erofs: enable long extended attribute name prefixes

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Let's enable long xattr name prefix feature.  Old kernels will just
ignore / skip such extended attributes.  In addition, in case you
don't want to mount such images, add another incompatible feature as
an option for this.

Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Acked-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230407222808.19670-1-jefflexu@linux.alibaba.com
[ Gao Xiang: minor commit message fix. ]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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This commit is contained in:

Jingbo Xu 2023-04-08 06:28:08 +08:00 • committed by Gao Xiang

parent 82bc1ef41d

commit 6a318ccd7e

3 changed files with 11 additions and 1 deletions

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4

fs/erofs/erofs_fs.h

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1

fs/erofs/internal.h

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7

fs/erofs/super.c

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