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* Documentation: filesystems: fsverity: drop doubled wordRandy Dunlap2020-07-051-1/+1
| | | | | | | | | | | | | Drop the doubled word "the". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Eric Biggers <ebiggers@kernel.org> Cc: Theodore Y. Ts'o <tytso@mit.edu> Cc: linux-fscrypt@vger.kernel.org Link: https://lore.kernel.org/r/20200703214325.31036-6-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: fs-verity: mention statx() supportEric Biggers2019-11-131-0/+8
| | | | | | | Document that the statx() system call can now be used to check whether a file is a verity file. Signed-off-by: Eric Biggers <ebiggers@google.com>
* docs: fs-verity: document first supported kernel versionEric Biggers2019-11-131-2/+2
| | | | | | | I had meant to replace these TODOs with the actual version when applying the patches, but forgot to do so. Do it now. Signed-off-by: Eric Biggers <ebiggers@google.com>
* fs-verity: add a documentation fileEric Biggers2019-07-291-0/+726
Add a documentation file for fs-verity, covering: - Introduction - Use cases - User API - FS_IOC_ENABLE_VERITY - FS_IOC_MEASURE_VERITY - FS_IOC_GETFLAGS - Accessing verity files - File measurement computation - Merkle tree - fs-verity descriptor - Built-in signature verification - Filesystem support - ext4 - f2fs - Implementation details - Verifying data - Pagecache - Block device based filesystems - Userspace utility - Tests - FAQ Reviewed-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Eric Biggers <ebiggers@google.com>