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authorEric Biggers <ebiggers@google.com>2019-07-22 09:26:22 -0700
committerEric Biggers <ebiggers@google.com>2019-07-28 16:59:16 -0700
commit8a1d0f9cacc997bedc017056a94f35dc823394ed (patch)
tree90d55ad08622ed954361629d906d11469919abae /fs/stat.c
parentc1d9b584e2cf3f0562d8fcf34574c044d17853a1 (diff)
fs-verity: add data verification hooks for ->readpages()
Add functions that verify data pages that have been read from a fs-verity file, against that file's Merkle tree. These will be called from filesystems' ->readpage() and ->readpages() methods. Since data verification can block, a workqueue is provided for these methods to enqueue verification work from their bio completion callback. See the "Verifying data" section of Documentation/filesystems/fsverity.rst for more information. Reviewed-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'fs/stat.c')
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