xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lightnvm: pblk: add trace events for chunk states

Browse Source 
Introduce trace points for tracking chunk states in pblk - this is
useful for inspection of the entire state of the drive, and real handy
for both fw and pblk debugging.

Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hans Holmberg
2018-10-09 13:11:52 +02:00
committed by Jens Axboe
parent 43241cfe47
commit 4c44abf43d
5 changed files with 107 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/lightnvm/pblk-init.c
View File

@@ -19,6 +19,7 @@
*/
#include "pblk.h"
#include "pblk-trace.h"
static unsigned int write_buffer_size;
@@ -664,6 +665,9 @@ static int pblk_setup_line_meta_chk(struct pblk *pblk, struct pblk_line *line,
chunk->cnlb = chunk_meta->cnlb;
chunk->wp = chunk_meta->wp;
trace_pblk_chunk_state(pblk_disk_name(pblk), &ppa,
chunk->state);
if (chunk->type & NVM_CHK_TP_SZ_SPEC) {
WARN_ONCE(1, "pblk: custom-sized chunks unsupported\n");
continue;