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CIFS: Fix trace command logging for SMB2 reads and writes 

Currently we log success once we send an async IO request to
the server. Instead we need to analyse a response and then log
success or failure for a particular command. Also fix argument
list for read logging.

Cc: <stable@vger.kernel.org> # 4.18
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Pavel Shilovsky 2019-01-25 11:38:53 -08:00 committed by Steve French
parent 9bda8723da
commit 7d42e72fe8
1 changed files with 30 additions and 16 deletions
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46
fs/cifs/smb2pdu.c
View File

@ -3241,8 +3241,17 @@ smb2_readv_callback(struct mid_q_entry *mid)
rdata->mr = NULL;
}
#endif
if (rdata->result)
if (rdata->result) {
cifs_stats_fail_inc(tcon, SMB2_READ_HE);
trace_smb3_read_err(0 /* xid */,
rdata->cfile->fid.persistent_fid,
tcon->tid, tcon->ses->Suid, rdata->offset,
rdata->bytes, rdata->result);
} else
trace_smb3_read_done(0 /* xid */,
rdata->cfile->fid.persistent_fid,
tcon->tid, tcon->ses->Suid,
rdata->offset, rdata->got_bytes);
queue_work(cifsiod_wq, &rdata->work);
DeleteMidQEntry(mid);
@ -3317,13 +3326,11 @@ smb2_async_readv(struct cifs_readdata *rdata)
if (rc) {
kref_put(&rdata->refcount, cifs_readdata_release);
cifs_stats_fail_inc(io_parms.tcon, SMB2_READ_HE);
trace_smb3_read_err(rc, 0 /* xid */, io_parms.persistent_fid,
io_parms.tcon->tid, io_parms.tcon->ses->Suid,
io_parms.offset, io_parms.length);
} else
trace_smb3_read_done(0 /* xid */, io_parms.persistent_fid,
io_parms.tcon->tid, io_parms.tcon->ses->Suid,
io_parms.offset, io_parms.length);
trace_smb3_read_err(0 /* xid */, io_parms.persistent_fid,
io_parms.tcon->tid,
io_parms.tcon->ses->Suid,
io_parms.offset, io_parms.length, rc);
}
cifs_small_buf_release(buf);
return rc;
@ -3367,10 +3374,11 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
if (rc != -ENODATA) {
cifs_stats_fail_inc(io_parms->tcon, SMB2_READ_HE);
cifs_dbg(VFS, "Send error in read = %d\n", rc);
trace_smb3_read_err(xid, req->PersistentFileId,
io_parms->tcon->tid, ses->Suid,
io_parms->offset, io_parms->length,
rc);
}
trace_smb3_read_err(rc, xid, req->PersistentFileId,
io_parms->tcon->tid, ses->Suid,
io_parms->offset, io_parms->length);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return rc == -ENODATA ? 0 : rc;
} else
@ -3459,8 +3467,17 @@ smb2_writev_callback(struct mid_q_entry *mid)
wdata->mr = NULL;
}
#endif
if (wdata->result)
if (wdata->result) {
cifs_stats_fail_inc(tcon, SMB2_WRITE_HE);
trace_smb3_write_err(0 /* no xid */,
wdata->cfile->fid.persistent_fid,
tcon->tid, tcon->ses->Suid, wdata->offset,
wdata->bytes, wdata->result);
} else
trace_smb3_write_done(0 /* no xid */,
wdata->cfile->fid.persistent_fid,
tcon->tid, tcon->ses->Suid,
wdata->offset, wdata->bytes);
queue_work(cifsiod_wq, &wdata->work);
DeleteMidQEntry(mid);
@ -3602,10 +3619,7 @@ smb2_async_writev(struct cifs_writedata *wdata,
wdata->bytes, rc);
kref_put(&wdata->refcount, release);
cifs_stats_fail_inc(tcon, SMB2_WRITE_HE);
} else
trace_smb3_write_done(0 /* no xid */, req->PersistentFileId,
tcon->tid, tcon->ses->Suid, wdata->offset,
wdata->bytes);
}
async_writev_out:
cifs_small_buf_release(req);