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erofs: rename lz4_0pading to zero_padding 

Renaming lz4_0padding to zero_padding globally since LZMA and later
algorithms also need that.

Link: https://lore.kernel.org/r/20211112160935.19394-1-jnhuang95@gmail.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Huang Jianan 2021-11-13 00:09:33 +08:00 committed by Gao Xiang
parent d58071a8a7
commit 7e508f2ca8
3 changed files with 5 additions and 5 deletions
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4
fs/erofs/decompressor.c
View File

@ -195,8 +195,8 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_decompress_req *rq,
inputmargin = 0;
support_0padding = false;
/* decompression inplace is only safe when 0padding is enabled */
if (erofs_sb_has_lz4_0padding(EROFS_SB(rq->sb))) {
/* decompression inplace is only safe when zero_padding is enabled */
if (erofs_sb_has_zero_padding(EROFS_SB(rq->sb))) {
support_0padding = true;
while (!headpage[inputmargin & ~PAGE_MASK])

4
fs/erofs/erofs_fs.h
View File

@ -17,14 +17,14 @@
* Any bits that aren't in EROFS_ALL_FEATURE_INCOMPAT should
* be incompatible with this kernel version.
*/
#define EROFS_FEATURE_INCOMPAT_LZ4_0PADDING 0x00000001
#define EROFS_FEATURE_INCOMPAT_ZERO_PADDING 0x00000001
#define EROFS_FEATURE_INCOMPAT_COMPR_CFGS 0x00000002
#define EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER 0x00000002
#define EROFS_FEATURE_INCOMPAT_CHUNKED_FILE 0x00000004
#define EROFS_FEATURE_INCOMPAT_DEVICE_TABLE 0x00000008
#define EROFS_FEATURE_INCOMPAT_COMPR_HEAD2 0x00000008
#define EROFS_ALL_FEATURE_INCOMPAT \
(EROFS_FEATURE_INCOMPAT_LZ4_0PADDING | \
(EROFS_FEATURE_INCOMPAT_ZERO_PADDING | \
EROFS_FEATURE_INCOMPAT_COMPR_CFGS | \
EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER | \
EROFS_FEATURE_INCOMPAT_CHUNKED_FILE | \

2
fs/erofs/internal.h
View File

@ -258,7 +258,7 @@ 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(zero_padding, incompat, INCOMPAT_ZERO_PADDING)
EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
EROFS_FEATURE_FUNCS(device_table, incompat, INCOMPAT_DEVICE_TABLE)