btrfs: fix comment in reserved space warning

mkfs.btrfs up to v4.14 actually can leave a chunk inside the reserved
space when invoked with `-m single`, fixed by 997f9977c24397eb6980bb9
("mkfs: Prevent temporary system chunk to use space in reserved 1M
range") released with v4.15.

Signed-off-by: Dan Johnson <ComputerDruid@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f475b4b7c45782345a53fb543b8db23509d02800..1535a425e8f9ac633c015fc7764edcef42090cb7 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7938,7 +7938,7 @@ static int verify_one_dev_extent(struct btrfs_fs_info *fs_info,
        }
 
        /*
-        * Very old mkfs.btrfs (before v4.1) will not respect the reserved
+        * Very old mkfs.btrfs (before v4.15) will not respect the reserved
         * space. Although kernel can handle it without problem, better to warn
         * the users.
         */