diff options
author | Gao Xiang <gaoxiang25@huawei.com> | 2019-09-04 10:08:54 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-05 20:10:07 +0200 |
commit | 8a76568225deae18cea1d1a21c2bade2f2ced2ba (patch) | |
tree | 1156c41d308d2a292b6c7ed5aa0fe916b10ec495 /fs/erofs/erofs_fs.h | |
parent | 426a930891cf17c5c16f12e8e2c8cb75c4cfff3c (diff) |
erofs: better naming for erofs inode related stuffs
updates inode naming
- kill is_inode_layout_compression [1]
- kill magic underscores [2] [3]
- better naming for datamode & data_mapping_mode [3]
- better naming erofs_inode_{compact, extended} [4]
[1] https://lore.kernel.org/r/20190829102426.GE20598@infradead.org/
[2] https://lore.kernel.org/r/20190829102426.GE20598@infradead.org/
[3] https://lore.kernel.org/r/20190902122627.GN15931@infradead.org/
[4] https://lore.kernel.org/r/20190902125438.GA17750@infradead.org/
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Link: https://lore.kernel.org/r/20190904020912.63925-8-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/erofs/erofs_fs.h')
-rw-r--r-- | fs/erofs/erofs_fs.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h index b2aef3bc377d..18689e916e94 100644 --- a/fs/erofs/erofs_fs.h +++ b/fs/erofs/erofs_fs.h @@ -41,7 +41,7 @@ struct erofs_super_block { }; /* - * erofs inode data mapping: + * erofs inode datalayout: * 0 - inode plain without inline data A: * inode, [xattrs], ... | ... | no-holed data * 1 - inode VLE compression B (legacy): @@ -57,7 +57,7 @@ enum { EROFS_INODE_FLAT_COMPRESSION_LEGACY = 1, EROFS_INODE_FLAT_INLINE = 2, EROFS_INODE_FLAT_COMPRESSION = 3, - EROFS_INODE_LAYOUT_MAX + EROFS_INODE_DATALAYOUT_MAX }; static inline bool erofs_inode_is_data_compressed(unsigned int datamode) @@ -68,14 +68,14 @@ static inline bool erofs_inode_is_data_compressed(unsigned int datamode) /* bit definitions of inode i_advise */ #define EROFS_I_VERSION_BITS 1 -#define EROFS_I_DATA_MAPPING_BITS 3 +#define EROFS_I_DATALAYOUT_BITS 3 #define EROFS_I_VERSION_BIT 0 -#define EROFS_I_DATA_MAPPING_BIT 1 +#define EROFS_I_DATALAYOUT_BIT 1 /* 32-byte reduced form of an ondisk inode */ -struct erofs_inode_v1 { - __le16 i_advise; /* inode hints */ +struct erofs_inode_compact { + __le16 i_format; /* inode format hints */ /* 1 header + n-1 * 4 bytes inline xattr to keep continuity */ __le16 i_xattr_icount; @@ -98,13 +98,13 @@ struct erofs_inode_v1 { }; /* 32 bytes on-disk inode */ -#define EROFS_INODE_LAYOUT_V1 0 +#define EROFS_INODE_LAYOUT_COMPACT 0 /* 64 bytes on-disk inode */ -#define EROFS_INODE_LAYOUT_V2 1 +#define EROFS_INODE_LAYOUT_EXTENDED 1 /* 64-byte complete form of an ondisk inode */ -struct erofs_inode_v2 { - __le16 i_advise; /* inode hints */ +struct erofs_inode_extended { + __le16 i_format; /* inode format hints */ /* 1 header + n-1 * 4 bytes inline xattr to keep continuity */ __le16 i_xattr_icount; @@ -299,8 +299,8 @@ struct erofs_dirent { static inline void erofs_check_ondisk_layout_definitions(void) { BUILD_BUG_ON(sizeof(struct erofs_super_block) != 128); - BUILD_BUG_ON(sizeof(struct erofs_inode_v1) != 32); - BUILD_BUG_ON(sizeof(struct erofs_inode_v2) != 64); + BUILD_BUG_ON(sizeof(struct erofs_inode_compact) != 32); + BUILD_BUG_ON(sizeof(struct erofs_inode_extended) != 64); BUILD_BUG_ON(sizeof(struct erofs_xattr_ibody_header) != 12); BUILD_BUG_ON(sizeof(struct erofs_xattr_entry) != 4); BUILD_BUG_ON(sizeof(struct z_erofs_map_header) != 8); |