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author | Alex Shi <alex.shi@linaro.org> | 2017-06-30 06:26:31 (GMT) |
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committer | Alex Shi <alex.shi@linaro.org> | 2017-06-30 06:26:31 (GMT) |
commit | 78278fb152735c686cb13e1ae3bcee78fc2cd154 (patch) | |
tree | ed3f669fbb4422bf3dfaa6b20ea992c04c1eac01 /drivers/block/xen-blkback/common.h | |
parent | 084eedbddaa526f53b20291ee7176be269620301 (diff) | |
parent | 92905e331aea278665c4b27fbb13c4547a8bcbb0 (diff) | |
download | linux-78278fb152735c686cb13e1ae3bcee78fc2cd154.tar.xz |
Merge tag 'v4.9.35' into linux-linaro-lsk-v4.9
This is the 4.9.35 stable release
Diffstat (limited to 'drivers/block/xen-blkback/common.h')
-rw-r--r-- | drivers/block/xen-blkback/common.h | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index dea61f6..ecb35fe 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -75,9 +75,8 @@ extern unsigned int xenblk_max_queues; struct blkif_common_request { char dummy; }; -struct blkif_common_response { - char dummy; -}; + +/* i386 protocol version */ struct blkif_x86_32_request_rw { uint8_t nr_segments; /* number of segments */ @@ -129,14 +128,6 @@ struct blkif_x86_32_request { } u; } __attribute__((__packed__)); -/* i386 protocol version */ -#pragma pack(push, 4) -struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; -#pragma pack(pop) /* x86_64 protocol version */ struct blkif_x86_64_request_rw { @@ -193,18 +184,12 @@ struct blkif_x86_64_request { } u; } __attribute__((__packed__)); -struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, - struct blkif_common_response); + struct blkif_response); DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, - struct blkif_x86_32_response); + struct blkif_response __packed); DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, - struct blkif_x86_64_response); + struct blkif_response); union blkif_back_rings { struct blkif_back_ring native; @@ -281,6 +266,7 @@ struct xen_blkif_ring { wait_queue_head_t wq; atomic_t inflight; + bool active; /* One thread per blkif ring. */ struct task_struct *xenblkd; unsigned int waiting_reqs; |