From: Christoph Hellwig <hch@lst.de>
Date: Mon, 18 Aug 2025 05:06:45 +0000 (+0200)
Subject: xfs: reject swapon for inodes on a zoned file system earlier
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8e5a2441e18640fb22a25fd097368957bf5cab91;p=users%2Fjedix%2Flinux-maple.git

xfs: reject swapon for inodes on a zoned file system earlier

No point in going down into the iomap mapping loop when we know it
will be rejected.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
---

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 1ee4f835ac3c3..a26f798155331 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -760,6 +760,9 @@ xfs_vm_swap_activate(
 {
 	struct xfs_inode		*ip = XFS_I(file_inode(swap_file));
 
+	if (xfs_is_zoned_inode(ip))
+		return -EINVAL;
+
 	/*
 	 * Swap file activation can race against concurrent shared extent
 	 * removal in files that have been cloned.  If this happens,