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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-08-25 11:58:05 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 18:38:32 +0200 |
| commit | 76d2e7eca8e7675c6d7a6592f9e747b121cc8a87 (patch) | |
| tree | 0fef8428c57574046bdd650c4040c9c3d299aba5 /drivers/block/drbd/drbd_int.h | |
| parent | 1090c056c5eb6d5335cceb381683e77ac24c71ab (diff) | |
| download | lwn-76d2e7eca8e7675c6d7a6592f9e747b121cc8a87.tar.gz lwn-76d2e7eca8e7675c6d7a6592f9e747b121cc8a87.zip | |
drbd: Adding support for BIO/Request flags: REQ_FUA, REQ_FLUSH and REQ_DISCARD
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_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index f9b75fc30569..79b877db9a39 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -374,9 +374,13 @@ union p_header { */ /* these defines must not be changed without changing the protocol version */ -#define DP_HARDBARRIER 1 -#define DP_RW_SYNC 2 +#define DP_HARDBARRIER 1 /* depricated */ +#define DP_RW_SYNC 2 /* equals REQ_SYNC */ #define DP_MAY_SET_IN_SYNC 4 +#define DP_UNPLUG 8 /* equals REQ_UNPLUG */ +#define DP_FUA 16 /* equals REQ_FUA */ +#define DP_FLUSH 32 /* equals REQ_FLUSH */ +#define DP_DISCARD 64 /* equals REQ_DISCARD */ struct p_data { union p_header head; |