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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-08-06 23:16:59 +0400
committerEric Van Hensbergen <ericvh@gmail.com>2011-10-24 20:13:12 +0400
commit348b59012e5c6402741d067cf6eeeb6271999d06 (patch)
tree38041cac7af6f020fa2756eded6a2d9f31132ffc /net/9p/protocol.h
parentef6b0807e2c986d5f1cb878e1b32a7cf4c32b4c8 (diff)
downloadlinux-348b59012e5c6402741d067cf6eeeb6271999d06.tar.xz
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 'net/9p/protocol.h')
-rw-r--r--net/9p/protocol.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/9p/protocol.h b/net/9p/protocol.h
index a0eb8ff11f22..2cc525fa49fa 100644
--- a/net/9p/protocol.h
+++ b/net/9p/protocol.h
@@ -29,7 +29,6 @@ int p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
va_list ap);
int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type);
-int p9pdu_finalize(struct p9_fcall *pdu);
-void p9pdu_dump(int, struct p9_fcall *);
+int p9pdu_finalize(struct p9_client *clnt, struct p9_fcall *pdu);
void p9pdu_reset(struct p9_fcall *pdu);
size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size);