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* Revert "GCC: Fix up for gcc 5+"Moyster2018-11-301-1/+0
| | | | This reverts commit ff505baaf412985af758d5820cd620ed9f1a7e05.
* GCC: Fix up for gcc 5+mydongistiny2018-11-291-0/+1
| | | | | Signed-off-by: mydongistiny <jaysonedson@gmail.com> Signed-off-by: Mister Oyster <oysterized@gmail.com>
* ext4: move sysfs code from super.c to fs/ext4/sysfs.cTheodore Ts'o2017-12-311-1/+1
| | | | | | | | | Also statically allocate the ext4_kset and ext4_feat objects, since we only need exactly one of each, and it's simpler and less code if we drop the dynamic allocation and deallocation when it's not needed. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Joe Maples <joe@frap129.org>
* ext4 crypto: filename encryption facilitiesMichael Halcrow2017-05-271-1/+2
| | | | | | | | | Change-Id: I3747c17790c296dbef4ee8d8d4405796ef462aa8 Signed-off-by: Uday Savagaonkar <savagaon@google.com> Signed-off-by: Ildar Muslukhov <ildarm@google.com> Signed-off-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Theodore Ts'o <tytso@google.com>
* ext4 crypto: add encryption key management facilitiesMichael Halcrow2017-05-271-1/+1
| | | | | | | | Change-Id: I4e59c73febff7041c9db6c58c775413e2f5bd0e8 Signed-off-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Ildar Muslukhov <muslukhovi@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Theodore Ts'o <tytso@google.com>
* ext4 crypto: add ext4 encryption facilitiesMichael Halcrow2017-05-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | On encrypt, we will re-assign the buffer_heads to point to a bounce page rather than the control_page (which is the original page to write that contains the plaintext). The block I/O occurs against the bounce page. On write completion, we re-assign the buffer_heads to the original plaintext page. On decrypt, we will attach a read completion callback to the bio struct. This read completion will decrypt the read contents in-place prior to setting the page up-to-date. The current encryption mode, AES-256-XTS, lacks cryptographic integrity. AES-256-GCM is in-plan, but we will need to devise a mechanism for handling the integrity data. Change-Id: I6e0569c9f19a82c75f4b545ad04ff7fdd1908d74 Signed-off-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Ildar Muslukhov <ildarm@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Theodore Ts'o <tytso@google.com>
* ext4 crypto: add encryption policy and password salt supportMichael Halcrow2017-05-271-0/+1
| | | | | | | | Change-Id: I1a48fadd5f5ab6188ee93709a9c86ac75da2c220 Signed-off-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Ildar Muslukhov <muslukhovi@gmail.com> Signed-off-by: Theodore Ts'o <tytso@google.com>
* ext4 crypto: add ext4_mpage_readpages()Theodore Ts'o2017-05-271-1/+1
| | | | | | | | | | This takes code from fs/mpage.c and optimizes it for ext4. Its primary reason is to allow us to more easily add encryption to ext4's read path in an efficient manner. Change-Id: I7d3a27c9768c1487dd374754b40ea6fe64589593 Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Theodore Ts'o <tytso@google.com>
* first commitMeizu OpenSource2016-08-151-0/+14
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