diff options
| author |   Lars Ellenberg <lars.ellenberg@linbit.com> | 2016-06-14 00:26:22 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2016-06-13 21:43:05 -0600 |
| commit | 7435e9018f9141e38d856229475335c8e757a497 (patch) | |
| tree | 9d2d238d551891578296bbeee33ac0818dcf88a7 /drivers/block/drbd/drbd_int.h | |
| parent | drbd: possibly disable discard support, if backend has discard_zeroes_data=0 (diff) | |
| download | linux-dev-7435e9018f9141e38d856229475335c8e757a497.tar.xz linux-dev-7435e9018f9141e38d856229475335c8e757a497.zip | |
drbd: zero-out partial unaligned discards on local backend
For consistency, also zero-out partial unaligned chunks of discard
requests on the local backend.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index f49ff861bfd8..0b5a658882b2 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1553,6 +1553,8 @@ extern void start_resync_timer_fn(unsigned long data); extern void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req); /* drbd_receiver.c */ +extern int drbd_issue_discard_or_zero_out(struct drbd_device *device, + sector_t start, unsigned int nr_sectors, bool discard); extern int drbd_receiver(struct drbd_thread *thi); extern int drbd_ack_receiver(struct drbd_thread *thi); extern void drbd_send_ping_wf(struct work_struct *ws); |