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author | Philipp Reisner | 2011-03-14 13:01:50 +0100 |
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committer | Philipp Reisner | 2012-05-09 10:16:04 +0200 |
commit | 2b4dd36fbae7203a0d503a6cede1f4ce17aa72ac (patch) | |
tree | 09ad826a0203980e3ae54c1917a3a6badf51b773 /drivers/block/drbd/drbd_req.h | |
parent | drbd: Keep a reference to barrier acked requests (diff) | |
download | kernel-qcow2-linux-2b4dd36fbae7203a0d503a6cede1f4ce17aa72ac.tar.gz kernel-qcow2-linux-2b4dd36fbae7203a0d503a6cede1f4ce17aa72ac.tar.xz kernel-qcow2-linux-2b4dd36fbae7203a0d503a6cede1f4ce17aa72ac.zip |
drbd: Immediately allow completion of IOs, that wait for IO completions on a failed disk
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_req.h')
-rw-r--r-- | drivers/block/drbd/drbd_req.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index 74c5b9f14d61..3d2111919486 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -119,18 +119,21 @@ enum drbd_req_event { * same time, so we should hold the request lock anyways. */ enum drbd_req_state_bits { - /* 210 - * 000: no local possible - * 001: to be submitted + /* 3210 + * 0000: no local possible + * 0001: to be submitted * UNUSED, we could map: 011: submitted, completion still pending - * 110: completed ok - * 010: completed with error + * 0110: completed ok + * 0010: completed with error + * 1001: Aborted (before completion) + * 1x10: Aborted and completed -> free */ __RQ_LOCAL_PENDING, __RQ_LOCAL_COMPLETED, __RQ_LOCAL_OK, + __RQ_LOCAL_ABORTED, - /* 76543 + /* 87654 * 00000: no network possible * 00001: to be send * 00011: to be send, on worker queue @@ -200,8 +203,9 @@ enum drbd_req_state_bits { #define RQ_LOCAL_PENDING (1UL << __RQ_LOCAL_PENDING) #define RQ_LOCAL_COMPLETED (1UL << __RQ_LOCAL_COMPLETED) #define RQ_LOCAL_OK (1UL << __RQ_LOCAL_OK) +#define RQ_LOCAL_ABORTED (1UL << __RQ_LOCAL_ABORTED) -#define RQ_LOCAL_MASK ((RQ_LOCAL_OK << 1)-1) /* 0x07 */ +#define RQ_LOCAL_MASK ((RQ_LOCAL_ABORTED << 1)-1) #define RQ_NET_PENDING (1UL << __RQ_NET_PENDING) #define RQ_NET_QUEUED (1UL << __RQ_NET_QUEUED) |