diff options
| -rw-r--r-- | fs/f2fs/f2fs.h | 7 | ||||
| -rw-r--r-- | include/linux/f2fs_fs.h | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index cd9748af1b63..e1dd986262cb 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -70,6 +70,13 @@ struct f2fs_mount_info { unsigned int opt; }; +#define F2FS_HAS_FEATURE(sb, mask) \ + ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) +#define F2FS_SET_FEATURE(sb, mask) \ + F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask) +#define F2FS_CLEAR_FEATURE(sb, mask) \ + F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask) + #define CRCPOLY_LE 0xedb88320 static inline __u32 f2fs_crc32(void *buf, size_t len) diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 8d345c24bcf7..d44e97f2b98e 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -90,7 +90,8 @@ struct f2fs_super_block { __le32 cp_payload; __u8 version[VERSION_LEN]; /* the kernel version */ __u8 init_version[VERSION_LEN]; /* the initial kernel version */ - __u8 reserved[892]; /* valid reserved region */ + __le32 feature; /* defined features */ + __u8 reserved[888]; /* valid reserved region */ } __packed; /* |