diff options
| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2022-11-17 23:13:26 +0900 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:59:01 -0800 |
| commit | 47939359add5242d27ee6a30e8bcb0cef15ba45c (patch) | |
| tree | 8d3c492585f9f3d0696484ce845cba267a56e408 /drivers/block | |
| parent | 4c74b65f478dc9353780a6be17fc82f1b06cea80 (diff) | |
| download | linux-47939359add5242d27ee6a30e8bcb0cef15ba45c.tar.bz2 | |
zram: remove unused stats fields
We don't show num_reads and num_writes since we removed corresponding
sysfs nodes in 2017. Block layer stats are exposed via
/sys/block/zramX/stat file.
However, we still increment those atomic vars and store them in zram
stats. Remove leftovers.
Link: https://lkml.kernel.org/r/20221117141326.1105181-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 2 | ||||
| -rw-r--r-- | drivers/block/zram/zram_drv.h | 2 |
2 files changed, 0 insertions, 4 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 9d33801e8ba8..e290d6d97047 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1981,11 +1981,9 @@ static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index, int ret; if (!op_is_write(op)) { - atomic64_inc(&zram->stats.num_reads); ret = zram_bvec_read(zram, bvec, index, offset, bio); flush_dcache_page(bvec->bv_page); } else { - atomic64_inc(&zram->stats.num_writes); ret = zram_bvec_write(zram, bvec, index, offset, bio); } diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 473325415a74..c5254626f051 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -76,8 +76,6 @@ struct zram_table_entry { struct zram_stats { atomic64_t compr_data_size; /* compressed size of pages stored */ - atomic64_t num_reads; /* failed + successful */ - atomic64_t num_writes; /* --do-- */ atomic64_t failed_reads; /* can happen when memory is too low */ atomic64_t failed_writes; /* can happen when memory is too low */ atomic64_t invalid_io; /* non-page-aligned I/O requests */ |