All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, ngupta@vflare.org,
	minchan@kernel.org, senozhatsky@chromium.org,
	akpm@linux-foundation.org
Subject: [to-be-updated] zram-add-recompress-flag-to-read_block_state.patch removed from -mm tree
Date: Tue, 08 Nov 2022 20:04:28 -0800	[thread overview]
Message-ID: <20221109040428.CA12CC433D7@smtp.kernel.org> (raw)


The quilt patch titled
     Subject: zram: add recompress flag to read_block_state()
has been removed from the -mm tree.  Its filename was
     zram-add-recompress-flag-to-read_block_state.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: zram: add recompress flag to read_block_state()
Date: Tue, 18 Oct 2022 13:55:31 +0900

Add a new flag to zram block state that shows if the page was recompressed
(using alternative compression algorithm).

Link: https://lkml.kernel.org/r/20221018045533.2396670-8-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/admin-guide/blockdev/zram.rst |    9 ++++++---
 drivers/block/zram/zram_drv.c               |    5 +++--
 2 files changed, 9 insertions(+), 5 deletions(-)

--- a/Documentation/admin-guide/blockdev/zram.rst~zram-add-recompress-flag-to-read_block_state
+++ a/Documentation/admin-guide/blockdev/zram.rst
@@ -466,9 +466,10 @@ pages of the process with*pagemap.
 If you enable the feature, you could see block state via
 /sys/kernel/debug/zram/zram0/block_state". The output is as follows::
 
-	  300    75.033841 .wh.
-	  301    63.806904 s...
-	  302    63.806919 ..hi
+	  300    75.033841 .wh..
+	  301    63.806904 s....
+	  302    63.806919 ..hi.
+	  303    62.801919 ....r
 
 First column
 	zram's block index.
@@ -485,6 +486,8 @@ Third column
 		huge page
 	i:
 		idle page
+	r:
+		recompressed page (secondary compression algorithm)
 
 First line of above example says 300th block is accessed at 75.033841sec
 and the block's state is huge so it is written back to the backing
--- a/drivers/block/zram/zram_drv.c~zram-add-recompress-flag-to-read_block_state
+++ a/drivers/block/zram/zram_drv.c
@@ -922,13 +922,14 @@ static ssize_t read_block_state(struct f
 
 		ts = ktime_to_timespec64(zram->table[index].ac_time);
 		copied = snprintf(kbuf + written, count,
-			"%12zd %12lld.%06lu %c%c%c%c\n",
+			"%12zd %12lld.%06lu %c%c%c%c%c\n",
 			index, (s64)ts.tv_sec,
 			ts.tv_nsec / NSEC_PER_USEC,
 			zram_test_flag(zram, index, ZRAM_SAME) ? 's' : '.',
 			zram_test_flag(zram, index, ZRAM_WB) ? 'w' : '.',
 			zram_test_flag(zram, index, ZRAM_HUGE) ? 'h' : '.',
-			zram_test_flag(zram, index, ZRAM_IDLE) ? 'i' : '.');
+			zram_test_flag(zram, index, ZRAM_IDLE) ? 'i' : '.',
+			zram_test_flag(zram, index, ZRAM_RECOMP) ? 'r' : '.');
 
 		if (count <= copied) {
 			zram_slot_unlock(zram, index);
_

Patches currently in -mm which might be from senozhatsky@chromium.org are

zram-clarify-writeback_store-comment.patch
zram-use-is_err_value-to-check-for-zs_malloc-errors.patch
zsmalloc-turn-zspage-order-into-runtime-variable.patch
zsmalloc-move-away-from-page-order-defines.patch
zsmalloc-make-huge-class-watermark-zs_pool-member.patch
zram-huge-size-watermark-cannot-be-global.patch
zsmalloc-pass-limit-on-pages-per-zspage-to-zs_create_pool.patch
zram-add-pages_per_pool_page-device-attribute.patch
documentation-document-zram-pages_per_pool_page-attribute.patch
zsmalloc-break-out-of-loop-when-found-perfect-zspage-order.patch


                 reply	other threads:[~2022-11-09  4:04 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221109040428.CA12CC433D7@smtp.kernel.org \
    --to=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=minchan@kernel.org \
    --cc=mm-commits@vger.kernel.org \
    --cc=ngupta@vflare.org \
    --cc=senozhatsky@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.