Re: [PATCH] UBIFS: Add /dev/ubiX_Y naming scheme in open_ubi

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On 09/28/2009 02:53 PM, Corentin Chary wrote:
+     if (!strncmp("/dev/", name, 5))
+             name = name + 5;
+
       if (name[0] != 'u' || name[1] != 'b' || name[2] != 'i')
               return ERR_PTR(-EINVAL);

But UBI volume may have arbitrary names. Could we invent something
better?


Using name and kern_path we can find the corresponding inode (and
major/minor informations).
ubi_open_volume use ubi_num and vol_id.
vol_id is minor()-1, but major is not related to ubi_num.

UBI have a "ubi_major2num" internally, is it ok to export this symbol ?

Then we could do something like
ubi_open_volume(ubi_major2num(major()), minor()-1)

Sounds good.

--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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