On Fri, 23 Dec 2022 12:36:37 -0800 Eric Biggers <ebigg...@kernel.org> wrote:

> After each filesystem block (as represented by a buffer_head) has been
> read from disk by block_read_full_folio(), verify it if needed.  The
> verification is done on the fsverity_read_workqueue.  Also allow reads
> of verity metadata past i_size, as required by ext4.

Sigh.  Do we reeeeealy need to mess with buffer.c in this fashion?  Did
any other subsystems feel a need to do this?

> This is needed to support fsverity on ext4 filesystems where the
> filesystem block size is less than the page size.

Does any real person actually do this?


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