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drbd: factor out advancement of resync marks for progress reporting

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This is in preparation to unify progress reporting of
online-verify and resync requests.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2010-11-05 09:23:37 +01:00 committed by Philipp Reisner
parent de228bba67
commit c6ea14dfa3
1 changed files with 17 additions and 13 deletions
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30
drivers/block/drbd/drbd_actlog.c
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@ -919,6 +919,22 @@ static void drbd_try_clear_on_disk_bm(struct drbd_conf *mdev, sector_t sector,
}
}
void drbd_advance_rs_marks(struct drbd_conf *mdev, unsigned long still_to_go)
{
unsigned long now = jiffies;
unsigned long last = mdev->rs_mark_time[mdev->rs_last_mark];
int next = (mdev->rs_last_mark + 1) % DRBD_SYNC_MARKS;
if (time_after_eq(now, last + DRBD_SYNC_MARK_STEP)) {
if (mdev->rs_mark_left[mdev->rs_last_mark] != still_to_go &&
mdev->state.conn != C_PAUSED_SYNC_T &&
mdev->state.conn != C_PAUSED_SYNC_S) {
mdev->rs_mark_time[next] = now;
mdev->rs_mark_left[next] = still_to_go;
mdev->rs_last_mark = next;
}
}
}
/* clear the bit corresponding to the piece of storage in question:
* size byte of data starting from sector. Only clear a bits of the affected
* one ore more _aligned_ BM_BLOCK_SIZE blocks.
@ -969,19 +985,7 @@ void __drbd_set_in_sync(struct drbd_conf *mdev, sector_t sector, int size,
*/
count = drbd_bm_clear_bits(mdev, sbnr, ebnr);
if (count && get_ldev(mdev)) {
unsigned long now = jiffies;
unsigned long last = mdev->rs_mark_time[mdev->rs_last_mark];
int next = (mdev->rs_last_mark + 1) % DRBD_SYNC_MARKS;
if (time_after_eq(now, last + DRBD_SYNC_MARK_STEP)) {
unsigned long tw = drbd_bm_total_weight(mdev);
if (mdev->rs_mark_left[mdev->rs_last_mark] != tw &&
mdev->state.conn != C_PAUSED_SYNC_T &&
mdev->state.conn != C_PAUSED_SYNC_S) {
mdev->rs_mark_time[next] = now;
mdev->rs_mark_left[next] = tw;
mdev->rs_last_mark = next;
}
}
drbd_advance_rs_marks(mdev, drbd_bm_total_weight(mdev));
spin_lock_irqsave(&mdev->al_lock, flags);
drbd_try_clear_on_disk_bm(mdev, sector, count, TRUE);
spin_unlock_irqrestore(&mdev->al_lock, flags);