On 6/24/20 6:20 PM, Chengguang Xu wrote:
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 <cgxu519@xxxxxxxxxxxx>
ping
--- fs/overlayfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 981f11ec51bc..a524af04b71d 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -472,7 +472,7 @@ 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)
