From: Chengguang Xu Date: Wed, 24 Jun 2020 10:20:11 +0000 (+0800) Subject: ovl: fix incorrect extent info in metacopy case X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c11faf32599fee59f33896c8d59f9b3c17ca76fc;p=linux.git ovl: fix incorrect extent info in metacopy case In metacopy case, we should use ovl_inode_realdata() instead of ovl_inode_real() to get real inode which has data, so that we can get correct information of extentes in ->fiemap operation. Signed-off-by: Chengguang Xu Reviewed-by: Amir Goldstein Signed-off-by: Miklos Szeredi --- diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index b584dca845baa..1688ae7e34380 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -476,7 +476,7 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) { int err; - struct inode *realinode = ovl_inode_real(inode); + struct inode *realinode = ovl_inode_realdata(inode); const struct cred *old_cred; if (!realinode->i_op->fiemap)