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erofs: fold in z_erofs_decompress()

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No need this helper since it's just a simple wrapper for decompress
method and only one caller.  So, let's fold in directly instead.

Signed-off-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230426084449.12781-1-zbestahu@gmail.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Yue Hu 2023-04-26 16:44:49 +08:00 committed by Gao Xiang
parent 7877cb91f1
commit 597e2953ae
3 changed files with 5 additions and 10 deletions
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3
fs/erofs/compress.h
View File

@ -89,8 +89,7 @@ static inline bool erofs_page_is_managed(const struct erofs_sb_info *sbi,
int z_erofs_fixup_insize(struct z_erofs_decompress_req *rq, const char *padbuf,
unsigned int padbufsize);
int z_erofs_decompress(struct z_erofs_decompress_req *rq,
struct page **pagepool);
extern const struct z_erofs_decompressor erofs_decompressors[];
/* prototypes for specific algorithms */
int z_erofs_lzma_decompress(struct z_erofs_decompress_req *rq,

8
fs/erofs/decompressor.c
View File

@ -363,7 +363,7 @@ static int z_erofs_transform_plain(struct z_erofs_decompress_req *rq,
return 0;
}
static struct z_erofs_decompressor decompressors[] = {
const struct z_erofs_decompressor erofs_decompressors[] = {
[Z_EROFS_COMPRESSION_SHIFTED] = {
.decompress = z_erofs_transform_plain,
.name = "shifted"
@ -383,9 +383,3 @@ static struct z_erofs_decompressor decompressors[] = {
},
#endif
};
int z_erofs_decompress(struct z_erofs_decompress_req *rq,
struct page **pagepool)
{
return decompressors[rq->alg].decompress(rq, pagepool);
}

4
fs/erofs/zdata.c
View File

@ -1283,6 +1283,8 @@ static int z_erofs_decompress_pcluster(struct z_erofs_decompress_backend *be,
struct erofs_sb_info *const sbi = EROFS_SB(be->sb);
struct z_erofs_pcluster *pcl = be->pcl;
unsigned int pclusterpages = z_erofs_pclusterpages(pcl);
const struct z_erofs_decompressor *decompressor =
&erofs_decompressors[pcl->algorithmformat];
unsigned int i, inputsize;
int err2;
struct page *page;
@ -1326,7 +1328,7 @@ static int z_erofs_decompress_pcluster(struct z_erofs_decompress_backend *be,
else
inputsize = pclusterpages * PAGE_SIZE;
err = z_erofs_decompress(&(struct z_erofs_decompress_req) {
err = decompressor->decompress(&(struct z_erofs_decompress_req) {
.sb = be->sb,
.in = be->compressed_pages,
.out = be->decompressed_pages,