From e1e8debec6564d0c355aab84c93de8e357f397bd Mon Sep 17 00:00:00 2001 From: Daeho Jeong Date: Fri, 30 Oct 2020 13:10:35 +0900 Subject: f2fs: add F2FS_IOC_SET_COMPRESS_OPTION ioctl Added a new F2FS_IOC_SET_COMPRESS_OPTION ioctl to change file compression option of a file. struct f2fs_comp_option { u8 algorithm; => compression algorithm => 0:lzo, 1:lz4, 2:zstd, 3:lzorle u8 log_cluster_size; => log scale cluster size => 2 ~ 8 }; struct f2fs_comp_option option; option.algorithm = 1; option.log_cluster_size = 7; ioctl(fd, F2FS_IOC_SET_COMPRESS_OPTION, &option); Signed-off-by: Daeho Jeong [Chao Yu: remove f2fs_is_compress_algorithm_valid()] Signed-off-by: Jaegeuk Kim --- include/uapi/linux/f2fs.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/f2fs.h b/include/uapi/linux/f2fs.h index 872e61d78f29..f00199a2e38b 100644 --- a/include/uapi/linux/f2fs.h +++ b/include/uapi/linux/f2fs.h @@ -38,6 +38,8 @@ struct f2fs_sectrim_range) #define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \ struct f2fs_comp_option) +#define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \ + struct f2fs_comp_option) /* * should be same as XFS_IOC_GOINGDOWN. -- cgit