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Commit 1af28ceb authored by Igor Mammedov's avatar Igor Mammedov Committed by Steve French
Browse files

Enable dfs submounts to handle remote referrals. 



Having remote dfs root support in cifs_mount, we can
afford to pass into it UNC that is remote.

Signed-off-by: default avatarIgor Mammedov <niallain@gmail.com>
Acked-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 20418acd

fs/cifs/cifs_dfs_ref.c

+14 −18
Original line number Diff line number Diff line
@@ -341,8 +341,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) 


	for (i = 0; i < num_referrals; i++) {

		dump_referral(referrals+i);

		/* connect to a storage node */

		if (referrals[i].flags & DFSREF_STORAGE_SERVER) {

		/* connect to a node */

		int len;

		len = strlen(referrals[i].node_name);

		if (len < 2) {
@@ -352,17 +351,14 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) 
			goto out_err;

		}

		mnt = cifs_dfs_do_refmount(nd->path.mnt,

						nd->path.dentry,

						referrals + i);

			cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p",

					 __func__,

				nd->path.dentry, referrals + i);

		cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p", __func__,

					referrals[i].node_name, mnt));



		/* complete mount procedure if we accured submount */

		if (!IS_ERR(mnt))

			break;

	}

	}



	/* we need it cause for() above could exit without valid submount */

	rc = PTR_ERR(mnt);