Commit 742d8429 authored Aug 30, 2017 by Christoph Hellwig Committed by Darrick J. Wong Sep 01, 2017

xfs: disable per-inode DAX flag



Currently flag switching can be used to easily crash the kernel.  Disable
the per-inode DAX flag until that is sorted out.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

parent 8bfadd8d

fs/xfs/xfs_ioctl.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1008,11 +1008,12 @@ xfs_diflags_to_linux(
		inode->i_flags \|= S_NOATIME;
		else
		inode->i_flags &= ~S_NOATIME;
		#if 0 /* disabled until the flag switching races are sorted out */
		if (xflags & FS_XFLAG_DAX)
		inode->i_flags \|= S_DAX;
		else
		inode->i_flags &= ~S_DAX;

		#endif
		}

		static int