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rbd: call rbd_dev_mapping_set() from rbd_dev_image_probe()
Snapshot object map will be loaded in rbd_dev_image_probe(), so we need to know snapshot's size (as opposed to HEAD's size) sooner. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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1 changed files with 6 additions and 8 deletions
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@ -6018,6 +6018,7 @@ static void rbd_dev_unprobe(struct rbd_device *rbd_dev)
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struct rbd_image_header *header;
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rbd_dev_parent_put(rbd_dev);
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rbd_dev_mapping_clear(rbd_dev);
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/* Free dynamic fields from the header, then zero it out */
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@ -6118,7 +6119,6 @@ static int rbd_dev_probe_parent(struct rbd_device *rbd_dev, int depth)
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static void rbd_dev_device_release(struct rbd_device *rbd_dev)
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{
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clear_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags);
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rbd_dev_mapping_clear(rbd_dev);
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rbd_free_disk(rbd_dev);
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if (!single_major)
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unregister_blkdev(rbd_dev->major, rbd_dev->name);
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@ -6152,23 +6152,17 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev)
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if (ret)
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goto err_out_blkdev;
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ret = rbd_dev_mapping_set(rbd_dev);
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if (ret)
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goto err_out_disk;
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set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE);
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set_disk_ro(rbd_dev->disk, rbd_dev->opts->read_only);
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ret = dev_set_name(&rbd_dev->dev, "%d", rbd_dev->dev_id);
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if (ret)
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goto err_out_mapping;
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goto err_out_disk;
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set_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags);
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up_write(&rbd_dev->header_rwsem);
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return 0;
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err_out_mapping:
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rbd_dev_mapping_clear(rbd_dev);
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err_out_disk:
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rbd_free_disk(rbd_dev);
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err_out_blkdev:
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@ -6269,6 +6263,10 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
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goto err_out_probe;
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}
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ret = rbd_dev_mapping_set(rbd_dev);
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if (ret)
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goto err_out_probe;
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if (rbd_dev->header.features & RBD_FEATURE_LAYERING) {
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ret = rbd_dev_v2_parent_info(rbd_dev);
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if (ret)
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