ext4: Remove fs-layer file contents en/decryption code

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Now that fscrypt's file contents en/decryption is always implemented
using blk-crypto when the filesystem is block-based, the fs-layer
en/decryption code in ext4 is unused code.  Remove it.

Note that this makes possible some additional cleanups, but they're left
to later commits:

  - Making ext4_bio_write_folio() return void
  - Renaming bio_post_read_ctx to fsverity_ctx or similar, and
    allocating the pool only when fsverity support is needed

Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260713023708.9245-8-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>

...

This commit is contained in:

Eric Biggers 2026-07-12 22:36:58 -04:00

parent d6a782f294

commit b4e409c18c

4 changed files with 13 additions and 164 deletions

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1

fs/ext4/crypto.c

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28

fs/ext4/inode.c

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68

fs/ext4/page-io.c

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80

fs/ext4/readpage.c

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