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| author | M. Mohan Kumar <mohan@in.ibm.com> | 2010-06-09 19:14:28 +0530 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2010-09-08 22:56:39 +0530 |
| commit | 5e94c103a0321ca47deb81643839c44a03047416 (patch) | |
| tree | 14ba64e29983274aac474dff15ac2c9f98ec7527 /hw/virtio-9p.h | |
| parent | c18e2f9431dab6ae02195e3b4b8ba61d0dbd2cb8 (diff) | |
virtio-9p: Compute iounit based on host filesystem block size
Compute iounit based on the host filesystem block size and pass it to
client with open/create response. Also return iounit as statfs's f_bsize
for optimal block size transfers.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Reviewd-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Diffstat (limited to 'hw/virtio-9p.h')
| -rw-r--r-- | hw/virtio-9p.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/virtio-9p.h b/hw/virtio-9p.h index 9773659bb0..4ee38302b7 100644 --- a/hw/virtio-9p.h +++ b/hw/virtio-9p.h @@ -70,6 +70,12 @@ enum p9_proto_version { #define P9_NOFID (u32)(~0) #define P9_MAXWELEM 16 +/* + * ample room for Twrite/Rread header + * size[4] Tread/Twrite tag[2] fid[4] offset[8] count[4] + */ +#define P9_IOHDRSZ 24 + typedef struct V9fsPDU V9fsPDU; struct V9fsPDU @@ -154,6 +160,7 @@ typedef struct V9fsState uint8_t *tag; size_t config_size; enum p9_proto_version proto_version; + int32_t msize; } V9fsState; typedef struct V9fsCreateState { @@ -167,6 +174,7 @@ typedef struct V9fsCreateState { V9fsString name; V9fsString extension; V9fsString fullname; + int iounit; } V9fsCreateState; typedef struct V9fsStatState { @@ -197,6 +205,7 @@ typedef struct V9fsOpenState { V9fsFidState *fidp; V9fsQID qid; struct stat stbuf; + int iounit; } V9fsOpenState; typedef struct V9fsReadState { |