erofs: implement fscache-based data readahead

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Implement fscache-based data readahead. Also registers an individual
bdi for each erofs instance to enable readahead.

Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220425122143.56815-21-jefflexu@linux.alibaba.com
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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Jeffle Xu 2022-04-25 20:21:42 +08:00 • committed by Gao Xiang

parent bd735bdaa6

commit c665b394b9

2 changed files with 94 additions and 0 deletions

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90

fs/erofs/fscache.c

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4

fs/erofs/super.c

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