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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2010-12-18 17:00:59 +0100 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2011-03-10 11:43:40 +0100 |
| commit | 06d33e968d2c58143a7aaafa8963cf6a58099467 (patch) | |
| tree | 4380d4060178a44ea0e4d56a47d1fff1a43e7b86 /drivers/block | |
| parent | 418e0a927d520f9c8e875ea75abee35d93a0f1b3 (diff) | |
| download | kernel_samsung_tuna-06d33e968d2c58143a7aaafa8963cf6a58099467.zip kernel_samsung_tuna-06d33e968d2c58143a7aaafa8963cf6a58099467.tar.gz kernel_samsung_tuna-06d33e968d2c58143a7aaafa8963cf6a58099467.tar.bz2 | |
drbd: improve on bitmap write out timing
Even though we now track the need for bitmap writeout per bitmap page,
there is no need to trigger the writeout while a resync is going on.
Once the resync is finished (or aborted),
we trigger bitmap writeout anyways.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index f529c25..755297a 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1439,7 +1439,11 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, put_ldev(mdev); } - if (os.role == R_PRIMARY && ns.role == R_SECONDARY && get_ldev(mdev)) { + /* Write out all changed bits on demote. + * Though, no need to da that just yet + * if there is a resync going on still */ + if (os.role == R_PRIMARY && ns.role == R_SECONDARY && + mdev->state.conn <= C_CONNECTED && get_ldev(mdev)) { drbd_bitmap_io_from_worker(mdev, &drbd_bm_write, "demote"); put_ldev(mdev); } @@ -1559,7 +1563,7 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED) drbd_send_state(mdev); - if (os.conn > C_CONNECTED && ns.conn == C_CONNECTED) + if (os.conn > C_CONNECTED && ns.conn <= C_CONNECTED) drbd_queue_bitmap_io(mdev, &drbd_bm_write, NULL, "write from resync_finished"); /* free tl_hash if we Got thawed and are C_STANDALONE */ |