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Commit 374e2ac3 authored by Eric Sandeen's avatar Eric Sandeen Committed by Nathan Scott
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[XFS] Prevent data corruption on extending truncate case from cxfs client 



SGI-PV: 942439
SGI-Modid: xfs-linux:xfs-kern:200152a

Signed-off-by: default avatarEric Sandeen <sandeen@sgi.com>
Signed-off-by: default avatarNathan Scott <nathans@sgi.com>
parent 4750ddb0

fs/xfs/xfs_vnodeops.c

+3 −1
Original line number Diff line number Diff line
@@ -626,8 +626,10 @@ xfs_setattr( 
	 */

	if (mask & XFS_AT_SIZE) {

		code = 0;

		if (vap->va_size > ip->i_d.di_size)

		if ((vap->va_size > ip->i_d.di_size) && 

		    (flags & ATTR_NOSIZETOK) == 0) {

			code = xfs_igrow_start(ip, vap->va_size, credp);

		}

		xfs_iunlock(ip, XFS_ILOCK_EXCL);

		if (!code)

			code = xfs_itruncate_data(ip, vap->va_size);