svcrdma: Clean up the tracing for rw_ctx_init errors

- De-duplicate code
- Rename the tracepoint with "_err" to allow enabling via glob
- Report the sg_cnt for the failing rw_ctx
- Fix a dumb signage issue

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-03-20 14:02:49 -04:00
commit 2abfbe7e3a
2 changed files with 43 additions and 25 deletions