btrfs: sysfs: export the balance paused state of exclusive operation

The new state allowing device addition with paused balance is not
exported to user space so it can't recognize it and actually start the
operation.

Fixes: 11a02b4fdf18 ("btrfs: introduce exclusive operation BALANCE_PAUSED state")
CC: stable@vger.kernel.org # 5.17
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 17389a42a3ab7214971f6f02c3883c8caef31cb0..ba78ca5aabbb251a3bccb36da094ef3866fa17f4 100644 (file)
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -922,6 +922,9 @@ static ssize_t btrfs_exclusive_operation_show(struct kobject *kobj,
                case BTRFS_EXCLOP_BALANCE:
                        str = "balance\n";
                        break;
+               case BTRFS_EXCLOP_BALANCE_PAUSED:
+                       str = "balance paused\n";
+                       break;
                case BTRFS_EXCLOP_DEV_ADD:
                        str = "device add\n";
                        break;