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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-08-07 00:46:59 +0530
committerEric Van Hensbergen <ericvh@gmail.com>2011-10-24 11:13:12 -0500
commit348b59012e5c6402741d067cf6eeeb6271999d06 (patch)
tree38041cac7af6f020fa2756eded6a2d9f31132ffc /include/net/9p
parentef6b0807e2c986d5f1cb878e1b32a7cf4c32b4c8 (diff)
downloadlinux-348b59012e5c6402741d067cf6eeeb6271999d06.tar.bz2
net/9p: Convert net/9p protocol dumps to tracepoints
This helps in more control over debugging. root@qemu-img-64:~# ls /pass/123 ls: cannot access /pass/123: No such file or directory root@qemu-img-64:~# cat /sys/kernel/debug/tracing/trace # tracer: nop # # TASK-PID CPU# TIMESTAMP FUNCTION # | | | | | ls-1536 [001] 70.928584: 9p_protocol_dump: clnt 18446612132784021504 P9_TWALK(tag = 1) 000: 16 00 00 00 6e 01 00 01 00 00 00 02 00 00 00 01 010: 00 03 00 31 32 33 00 00 00 ff ff ff ff 00 00 00 ls-1536 [001] 70.928587: <stack trace> => trace_9p_protocol_dump => p9pdu_finalize => p9_client_rpc => p9_client_walk => v9fs_vfs_lookup => d_alloc_and_lookup => walk_component => path_lookupat ls-1536 [000] 70.929696: 9p_protocol_dump: clnt 18446612132784021504 P9_RLERROR(tag = 1) 000: 0b 00 00 00 07 01 00 02 00 00 00 4e 03 00 02 00 010: 00 00 00 00 03 00 02 00 00 00 00 00 ff 43 00 00 ls-1536 [000] 70.929697: <stack trace> => trace_9p_protocol_dump => p9_client_rpc => p9_client_walk => v9fs_vfs_lookup => d_alloc_and_lookup => walk_component => path_lookupat => do_path_lookup Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'include/net/9p')
-rw-r--r--include/net/9p/9p.h3
-rw-r--r--include/net/9p/client.h6
2 files changed, 3 insertions, 6 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index d83a01300871..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
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index d479d7dcc4d5..fc9b90b0c052 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -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);