Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...

[cascardo/linux.git] / fs / btrfs / volumes.c

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index bb0addc..035efce 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -834,10 +834,6 @@ static void __free_device(struct work_struct *work)
        struct btrfs_device *device;
 
        device = container_of(work, struct btrfs_device, rcu_work);
-
-       if (device->bdev)
-               blkdev_put(device->bdev, device->mode);
-
        rcu_string_free(device->name);
        kfree(device);
 }
@@ -852,6 +848,17 @@ static void free_device(struct rcu_head *head)
        schedule_work(&device->rcu_work);
 }
 
+static void btrfs_close_bdev(struct btrfs_device *device)
+{
+       if (device->bdev && device->writeable) {
+               sync_blockdev(device->bdev);
+               invalidate_bdev(device->bdev);
+       }
+
+       if (device->bdev)
+               blkdev_put(device->bdev, device->mode);
+}
+
 static void btrfs_close_one_device(struct btrfs_device *device)
 {
        struct btrfs_fs_devices *fs_devices = device->fs_devices;
@@ -870,10 +877,7 @@ static void btrfs_close_one_device(struct btrfs_device *device)
        if (device->missing)
                fs_devices->missing_devices--;
 
-       if (device->bdev && device->writeable) {
-               sync_blockdev(device->bdev);
-               invalidate_bdev(device->bdev);
-       }
+       btrfs_close_bdev(device);
 
        new_device = btrfs_alloc_device(NULL, &device->devid,
                                        device->uuid);
@@ -1932,6 +1936,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid)
                btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device);
        }
 
+       btrfs_close_bdev(device);
+
        call_rcu(&device->rcu, free_device);
 
        num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1;
@@ -2025,6 +2031,9 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,
                /* zero out the old super if it is writable */
                btrfs_scratch_superblocks(srcdev->bdev, srcdev->name->str);
        }
+
+       btrfs_close_bdev(srcdev);
+
        call_rcu(&srcdev->rcu, free_device);
 
        /*
@@ -2080,6 +2089,8 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
         * the device_list_mutex lock.
         */
        btrfs_scratch_superblocks(tgtdev->bdev, tgtdev->name->str);
+
+       btrfs_close_bdev(tgtdev);
        call_rcu(&tgtdev->rcu, free_device);
 }
 
@@ -6012,7 +6023,7 @@ static void btrfs_end_bio(struct bio *bio)
                                else
                                        btrfs_dev_stat_inc(dev,
                                                BTRFS_DEV_STAT_READ_ERRS);
-                               if ((bio->bi_rw & WRITE_FLUSH) == WRITE_FLUSH)
+                               if ((bio->bi_opf & WRITE_FLUSH) == WRITE_FLUSH)
                                        btrfs_dev_stat_inc(dev,
                                                BTRFS_DEV_STAT_FLUSH_ERRS);
                                btrfs_dev_stat_print_on_error(dev);
@@ -6089,7 +6100,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root,
        bio->bi_next = NULL;
 
        spin_lock(&device->io_lock);
-       if (bio->bi_rw & REQ_SYNC)
+       if (bio->bi_opf & REQ_SYNC)
                pending_bios = &device->pending_sync_bios;
        else
                pending_bios = &device->pending_bios;
@@ -6127,7 +6138,7 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio,
                rcu_read_lock();
                name = rcu_dereference(dev->name);
                pr_debug("btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu "
-                        "(%s id %llu), size=%u\n", bio_op(bio), bio->bi_rw,
+                        "(%s id %llu), size=%u\n", bio_op(bio), bio->bi_opf,
                         (u64)bio->bi_iter.bi_sector, (u_long)dev->bdev->bd_dev,
                         name->str, dev->devid, bio->bi_iter.bi_size);
                rcu_read_unlock();