From de06a6a375414be03ce5b1054f2d836591923a1d Mon Sep 17 00:00:00 2001 From: Gao Xiang Date: Mon, 29 Mar 2021 09:23:05 +0800 Subject: erofs: introduce erofs_sb_has_xxx() helpers Introduce erofs_sb_has_xxx() to make long checks short, especially for later big pcluster & LZMA features. Link: https://lore.kernel.org/r/20210329012308.28743-2-hsiangkao@aol.com Reviewed-by: Chao Yu Signed-off-by: Gao Xiang --- fs/erofs/internal.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'fs/erofs/internal.h') diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index db8c8470269e..a148a039cf67 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -218,6 +218,15 @@ static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid) return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits); } +#define EROFS_FEATURE_FUNCS(name, compat, feature) \ +static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \ +{ \ + return sbi->feature_##compat & EROFS_FEATURE_##feature; \ +} + +EROFS_FEATURE_FUNCS(lz4_0padding, incompat, INCOMPAT_LZ4_0PADDING) +EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM) + /* atomic flag definitions */ #define EROFS_I_EA_INITED_BIT 0 #define EROFS_I_Z_INITED_BIT 1 -- cgit v1.2.3