Gao Xiang 051d76b899 UPSTREAM: erofs: support parsing big pcluster compress indexes
When INCOMPAT_BIG_PCLUSTER sb feature is enabled, legacy compress indexes
will also have the same on-disk header compact indexes to keep per-file
configurations instead of leaving it zeroed.

If ADVISE_BIG_PCLUSTER is set for a file, CBLKCNT will be loaded for each
pcluster in this file by parsing 1st non-head lcluster.

Link: https://lore.kernel.org/r/20210407043927.10623-8-xiang@kernel.org
Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>

Bug: 201372112
Change-Id: I97b8d1cc54e057789d22f1cdfafc21ed6a69b149
(cherry picked from commit cec6e93beadfd145758af2c0854fcc2abb8170cb)
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
2021-09-28 08:31:46 +00:00
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