Commit f5fdf124 authored by Murphy Zhou's avatar Murphy Zhou Committed by Trond Myklebust
Browse files

NFSv4.2: error out when relink swapfile 



This fixes xfstests generic/356 failure on NFSv4.2.

Signed-off-by: default avatarMurphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent eb095c14

fs/nfs/nfs4file.c

+3 −0
Original line number Diff line number Diff line
@@ -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) {

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