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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-07-18 16:25:15 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-05-09 15:15:43 +0200 |
| commit | fd2491f4a4a403b376f71a336a36848158efb0fe (patch) | |
| tree | 7571481867dd5ab427541a377a885f3152994fa1 /drivers/block | |
| parent | 79f16f5dbc95da372c25afddac80f4adef3cfce1 (diff) | |
| download | linux-fd2491f4a4a403b376f71a336a36848158efb0fe.tar.bz2 | |
drbd: detach must not try to abort non-local requests from drbd-8.4
Cherry picked form 8.4
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 | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 0ee05315f9ac..56569a803331 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -344,7 +344,7 @@ bail: * @what: The action/event to perform with all request objects * * @what might be one of connection_lost_while_pending, resend, fail_frozen_disk_io, - * restart_frozen_disk_io, abort_disk_io. + * restart_frozen_disk_io. */ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what) { @@ -368,12 +368,6 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what) } tmp = b->next; - if (what == abort_disk_io) { - /* Only walk the TL, leave barrier objects in place */ - b = tmp; - continue; - } - if (n_writes) { if (what == resend) { b->n_writes = n_writes; @@ -422,7 +416,6 @@ static void _tl_restart(struct drbd_conf *mdev, enum drbd_req_event what) /* Actions operating on the disk state, also want to work on requests that got barrier acked. */ switch (what) { - case abort_disk_io: case fail_frozen_disk_io: case restart_frozen_disk_io: list_for_each_safe(le, tle, &mdev->barrier_acked_requests) { @@ -483,6 +476,38 @@ void tl_restart(struct drbd_conf *mdev, enum drbd_req_event what) } /** + * tl_abort_disk_io() - Abort disk I/O for all requests for a certain mdev in the TL + * @mdev: DRBD device. + */ +void tl_abort_disk_io(struct drbd_conf *mdev) +{ + struct drbd_tl_epoch *b; + struct list_head *le, *tle; + struct drbd_request *req; + + spin_lock_irq(&mdev->req_lock); + b = mdev->oldest_tle; + while (b) { + list_for_each_safe(le, tle, &b->requests) { + req = list_entry(le, struct drbd_request, tl_requests); + if (!(req->rq_state & RQ_LOCAL_PENDING)) + continue; + _req_mod(req, abort_disk_io); + } + b = b->next; + } + + list_for_each_safe(le, tle, &mdev->barrier_acked_requests) { + req = list_entry(le, struct drbd_request, tl_requests); + if (!(req->rq_state & RQ_LOCAL_PENDING)) + continue; + _req_mod(req, abort_disk_io); + } + + spin_unlock_irq(&mdev->req_lock); +} + +/** * cl_wide_st_chg() - true if the state change is a cluster wide one * @mdev: DRBD device. * @os: old (current) state. @@ -1577,7 +1602,7 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, /* Immediately allow completion of all application IO, that waits for completion from the local disk. */ - tl_restart(mdev, abort_disk_io); + tl_abort_disk_io(mdev); /* current state still has to be D_FAILED, * there is only one way out: to D_DISKLESS, |