From: chao@kernel.org (Chao Yu)
Subject: [PATCH chao/erofs-dev 3/7] staging: erofs: localize UNALLOCATED_CACHED_PAGE placeholder
Date: Thu, 6 Dec 2018 22:08:09 +0800 [thread overview]
Message-ID: <d99b3f94-4680-da70-eb79-aab42f9a3630@kernel.org> (raw)
In-Reply-To: <20181201183211.27406-3-gaoxiang25@huawei.com>
On 2018-12-2 2:32, Gao Xiang wrote:
> In practice, in order to avoid in-place decompression for cached
> decompression and reuse pages from page_pool instead of allocation
> as much as possible, an unallocated placeholder was introduce to
> mark all in compressed_pages[] and they will be replaced at the time
> of submission.
>
> Previously EROFS_UNALLOCATED_CACHED_PAGE was included in internal.h,
> which is unnecessary since it's only internally used in decompression
> subsystem, move it to unzip_vle.c and rename it to PAGE_UNALLOCATED.
>
> Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com>
Reviewed-by: Chao Yu <yuchao0 at huawei.com>
Thanks,
next prev parent reply other threads:[~2018-12-06 14:08 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-01 18:32 [PATCH chao/erofs-dev 1/7] staging: erofs: fix use-after-free of on-stack `z_erofs_vle_unzip_io' Gao Xiang
2018-12-01 18:32 ` [PATCH chao/erofs-dev 2/7] staging: erofs: introduce MNGD_MAPPING helper Gao Xiang
2018-12-06 13:59 ` Chao Yu
2018-12-01 18:32 ` [PATCH chao/erofs-dev 3/7] staging: erofs: localize UNALLOCATED_CACHED_PAGE placeholder Gao Xiang
2018-12-06 14:08 ` Chao Yu [this message]
2018-12-01 18:32 ` [PATCH chao/erofs-dev 4/7] staging: erofs: revisit page submission flow Gao Xiang
2018-12-06 15:31 ` Chao Yu
2018-12-01 18:32 ` [PATCH chao/erofs-dev 5/7] staging: erofs: refine compressed pages preloading flow Gao Xiang
2018-12-06 15:36 ` Chao Yu
2018-12-01 18:32 ` [PATCH chao/erofs-dev 6/7] staging: erofs: redefine where `owned_workgrp_t' points Gao Xiang
2018-12-06 15:36 ` Chao Yu
2018-12-01 18:32 ` [PATCH chao/erofs-dev 7/7] staging: erofs: simplify `z_erofs_vle_submit_all' Gao Xiang
2018-12-06 15:39 ` Chao Yu
2018-12-06 13:51 ` [PATCH chao/erofs-dev 1/7] staging: erofs: fix use-after-free of on-stack `z_erofs_vle_unzip_io' Chao Yu
2018-12-06 14:07 ` Gao Xiang
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