Re: usbfs mount options doesn't work in 2.6, works fine with 2.4

From: OGAWA Hirofumi
Date: Thu Dec 11 2003 - 10:04:56 EST


OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> writes:

> Greg KH <greg@xxxxxxxxx> writes:
>
> > On Mon, Dec 08, 2003 at 05:59:10AM +0100, Stian Jordet wrote:
> > > http://bugzilla.kernel.org/show_bug.cgi?id=1418
> > > and
> > > http://www.ussg.iu.edu/hypermail/linux/kernel/0307.3/0666.html
> >
> > Yeah, it's a bug. I haven't had the time to track it down yet. Any
> > help with this would be greatly appreciated.
>
> I looked driver/usb/inode.c. usbfs use get_sb_single(), but doesn't
> implement ->remount_fs(). So options can pass the only first mount.
>
> And I guess, in this case, simple_pin_fs() in create_special_files()
> did the first mount, and simple_pin_fs() pass the usbfs_fill_super()
> to NULL.
>
> I think ->remount_fs() helps this. But I'm not sure, sorry.

Ah, ->remount_fs() is not enough for already created inode, even if I
was right.
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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