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zram: update ac_time of written back slots#706

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zram: update ac_time of written back slots#706
blktests-ci[bot] wants to merge 1 commit intolinus-master_basefrom
series/1074971=>linus-master

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@blktests-ci blktests-ci bot commented Mar 31, 2026

Pull request for series with
subject: zram: update ac_time of written back slots
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1074971

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blktests-ci bot commented Mar 31, 2026

Upstream branch: 7aaa804
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from c781e1e to 255b4bf Compare March 31, 2026 12:54
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blktests-ci bot commented Mar 31, 2026

Upstream branch: d0c3bcd
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from de80631 to a44d758 Compare March 31, 2026 12:57
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blktests-ci bot commented Mar 31, 2026

Upstream branch: d0c3bcd
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from a44d758 to a4d033f Compare March 31, 2026 17:12
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from 255b4bf to 3236861 Compare April 1, 2026 02:20
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blktests-ci bot commented Apr 1, 2026

Upstream branch: 9147566
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from a4d033f to 31dbcdb Compare April 1, 2026 02:23
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch 2 times, most recently from ecbdbb4 to 480b162 Compare April 2, 2026 07:52
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blktests-ci bot commented Apr 2, 2026

Upstream branch: 9147566
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from 31dbcdb to ab90ad2 Compare April 2, 2026 07:53
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch 2 times, most recently from a96fba7 to 0cd6ac2 Compare April 3, 2026 07:51
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blktests-ci bot commented Apr 3, 2026

Upstream branch: 9147566
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from ab90ad2 to f2ca7c5 Compare April 3, 2026 07:53
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from 0cd6ac2 to 910d344 Compare April 3, 2026 11:53
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blktests-ci bot commented Apr 3, 2026

Upstream branch: d8a9a4b
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from f2ca7c5 to 22a8ad6 Compare April 3, 2026 11:56
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from 910d344 to ed862bc Compare April 4, 2026 05:34
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blktests-ci bot commented Apr 4, 2026

Upstream branch: 7ca6d1c
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from 22a8ad6 to 6254587 Compare April 4, 2026 05:37
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from ed862bc to 2d0c3d5 Compare April 4, 2026 16:55
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blktests-ci bot commented Apr 4, 2026

Upstream branch: 3aae938
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from 6254587 to 4e9bf61 Compare April 4, 2026 16:58
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from 2d0c3d5 to 931d9b0 Compare April 8, 2026 10:29
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blktests-ci bot commented Apr 8, 2026

Upstream branch: 3036cd0
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from 4e9bf61 to 13c6264 Compare April 8, 2026 10:41
@blktests-ci blktests-ci bot force-pushed the linus-master_base branch from 931d9b0 to 78a4682 Compare April 10, 2026 00:51
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blktests-ci bot commented Apr 10, 2026

Upstream branch: 9a9c8ce
series: https://patchwork.kernel.org/project/linux-block/list/?series=1074971
version: 1

@sergey-senozhatsky @kawasaki
zram: update ac_time of written back slots
b112c75 
This makes it possible to tell how long each particular
ZRAM_WB slot stays on the disk and, basically, to monitor
writeback efficiency.

Note that the patch factors out a small update_slot_ac_time()
helper, which we call on writeback completion, instead of
calling mark_slot_accessed().  The reasons being is that
mark_slot_accessed() clears ZRAM_PP_SLOT flag ahead of time,
while we want to keep that flag set as long as the slot is on
the post-processing list (unless the slot is freed concurrently).

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Suggested-by: Suren Baghdasaryan <surenb@google.com>
Suggested-by: Brian Geffon <bgeffon@google.com>
Acked-by: Brian Geffon <bgeffon@google.com>
@blktests-ci blktests-ci bot force-pushed the series/1074971=>linus-master branch from 13c6264 to b112c75 Compare April 10, 2026 00:58
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@faraz-talebpour_AlfaITG @sergey-senozhatsky