From fb3e61f921b6b01b7aec9a8a60c93bd7efbbbd35 Mon Sep 17 00:00:00 2001
From: Chao Yu <chao@kernel.org>
Date: Wed, 25 Aug 2021 19:34:19 +0800
Subject: [PATCH] f2fs: fix to unmap pages from userspace process in punch_hole()
Git-commit: c8dc3047c48540183744f959412d44b08c5435e1
Patch-mainline: v5.15-rc1
References: stable-5.14.6
[ Upstream commit c8dc3047c48540183744f959412d44b08c5435e1 ]
We need to unmap pages from userspace process before removing pagecache
in punch_hole() like we did in f2fs_setattr().
Similar change:
commit 5e44f8c374dc ("ext4: hole-punch use truncate_pagecache_range")
Fixes: fbfa2cc58d53 ("f2fs: add file operations")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
fs/f2fs/file.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1082,7 +1082,6 @@ static int punch_hole(struct inode *inod
}
if (pg_start < pg_end) {
- struct address_space *mapping = inode->i_mapping;
loff_t blk_start, blk_end;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
@@ -1094,8 +1093,7 @@ static int punch_hole(struct inode *inod
down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(inode->i_mapping);
- truncate_inode_pages_range(mapping, blk_start,
- blk_end - 1);
+ truncate_pagecache_range(inode, blk_start, blk_end - 1);
f2fs_lock_op(sbi);
ret = f2fs_truncate_hole(inode, pg_start, pg_end);