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md: factor out updating of 'recovery_offset'.

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Each device has its own 'recovery_offset' showing how far
recovery has progressed on the device.
As the only real significance of this is that fact that it can
be stored in the metadata and recovered at restart, and as
only 1.x metadata can do this, we were only updating
'recovery_offset' to 'curr_resync_completed' when updating
v1.x metadata.
But this is wrong, and we will shortly make limited use of this
field in v0.90 metadata.

So move the update into common code.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-11-12 12:08:04 +11:00
parent 8dee721146
commit 5e8651060c
1 changed files with 8 additions and 2 deletions
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10
drivers/md/md.c
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@ -1382,8 +1382,6 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
if (rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags)) {
if (mddev->curr_resync_completed > rdev->recovery_offset)
rdev->recovery_offset = mddev->curr_resync_completed;
if (rdev->recovery_offset > 0) {
sb->feature_map |=
cpu_to_le32(MD_FEATURE_RECOVERY_OFFSET);
@ -1917,6 +1915,14 @@ static void sync_sbs(mddev_t * mddev, int nospares)
*/
mdk_rdev_t *rdev;
/* First make sure individual recovery_offsets are correct */
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags) &&
mddev->curr_resync_completed > rdev->recovery_offset)
rdev->recovery_offset = mddev->curr_resync_completed;
}
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->sb_events == mddev->events ||
(nospares &&