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-rw-r--r--fs/btrfs/volumes.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 635f45f1a2ef..796e9f5ff8f8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -641,6 +641,9 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices,
if (!bdev_nonrot(bdev))
fs_devices->rotating = true;
+ if (bdev_max_discard_sectors(bdev))
+ fs_devices->discardable = true;
+
device->bdev = bdev;
clear_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);
device->mode = flags;