Commit c11faf32 authored Jun 24, 2020 by Chengguang Xu Committed by Miklos Szeredi Nov 12, 2020

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 <cgxu519@mykernel.net>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

parent cef4cbff

fs/overlayfs/inode.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)

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