From f5fdf1243fb750598b46305dd03c553949cfa14f Mon Sep 17 00:00:00 2001 From: Murphy Zhou Date: Fri, 14 Feb 2020 22:34:09 +0800 Subject: NFSv4.2: error out when relink swapfile This fixes xfstests generic/356 failure on NFSv4.2. Signed-off-by: Murphy Zhou Signed-off-by: Trond Myklebust --- fs/nfs/nfs4file.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/nfs/nfs4file.c') diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 1297919e0fce..8e5d6223ddd3 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) { -- cgit