Subject: + zram-report-failed-read-and-write-stats.patch added to -mm tree To: sergey.senozhatsky@xxxxxxxxx,jmarchan@xxxxxxxxxx,minchan@xxxxxxxxxx,ngupta@xxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Tue, 04 Feb 2014 14:19:15 -0800 The patch titled Subject: zram: report failed read and write stats has been added to the -mm tree. Its filename is zram-report-failed-read-and-write-stats.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/zram-report-failed-read-and-write-stats.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/zram-report-failed-read-and-write-stats.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> Subject: 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@xxxxxxxxx> Acked-by: Minchan Kim <minchan@xxxxxxxxxx> Acked-by: Jerome Marchand <jmarchan@xxxxxxxxxx> Cc: Nitin Gupta <ngupta@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/block/zram/zram_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff -puN drivers/block/zram/zram_drv.c~zram-report-failed-read-and-write-stats drivers/block/zram/zram_drv.c --- a/drivers/block/zram/zram_drv.c~zram-report-failed-read-and-write-stats +++ a/drivers/block/zram/zram_drv.c @@ -728,6 +728,8 @@ static DEVICE_ATTR(mem_used_total, S_IRU 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); @@ -739,6 +741,8 @@ 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, _ Patches currently in -mm which might be from sergey.senozhatsky@xxxxxxxxx are zram-drop-init_done-struct-zram-member.patch zram-do-not-pass-rw-argument-to-__zram_make_request.patch zram-remove-good-and-bad-compress-stats.patch zram-use-atomic64_t-for-all-zram-stats.patch zram-remove-zram-stats-code-duplication.patch zram-report-failed-read-and-write-stats.patch zram-drop-not-used-table-count-member.patch zram-move-zram-size-warning-to-documentation.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html