erofs: fix 'backmost' member of z_erofs_decompress_frontend

[ Upstream commit 4398d3c31b582db0d640b23434bf344a6c8df57c ]

Initialize 'backmost' to true in DECOMPRESS_FRONTEND_INIT.

Fixes: 5c6dcc57e2e5 ("erofs: get rid of `struct z_erofs_collector'")
Signed-off-by: Weizhao Ouyang <o451686892@gmail.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20220530075114.918874-1-o451686892@gmail.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index e6dea6dfca161398c9e38324fc605e3a757ddd0f..3e3e96043b5b50d7c7094dbca2b81babbfe4f46c 100644 (file)
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -214,7 +214,7 @@ struct z_erofs_decompress_frontend {
 
 #define DECOMPRESS_FRONTEND_INIT(__i) { \
        .inode = __i, .owned_head = Z_EROFS_PCLUSTER_TAIL, \
-       .mode = COLLECT_PRIMARY_FOLLOWED }
+       .mode = COLLECT_PRIMARY_FOLLOWED, .backmost = true }
 
 static struct page *z_pagemap_global[Z_EROFS_VMAP_GLOBAL_PAGES];
 static DEFINE_MUTEX(z_pagemap_global_lock);