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f2fs: don't check inode's checksum if it was dirtied or writebacked 

If another thread already made the page dirtied or writebacked, we must avoid
to verify checksum. If we got an error, we need to remove its uptodate as well.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-08-31 16:54:51 -07:00
parent a298d57f96
commit ee60523499
2 changed files with 3 additions and 2 deletions
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3
fs/f2fs/inode.c
View File

@ -153,7 +153,8 @@ bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
struct f2fs_inode *ri;
__u32 provided, calculated;
if (!f2fs_enable_inode_chksum(sbi, page))
if (!f2fs_enable_inode_chksum(sbi, page) ||
PageDirty(page) || PageWriteback(page))
return true;
ri = &F2FS_NODE(page)->i;

2
fs/f2fs/node.c
View File

@ -1187,9 +1187,9 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
nid, nid_of_node(page), ino_of_node(page),
ofs_of_node(page), cpver_of_node(page),
next_blkaddr_of_node(page));
ClearPageUptodate(page);
err = -EINVAL;
out_err:
ClearPageUptodate(page);
f2fs_put_page(page, 1);
return ERR_PTR(err);
}