BMC/Intel-BMC/linux.git/fs/f2fs/f2fs.h, branch dev

f2fs: skip committing valid superblock

2015-06-08T18:20:51+00:00

In recovery procedure for superblock, we try to write data of valid superblock into invalid one for recovery, work should be finished here, but then still we will write the valid one with its original data. This operation is not needed. Let's skip doing this unnecessary work. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs: hide common code in f2fs_replace_block

2015-06-02T16:52:07+00:00

This patch clean up codes through: 1.rename f2fs_replace_block to __f2fs_replace_block(). 2.introduce new f2fs_replace_block() to include __f2fs_replace_block() and some common related codes around __f2fs_replace_block(). Then, newly introduced function f2fs_replace_block can be used by following patch. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs crypto: use per-inode tfm structure

2015-06-01T23:21:04+00:00

This patch applies the following ext4 patch: ext4 crypto: use per-inode tfm structure As suggested by Herbert Xu, we shouldn't allocate a new tfm each time we read or write a page. Instead we can use a single tfm hanging off the inode's crypt_info structure for all of our encryption needs for that inode, since the tfm can be used by multiple crypto requests in parallel. Also use cmpxchg() to avoid races that could result in crypt_info structure getting doubly allocated or doubly freed. Signed-off-by: Theodore Ts'o Signed-off-by: Jaegeuk Kim

f2fs: introduce update_meta_page

2015-06-01T23:21:00+00:00

Add a help function update_meta_page() to update meta page with specified buffer. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim

f2fs crypto: split f2fs_crypto_init/exit with two parts

2015-06-01T23:20:59+00:00

This patch splits f2fs_crypto_init/exit with two parts: base initialization and memory allocation. Firstly, f2fs module declares the base encryption memory pointers. Then, allocating internal memories is done at the first encrypted inode access. Signed-off-by: Jaegeuk Kim

f2fs crypto: use slab caches

2015-06-01T23:20:55+00:00

This patch integrates the below patch into f2fs. "ext4 crypto: use slab caches Use slab caches the ext4_crypto_ctx and ext4_crypt_info structures for slighly better memory efficiency and debuggability." Signed-off-by: Theodore Ts'o Signed-off-by: Jaegeuk Kim

f2fs crypto: add symlink encryption

2015-05-28T22:41:55+00:00

This patch implements encryption support for symlink. Signed-off-by: Uday Savagaonkar Signed-off-by: Theodore Ts'o Signed-off-by: Jaegeuk Kim

f2fs crypto: add filename encryption for roll-forward recovery

2015-05-28T22:41:55+00:00

This patch adds a bit flag to indicate whether or not i_name in the inode is encrypted. If this name is encrypted, we can't do recover_dentry during roll-forward. So, f2fs_sync_file() needs to do checkpoint, if this will be needed in future. Signed-off-by: Jaegeuk Kim

f2fs crypto: add filename encryption for f2fs_lookup

2015-05-28T22:41:54+00:00

This patch implements filename encryption support for f2fs_lookup. Note that, f2fs_find_entry should be outside of f2fs_(un)lock_op(). Signed-off-by: Jaegeuk Kim

f2fs crypto: add filename encryption for f2fs_readdir

2015-05-28T22:41:53+00:00

This patch implements filename encryption support for f2fs_readdir. Signed-off-by: Jaegeuk Kim