[PATCH 5.18 121/339] erofs: fix backmost member of z_erofs_decompress_frontend

From: Greg Kroah-Hartman
Date: Mon Jun 13 2022 - 09:45:33 EST


From: Weizhao Ouyang <o451686892@xxxxxxxxx>

[ 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@xxxxxxxxx>
Reviewed-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Reviewed-by: Yue Hu <huyue2@xxxxxxxxxxx>
Reviewed-by: Chao Yu <chao@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220530075114.918874-1-o451686892@xxxxxxxxx
Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/erofs/zdata.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index e6dea6dfca16..3e3e96043b5b 100644
--- 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);
--
2.35.1