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UBIFS: allow more than one volume to be mounted

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UBIFS uses a bdi device per volume, but does not care to hand out unique
names to each of them. This causes an error when trying to mount more
than one volumes. Append the UBI volume and device ID to avoid that.

[Amended a bit by Artem Bityutskiy]

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Artem Bityutskiy <dedekind@infradead.org>
Cc: Adrian Hunter <ext-adrian.hunter@nokia.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Daniel Mack 2009-07-02 17:15:47 +02:00 committed by Artem Bityutskiy
parent 1fb8bd01ed
commit 7fcd9c3ecb
1 changed files with 2 additions and 1 deletions
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3
fs/ubifs/super.c
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@ -1976,7 +1976,8 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
err = bdi_init(&c->bdi);
if (err)
goto out_close;
err = bdi_register(&c->bdi, NULL, "ubifs");
err = bdi_register(&c->bdi, NULL, "ubifs_%d_%d",
c->vi.ubi_num, c->vi.vol_id);
if (err)
goto out_bdi;