[PATCH 1/2] erofs: get rid of name from struct z_erofs_decompressor

[Yue Hu]

From: Yue Hu <huy...@coolpad.com>

There are no users of the name and we can get this via ->alg if needed.
Also, move struct z_erofs_decompressor into decompressor.c which is the
only one to use it.

Signed-off-by: Yue Hu <huy...@coolpad.com>
---
 fs/erofs/compress.h     | 6 ------
 fs/erofs/decompressor.c | 9 +++++----
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/fs/erofs/compress.h b/fs/erofs/compress.h
index 26fa170090b8..d161683bda03 100644
--- a/fs/erofs/compress.h
+++ b/fs/erofs/compress.h
@@ -20,12 +20,6 @@ struct z_erofs_decompress_req {
        bool inplace_io, partial_decoding, fillgaps;
 };
 
-struct z_erofs_decompressor {
-       int (*decompress)(struct z_erofs_decompress_req *rq,
-                         struct page **pagepool);
-       char *name;
-};
-
 /* some special page->private (unsigned long, see below) */
 #define Z_EROFS_SHORTLIVED_PAGE                (-1UL << 2)
 #define Z_EROFS_PREALLOCATED_PAGE      (-2UL << 2)
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index 7021e2cf6146..f416ebd6f0dc 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -363,23 +363,24 @@ static int z_erofs_transform_plain(struct 
z_erofs_decompress_req *rq,
        return 0;
 }
 
+struct z_erofs_decompressor {
+       int (*decompress)(struct z_erofs_decompress_req *rq,
+                         struct page **pagepool);
+};
+
 static struct z_erofs_decompressor decompressors[] = {
        [Z_EROFS_COMPRESSION_SHIFTED] = {
                .decompress = z_erofs_transform_plain,
-               .name = "shifted"
        },
        [Z_EROFS_COMPRESSION_INTERLACED] = {
                .decompress = z_erofs_transform_plain,
-               .name = "interlaced"
        },
        [Z_EROFS_COMPRESSION_LZ4] = {
                .decompress = z_erofs_lz4_decompress,
-               .name = "lz4"
        },
 #ifdef CONFIG_EROFS_FS_ZIP_LZMA
        [Z_EROFS_COMPRESSION_LZMA] = {
                .decompress = z_erofs_lzma_decompress,
-               .name = "lzma"
        },
 #endif
 };
-- 
2.17.1