remove WQ_SYSFS to avoid name conflict when creating two devices

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
refactor: move flush_job_pool

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
refactor and remove not used member plog_buf

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
rename harmless* to *metadata

it is not clear what is harmless in this context..

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
move buf_1_pool and buf_8_pool to module scope

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
test: remove lines to set max_active

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
remove rambuf_pool_amount

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
timeout command to time stress test for 30sec

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
code cleanup. comments particularly

Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>