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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 14:20:53 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-26 14:20:53 +0200
commite33bae14fd8da449d735552d78e6dd33ece0458c (patch)
tree048c062c47f7bfdb0ea8ad19c5b5849a58ff3022 /include/net
parent7670c7010c7b367ca40c3aba02afb36149764a6e (diff)
parent14211d026dad4641d4dffd7a4c520bcaa8fd4a65 (diff)
Merge branch 'for-linus' of git://github.com/ericvh/linux
* 'for-linus' of git://github.com/ericvh/linux: 9p: fix 9p.txt to advertise msize instead of maxdata net/9p: Convert net/9p protocol dumps to tracepoints fs/9p: change an int to unsigned int fs/9p: Cleanup option parsing in 9p 9p: move dereference after NULL check fs/9p: inode file operation is properly initialized init_special_inode fs/9p: Update zero-copy implementation in 9p
Diffstat (limited to 'include/net')
-rw-r--r--include/net/9p/9p.h14
-rw-r--r--include/net/9p/client.h8
-rw-r--r--include/net/9p/transport.h10
3 files changed, 9 insertions, 23 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index a6326ef8ade6..2d70b95b3b55 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -76,11 +76,8 @@ do { \
} \
} while (0)
-#define P9_DUMP_PKT(way, pdu) p9pdu_dump(way, pdu)
-
#else
#define P9_DPRINTK(level, format, arg...) do { } while (0)
-#define P9_DUMP_PKT(way, pdu) do { } while (0)
#endif
@@ -359,6 +356,9 @@ enum p9_qid_t {
/* Room for readdir header */
#define P9_READDIRHDRSZ 24
+/* size of header for zero copy read/write */
+#define P9_ZC_HDR_SZ 4096
+
/**
* struct p9_qid - file system entity information
* @type: 8-bit type &p9_qid_t
@@ -555,10 +555,6 @@ struct p9_rstatfs {
* @tag: transaction id of the request
* @offset: used by marshalling routines to track current position in buffer
* @capacity: used by marshalling routines to track total malloc'd capacity
- * @pubuf: Payload user buffer given by the caller
- * @pkbuf: Payload kernel buffer given by the caller
- * @pbuf_size: pubuf/pkbuf(only one will be !NULL) size to be read/write.
- * @private: For transport layer's use.
* @sdata: payload
*
* &p9_fcall represents the structure for all 9P RPC
@@ -575,10 +571,6 @@ struct p9_fcall {
size_t offset;
size_t capacity;
- char __user *pubuf;
- char *pkbuf;
- size_t pbuf_size;
- void *private;
u8 *sdata;
};
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 55ce72ce9861..fc9b90b0c052 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -151,7 +151,7 @@ struct p9_req_t {
struct p9_client {
spinlock_t lock; /* protect client structure */
- int msize;
+ unsigned int msize;
unsigned char proto_version;
struct p9_trans_module *trans_mod;
enum p9_trans_status status;
@@ -240,8 +240,8 @@ int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
u64 offset, u32 count);
int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset);
-int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
- int proto_version);
+int p9dirent_read(struct p9_client *clnt, char *buf, int len,
+ struct p9_dirent *dirent);
struct p9_wstat *p9_client_stat(struct p9_fid *fid);
int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
int p9_client_setattr(struct p9_fid *fid, struct p9_iattr_dotl *attr);
@@ -259,7 +259,7 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
int p9_parse_header(struct p9_fcall *, int32_t *, int8_t *, int16_t *, int);
-int p9stat_read(char *, int, struct p9_wstat *, int);
+int p9stat_read(struct p9_client *, char *, int, struct p9_wstat *);
void p9stat_free(struct p9_wstat *);
int p9_is_proto_dotu(struct p9_client *clnt);
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index 83531ebeee99..adcbb20f6511 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -26,13 +26,6 @@
#ifndef NET_9P_TRANSPORT_H
#define NET_9P_TRANSPORT_H
-#define P9_TRANS_PREF_PAYLOAD_MASK 0x1
-
-/* Default. Add Payload to PDU before sending it down to transport layer */
-#define P9_TRANS_PREF_PAYLOAD_DEF 0x0
-/* Send pay load separately to transport layer along with PDU.*/
-#define P9_TRANS_PREF_PAYLOAD_SEP 0x1
-
/**
* struct p9_trans_module - transport module interface
* @list: used to maintain a list of currently available transports
@@ -56,13 +49,14 @@ struct p9_trans_module {
struct list_head list;
char *name; /* name of transport */
int maxsize; /* max message size of transport */
- int pref; /* Preferences of this transport */
int def; /* this transport should be default */
struct module *owner;
int (*create)(struct p9_client *, const char *, char *);
void (*close) (struct p9_client *);
int (*request) (struct p9_client *, struct p9_req_t *req);
int (*cancel) (struct p9_client *, struct p9_req_t *req);
+ int (*zc_request)(struct p9_client *, struct p9_req_t *,
+ char *, char *, int , int, int, int);
};
void v9fs_register_trans(struct p9_trans_module *m);