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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2014-04-07 15:38:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-07 16:36:00 -0700 |
| commit | 6444724939db5de7390c90f7b4a657159b3b4465 (patch) | |
| tree | 7f92a0596c8312c7afff3630e9a00825269d83df /drivers | |
| parent | a68eb3b65e658406d386bebef02277f4007b2f45 (diff) | |
| download | linux-stable-6444724939db5de7390c90f7b4a657159b3b4465.tar.gz linux-stable-6444724939db5de7390c90f7b4a657159b3b4465.tar.bz2 linux-stable-6444724939db5de7390c90f7b4a657159b3b4465.zip | |
zram: report failed read and write stats
zram accounted but did not report numbers of failed read and write
queries. make these stats available as failed_reads and failed_writes
attrs.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 29c35119e82a..c06d7fba4237 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -730,6 +730,8 @@ static DEVICE_ATTR(mem_used_total, S_IRUGO, mem_used_total_show, NULL); ZRAM_ATTR_RO(num_reads); ZRAM_ATTR_RO(num_writes); +ZRAM_ATTR_RO(failed_reads); +ZRAM_ATTR_RO(failed_writes); ZRAM_ATTR_RO(invalid_io); ZRAM_ATTR_RO(notify_free); ZRAM_ATTR_RO(zero_pages); @@ -741,6 +743,8 @@ static struct attribute *zram_disk_attrs[] = { &dev_attr_reset.attr, &dev_attr_num_reads.attr, &dev_attr_num_writes.attr, + &dev_attr_failed_reads.attr, + &dev_attr_failed_writes.attr, &dev_attr_invalid_io.attr, &dev_attr_notify_free.attr, &dev_attr_zero_pages.attr, |