>From ceedc36b1c99c25ebb55c88f6ab059347b52f4ec Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 24 Sep 2014 10:18:25 +0200 Subject: [PATCH] xfs: Fix mmap data corruption Signed-off-by: Jan Kara --- fs/xfs/xfs_iops.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 72129493e9d3..19ce64bfb4f7 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -848,6 +848,8 @@ xfs_setattr_size( if (error) return error; truncate_setsize(inode, newsize); + if (oldsize < newsize) + block_create_hole(inode, oldsize, newsize); tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE); error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); -- 1.8.1.4