diff options
| author | Steve French <stfrench@microsoft.com> | 2020-10-20 02:18:15 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-10-20 19:50:42 +0300 |
| commit | 9eec21bfbe9096141f15c624d3d0c2142121f6cb (patch) | |
| tree | ccff1a0a2a1dd876da6220d5395d13116a31f517 /fs/cifs/transport.c | |
| parent | acf96fef46f271642b90aa658ba49e33ae34ddf0 (diff) | |
| download | linux-9eec21bfbe9096141f15c624d3d0c2142121f6cb.tar.xz | |
smb3: add dynamic trace point to trace when credits obtained
SMB3 crediting is used for flow control, and it can be useful to
trace for problem determination how many credits were acquired
and for which operation.
Here is an example ("trace-cmd record -e *add_credits"):
cifsd-9522 [010] .... 5995.202712: smb3_add_credits:
server=localhost current_mid=0x12 credits=373 credits_to_add=10
cifsd-9522 [010] .... 5995.204040: smb3_add_credits:
server=localhost current_mid=0x15 credits=400 credits_to_add=30
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/transport.c')
| -rw-r--r-- | fs/cifs/transport.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index ac7632482736..e27e255d40dd 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -563,7 +563,7 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits, cifs_num_waiters_dec(server); if (!rc) { trace_smb3_credit_timeout(server->CurrentMid, - server->hostname, num_credits); + server->hostname, num_credits, 0); cifs_server_dbg(VFS, "wait timed out after %d ms\n", timeout); return -ENOTSUPP; @@ -604,7 +604,8 @@ wait_for_free_credits(struct TCP_Server_Info *server, const int num_credits, if (!rc) { trace_smb3_credit_timeout( server->CurrentMid, - server->hostname, num_credits); + server->hostname, num_credits, + 0); cifs_server_dbg(VFS, "wait timed out after %d ms\n", timeout); return -ENOTSUPP; |