| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.6 036/129] NFSv4.2: error out when relink swapfile | Date | Wed, 15 Apr 2020 07:33:11 -0400 |
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From: Murphy Zhou <jencce.kernel@gmail.com>
[ Upstream commit f5fdf1243fb750598b46305dd03c553949cfa14f ]
This fixes xfstests generic/356 failure on NFSv4.2.
Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/nfs/nfs4file.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 1297919e0fce3..8e5d6223ddd35 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -252,6 +252,9 @@ static loff_t nfs42_remap_file_range(struct file *src_file, loff_t src_off, if (remap_flags & ~REMAP_FILE_ADVISORY) return -EINVAL; + if (IS_SWAPFILE(dst_inode) || IS_SWAPFILE(src_inode)) + return -ETXTBSY; + /* check alignment w.r.t. clone_blksize */ ret = -EINVAL; if (bs) { -- 2.20.1
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