fscrypt: update documentation for direct I/O support
authorEric Biggers <ebiggers@google.com>
Fri, 28 Jan 2022 23:39:40 +0000 (15:39 -0800)
committerEric Biggers <ebiggers@google.com>
Tue, 8 Feb 2022 19:02:18 +0000 (11:02 -0800)
commitcdaa1b1941f667814300799ddb74f3079517cd5a
treec8a6c4ba935662cbbb33a3dac5c90c72f55957d1
parent8a2c77bc2a9a44d1a80dee1f320ea8f7516b98ee
fscrypt: update documentation for direct I/O support

Now that direct I/O is supported on encrypted files in some cases,
document what these cases are.

Link: https://lore.kernel.org/r/20220128233940.79464-6-ebiggers@kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Documentation/filesystems/fscrypt.rst