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Commit 23963e54 authored by Arkadiusz Mi?kiewicz's avatar Arkadiusz Mi?kiewicz Committed by Alex Elder
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xfs: Disallow 32bit project quota id 



Currently on-disk structure is able to keep only 16bit project quota
id, so disallow 32bit ones. This fixes a problem where parts of
kernel structures holding project quota id are 32bit while parts
(on-disk) are 16bit variables which causes project quota member
files to be inaccessible for some operations (like mv/rm).

Signed-off-by: default avatarArkadiusz Mi?kiewicz <arekm@maven.pl>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAlex Elder <aelder@sgi.com>
parent 2bfc96a1

fs/xfs/linux-2.6/xfs_ioctl.c

+7 −0
Original line number Diff line number Diff line
@@ -906,6 +906,13 @@ xfs_ioctl_setattr( 
	if (XFS_FORCED_SHUTDOWN(mp))

		return XFS_ERROR(EIO);



	/*

	 * Disallow 32bit project ids because on-disk structure

	 * is 16bit only.

	 */

	if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1))

		return XFS_ERROR(EINVAL);



	/*

	 * If disk quotas is on, we make sure that the dquots do exist on disk,

	 * before we start any other transactions. Trying to do this later