[PATCH 3/4] f2fs: fix wrong block count instead of bytes

From: Jaegeuk Kim
Date: Wed Nov 25 2020 - 21:24:32 EST


We should convert cur_lblock, a block count, to bytes for len.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/data.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index a84e5bc09337..e49c14ccfafe 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3893,7 +3893,7 @@ static int check_swap_activate_fast(struct swap_info_struct *sis,
sector_t highest_pblock = 0;
int nr_extents = 0;
unsigned long nr_pblocks;
- unsigned long len;
+ u64 len;
int ret;

/*
@@ -3911,7 +3911,7 @@ static int check_swap_activate_fast(struct swap_info_struct *sis,
cond_resched();

memset(&map_bh, 0, sizeof(struct buffer_head));
- map_bh.b_size = len - cur_lblock;
+ map_bh.b_size = len - blks_to_bytes(inode, cur_lblock);

ret = get_data_block(inode, cur_lblock, &map_bh, 0,
F2FS_GET_BLOCK_FIEMAP, &next_pgofs);
--
2.29.2.454.gaff20da3a2-goog