[PATCH v12 15/17] ovl: Remove redirect when data of a metacopy file is copied up

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When a metacopy file is no longer a metacopy and data has been copied up,
remove REDIRECT xattr. Its not needed anymore.

Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
---
 fs/overlayfs/copy_up.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 0c8d2755bd25..704febd2e2fa 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -775,6 +775,15 @@ static int ovl_copy_up_meta_inode_data(struct ovl_copy_up_ctx *c)
 	if (err)
 		return err;
 
+	/*
+	 * A metacopy files does not need redirect xattr once data has
+	 * been copied up.
+	 */
+	err = vfs_removexattr(upperpath.dentry, OVL_XATTR_REDIRECT);
+	if (err && err != -ENODATA && err != -EOPNOTSUPP)
+		return err;
+
+	err = 0;
 	ovl_set_upperdata(d_inode(c->dentry));
 	return err;
 }
-- 
2.13.6

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