diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 0d25f5ca5618..0b314b2034d8 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -147,7 +147,8 @@ struct f2fs_mount_info { /* For compression */ unsigned char compress_algorithm; /* algorithm type */ - unsigned compress_log_size; /* cluster log size */ + unsigned char compress_log_size; /* cluster log size */ + bool compress_chksum; /* compressed data chksum */ unsigned char compress_ext_cnt; /* extension count */ unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ }; @@ -676,6 +677,7 @@ enum { FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ + FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ FI_MMAP_FILE, /* indicate file was mmapped */ FI_MAX, /* max flag, never be used */ }; @@ -733,6 +735,7 @@ struct f2fs_inode_info { atomic_t i_compr_blocks; /* # of compressed blocks */ unsigned char i_compress_algorithm; /* algorithm type */ unsigned char i_log_cluster_size; /* log of cluster size */ + unsigned short i_compress_flag; /* compress flag */ unsigned int i_cluster_size; /* cluster size */ }; @@ -1272,9 +1275,15 @@ enum compress_algorithm_type { COMPRESS_MAX, }; -#define COMPRESS_DATA_RESERVED_SIZE 5 +enum compress_flag { + COMPRESS_CHKSUM, + COMPRESS_MAX_FLAG, +}; + +#define COMPRESS_DATA_RESERVED_SIZE 4 struct compress_data { __le32 clen; /* compressed data size */ + __le32 chksum; /* compressed data chksum */ __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ u8 cdata[]; /* compressed data */ }; @@ -3888,6 +3897,9 @@ static inline void set_compress_context(struct inode *inode) F2FS_OPTION(sbi).compress_algorithm; F2FS_I(inode)->i_log_cluster_size = F2FS_OPTION(sbi).compress_log_size; + F2FS_I(inode)->i_compress_flag = + F2FS_OPTION(sbi).compress_chksum ? + 1 << COMPRESS_CHKSUM : 0; F2FS_I(inode)->i_cluster_size = 1 << F2FS_I(inode)->i_log_cluster_size; F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; |