ceph: plumb in decryption during reads

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Force the use of sparse reads when the inode is encrypted, and add the
appropriate code to decrypt the extent map after receiving.

Note that the crypto block may be smaller than a page, but the reverse
cannot be true.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Reviewed-and-tested-by: Luís Henriques <lhenriques@suse.de>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

...

This commit is contained in:

Jeff Layton 2022-08-25 09:31:22 -04:00 • committed by Ilya Dryomov

parent d55207717d

commit f0fe1e54cf

2 changed files with 125 additions and 34 deletions

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69

fs/ceph/addr.c

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90

fs/ceph/file.c

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