erofs: add missing documentation about directio mount option

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Document the `directio` mount option for file-backed mounts, because
recent users need this and this mount option has been available since
commit 6422cde1b0 ("erofs: use buffered I/O for file-backed mounts
by default") without proper documentation.

Reported-by: Yuxuan Liu <cdjddzy@foxmail.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

...

This commit is contained in:

Gao Xiang 2026-01-22 10:52:52 +08:00

parent cc831ab336

commit a221a73740

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Documentation/filesystems/erofs.rst

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