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Diffstat (limited to 'drivers/staging/erofs/data.c')
-rw-r--r--drivers/staging/erofs/data.c37
1 files changed, 5 insertions, 32 deletions
diff --git a/drivers/staging/erofs/data.c b/drivers/staging/erofs/data.c
index 5a55f0bfdfbb..9c471f08ffd4 100644
--- a/drivers/staging/erofs/data.c
+++ b/drivers/staging/erofs/data.c
@@ -165,43 +165,16 @@ err_out:
return err;
}
-#ifdef CONFIG_EROFS_FS_ZIP
-extern int z_erofs_map_blocks_iter(struct inode *,
- struct erofs_map_blocks *,
- struct page **, int);
-#endif
-
-int erofs_map_blocks_iter(struct inode *inode,
- struct erofs_map_blocks *map,
- struct page **mpage_ret, int flags)
-{
- /* by default, reading raw data never use erofs_map_blocks_iter */
- if (unlikely(!is_inode_layout_compression(inode))) {
- if (*mpage_ret)
- put_page(*mpage_ret);
- *mpage_ret = NULL;
-
- return erofs_map_blocks(inode, map, flags);
- }
-
-#ifdef CONFIG_EROFS_FS_ZIP
- return z_erofs_map_blocks_iter(inode, map, mpage_ret, flags);
-#else
- /* data compression is not available */
- return -ENOTSUPP;
-#endif
-}
-
int erofs_map_blocks(struct inode *inode,
struct erofs_map_blocks *map, int flags)
{
if (unlikely(is_inode_layout_compression(inode))) {
- struct page *mpage = NULL;
- int err;
+ int err = z_erofs_map_blocks_iter(inode, map, flags);
- err = erofs_map_blocks_iter(inode, map, &mpage, flags);
- if (mpage)
- put_page(mpage);
+ if (map->mpage) {
+ put_page(map->mpage);
+ map->mpage = NULL;
+ }
return err;
}
return erofs_map_blocks_flatmode(inode, map, flags);