18 @@ static int raid0_mergeable_bvec(struct request_queue *q, static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks) { - sector_t array_sectors = 0; + int i; mdk_rdev_t *rdev; + sector_t array_sectors = 0; + raid0_conf_t *conf = mddev->private; + mdk_rdev_t **devlist = conf->devlist; - WARN_ONCE(sectors || raid_disks, - "%s does not support generic reshape\n", __func__); - - list_for_each_entry(rdev, &mddev->disks, same_set) - array_sectors += rdev->sectors; - + for (i = 0; i < mddev->raid_disks; i++) { + rdev = devlist[i]; + /* in reshape, spare disk is not in sync */ + if (test_bit(In_sync, &rdev->flags)) + array_sectors += rdev->sectors; + } return array_sectors; }