erofs: use meta buffers for zmap operations

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Get rid of old erofs_get_meta_page() within zmap operations by
using on-stack meta buffers in order to prepare subpage and folio
features.

Finally, erofs_get_meta_page() is useless. Get rid of it!

Link: https://lore.kernel.org/r/20220102040017.51352-6-hsiangkao@linux.alibaba.com
Reviewed-by: Yue Hu <huyue2@yulong.com>
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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This commit is contained in:

Gao Xiang 2022-01-02 12:00:17 +08:00

parent bb88e8da00

commit 09c543798c

4 changed files with 28 additions and 70 deletions

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13

fs/erofs/data.c

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6

fs/erofs/internal.h

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23

fs/erofs/zdata.c

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56

fs/erofs/zmap.c

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