linux-ext4 - Re: Use EXT4_BOOT_LOADER_INO for boot loader GRUB?

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Message-ID: <5111BCCC.70709@ubuntu.com>
Date:	Tue, 05 Feb 2013 21:15:40 -0500
From:	Phillip Susi <psusi@...ntu.com>
To:	Theodore Ts'o <tytso@....edu>
CC:	"Dr. Tilmann Bubeck" <t.bubeck@...nform.de>,
	linux-ext4@...r.kernel.org
Subject: Re: Use EXT4_BOOT_LOADER_INO for boot loader GRUB?

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On 01/26/2013 01:49 PM, Theodore Ts'o wrote:
> What I'm thinking about is a new ioctl that would swap the i_block
> and i_blocks array of the BOOT_LOADER_INO and the file descriptor.
> That is, if there were any blocks attached to the boot_loader_ino,
> they would become attached to the inode associated with the file 
> descriptor, and the blocks associated with that inode would be 
> attached to inode #5.

Isn't that what the new defrag ioctl does already?  So you just need a
way to open the reserved and unnamed inode to call the ioctl on.


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