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UBI: rename_volumes: Use UBI_METAONLY

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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: Richard Weinberger <richard@nod.at>
Tested-by: Guido Martínez <guido@vanguardiasur.com.ar>
Reviewed-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Christoph Fritz <chf.fritz@googlemail.com>
Tested-by: Andrew Murray <amurray@embedded-bits.co.uk>
This commit is contained in:
Richard Weinberger 2014-11-24 22:30:10 +01:00
parent fafdd2bf26
commit 892abde56c
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/ubi/cdev.c
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@ -736,7 +736,7 @@ static int rename_volumes(struct ubi_device *ubi,
goto out_free; 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)) { if (IS_ERR(re->desc)) {
err = PTR_ERR(re->desc); err = PTR_ERR(re->desc);
ubi_err(ubi, "cannot open volume %d, error %d", ubi_err(ubi, "cannot open volume %d, error %d",