From 86f35dc39ef9cdc5d33548e2d4ddac815a39e542 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 28 Aug 2019 17:33:35 +0800 Subject: f2fs: fix extent corrupotion during directIO in LFS mode In LFS mode, por_fsstress testcase reports a bug as below: [ASSERT] (fsck_chk_inode_blk: 931) --> ino: 0x12fe has wrong ext: [pgofs:142, blk:215424, len:16] Since commit f847c699cff3 ("f2fs: allow out-place-update for direct IO in LFS mode"), we start to allow OPU mode for direct IO, however, we missed to update extent cache in __allocate_data_block(), finally, it cause extent field being inconsistent with physical block address, fix it. Fixes: f847c699cff3 ("f2fs: allow out-place-update for direct IO in LFS mode") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ab8c8f2fff70..7e9fafd44cbc 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1018,7 +1018,7 @@ alloc: if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) invalidate_mapping_pages(META_MAPPING(sbi), old_blkaddr, old_blkaddr); - f2fs_set_data_blkaddr(dn); + f2fs_update_data_blkaddr(dn, dn->data_blkaddr); /* * i_size will be updated by direct_IO. Otherwise, we'll get stale -- cgit v1.2.3