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passthrough: add ability to disallow operations that could change fil… #88

Merged
merged 1 commit into from
Sep 9, 2022
Merged

passthrough: add ability to disallow operations that could change fil… #88

merged 1 commit into from
Sep 9, 2022

Commits on Sep 1, 2022

  1. passthrough: add ability to disallow operations that could change fil… 

    …e size

Introduce 'seal_size' flag prohibits operations which will change file
size or allocate file block exceed file size.

This assumes the fuse server side is trustable, and client side is not
trusted and not allowed to change file size. For example, in virtiofs
case, we trust the host side and don't trust guest side.

Signed-off-by: shayan.sy <[email protected]>
Signed-off-by: Eryu Guan <[email protected]>
    @eryugey
    shayan.sy authored and eryugey committed Sep 1, 2022
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