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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2014-04-28 20:43:25 +0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-04-30 23:46:55 +0400 |
| commit | 20c68fdea1646ed746abf19122d7699493927005 (patch) | |
| tree | 64ad88b5cdec165eccd5c9b327c7a794dce26c33 /drivers/block/drbd/drbd_protocol.h | |
| parent | 2f632aeb5302da93f760d965e970600b35907026 (diff) | |
| download | linux-20c68fdea1646ed746abf19122d7699493927005.tar.xz | |
drbd: Enable QUEUE_FLAG_DISCARD only if the peer can recieve P_TRIM
Allow the user of REQ_DISCARD.
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_protocol.h')
| -rw-r--r-- | drivers/block/drbd/drbd_protocol.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_protocol.h b/drivers/block/drbd/drbd_protocol.h index 478c63d0b6f3..2da9104a3851 100644 --- a/drivers/block/drbd/drbd_protocol.h +++ b/drivers/block/drbd/drbd_protocol.h @@ -160,6 +160,8 @@ struct p_block_req { * ReportParams */ +#define FF_TRIM 1 + struct p_connection_features { u32 protocol_min; u32 feature_flags; |