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Commit 892abde5 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

UBI: rename_volumes: Use UBI_METAONLY 



By using UBI_METAONLY in rename_volumes() it is now possible to rename
an UBI volume atomically while it is open for writing.
This is useful for firmware upgrades.

Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: Andrew Murray <amurray@embedded-bits.co.uk>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Tested-by: default avatarGuido Martínez <guido@vanguardiasur.com.ar>
Reviewed-by: default avatarGuido Martínez <guido@vanguardiasur.com.ar>
Tested-by: default avatarChristoph Fritz <chf.fritz@googlemail.com>
Tested-by: default avatarAndrew Murray <amurray@embedded-bits.co.uk>
parent fafdd2bf

drivers/mtd/ubi/cdev.c

+1 −1
Original line number Diff line number Diff line
@@ -736,7 +736,7 @@ static int rename_volumes(struct ubi_device *ubi, 
			goto out_free;

		}



		re->desc = ubi_open_volume(ubi->ubi_num, vol_id, UBI_READWRITE);

		re->desc = ubi_open_volume(ubi->ubi_num, vol_id, UBI_METAONLY);

		if (IS_ERR(re->desc)) {

			err = PTR_ERR(re->desc);

			ubi_err(ubi, "cannot open volume %d, error %d",