diff options
| -rw-r--r-- | fs/f2fs/f2fs.h | 46 |
1 files changed, 19 insertions, 27 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 9b967eb..55fb18e 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1255,33 +1255,7 @@ static inline bool is_idle(struct f2fs_sb_info *sbi) /* * Inline functions */ -static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, - unsigned int length) -{ - SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver); - u32 *ctx = (u32 *)shash_desc_ctx(shash); - u32 retval; - int err; - - shash->tfm = sbi->s_chksum_driver; - shash->flags = 0; - *ctx = F2FS_SUPER_MAGIC; - - err = crypto_shash_update(shash, address, length); - BUG_ON(err); - - retval = *ctx; - barrier_data(ctx); - return retval; -} - -static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, - void *buf, size_t buf_size) -{ - return f2fs_crc32(sbi, buf, buf_size) == blk_crc; -} - -static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, +static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, const void *address, unsigned int length) { struct { @@ -1302,6 +1276,24 @@ static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, return *(u32 *)desc.ctx; } +static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, + unsigned int length) +{ + return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); +} + +static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, + void *buf, size_t buf_size) +{ + return f2fs_crc32(sbi, buf, buf_size) == blk_crc; +} + +static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, + const void *address, unsigned int length) +{ + return __f2fs_crc32(sbi, crc, address, length); +} + static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) { return container_of(inode, struct f2fs_inode_info, vfs_inode); |
