In f2fs_migrate_blocks(), when traversing blocks in last section,
blkofs_end should be (start_blk + blkcnt - 1) % blk_per_sec, fix it.
Signed-off-by: Chao Yu <c...@kernel.org>
---
fs/f2fs/data.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c21b92f18463..0c728e82d936 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3841,13 +3841,14 @@ static int f2fs_migrate_blocks(struct inode *inode,
block_t start_blk,
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
unsigned int blkofs;
unsigned int blk_per_sec = BLKS_PER_SEC(sbi);
+ unsigned int end_blk = start_blk + blkcnt - 1;
unsigned int secidx = start_blk / blk_per_sec;
unsigned int end_sec;
int ret = 0;
if (!blkcnt)
return 0;
- end_sec = secidx + (blkcnt - 1) / blk_per_sec;
+ end_sec = end_blk / blk_per_sec;
f2fs_down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
filemap_invalidate_lock(inode->i_mapping);
@@ -3857,7 +3858,7 @@ static int f2fs_migrate_blocks(struct inode *inode,
block_t start_blk,
for (; secidx <= end_sec; secidx++) {
unsigned int blkofs_end = secidx == end_sec ?
- (blkcnt - 1) % blk_per_sec : blk_per_sec - 1;
+ end_blk % blk_per_sec : blk_per_sec - 1;
f2fs_down_write(&sbi->pin_sem);
--
2.40.1
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