From ceedc36b1c99c25ebb55c88f6ab059347b52f4ec Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Wed, 24 Sep 2014 10:18:25 +0200
Subject: [PATCH] xfs: Fix mmap data corruption
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/xfs/xfs_iops.c | 2 ++
1 file changed, 2 insertions(+)
@@ -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