]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 625472f) | patch
f2fs: introduce F2FS_IOC_RESERVE_COMPRESS_BLOCKS
authorChao Yu <yuchao0@huawei.com>
Fri, 6 Mar 2020 06:35:33 +0000 (14:35 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Tue, 12 May 2020 03:37:12 +0000 (20:37 -0700)
commit6a4ac7ef120f14a43994319f21d9fa9aae7d9a7c
treeac6b83bb0d4c511b543def10047c6d3f4c5b2964tree | snapshot
parent625472f04cf0259a510bba41f6fc9642fb5daa5bcommit | diff
f2fs: introduce F2FS_IOC_RESERVE_COMPRESS_BLOCKS

This patch introduces a new ioctl to rollback all compress inode
status:
- add reserved blocks in dnode blocks
- increase i_compr_blocks, i_blocks, total_valid_block_count
- remove immutable flag

Then compress inode can be restored to support overwrite
functionality again.

Signee-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/f2fs.h diff | blob | history
fs/f2fs/file.c diff | blob | history
Linux Kernel Source Tree.