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

commit 3e1ad196385c65c1454aceab1226d9a4baca27d5 upstream.

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: efc0e69c2fea ("btrfs: introduce exclusive operation BALANCE_PAUSED state")
CC: stable@vger.kernel.org # 5.17
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index beb7f72d50b86871dabda18e50a45b79bd944e40..11927d440f11a58d37b7727cd59bbc535099cf7c 100644 (file)
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -919,6 +919,9 @@ 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;