btrfs: convert to using bdi_setup_and_register()
It's now a provided helper, so get rid of the internal setup and btrfs atomic_t bdi enumerator. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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5129a469a9
commit
e6d086d83c
fs/btrfs
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@ -44,8 +44,6 @@ static struct extent_io_ops btree_extent_io_ops;
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static void end_workqueue_fn(struct btrfs_work *work);
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static void end_workqueue_fn(struct btrfs_work *work);
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static void free_fs_root(struct btrfs_root *root);
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static void free_fs_root(struct btrfs_root *root);
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static atomic_t btrfs_bdi_num = ATOMIC_INIT(0);
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/*
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/*
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* end_io_wq structs are used to do processing in task context when an IO is
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* end_io_wq structs are used to do processing in task context when an IO is
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* complete. This is used during reads to verify checksums, and it is used
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* complete. This is used during reads to verify checksums, and it is used
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@ -1375,19 +1373,11 @@ static int setup_bdi(struct btrfs_fs_info *info, struct backing_dev_info *bdi)
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{
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{
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int err;
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int err;
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bdi->name = "btrfs";
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bdi->capabilities = BDI_CAP_MAP_COPY;
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bdi->capabilities = BDI_CAP_MAP_COPY;
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err = bdi_init(bdi);
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err = bdi_setup_and_register(bdi, "btrfs", BDI_CAP_MAP_COPY);
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if (err)
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if (err)
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return err;
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return err;
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err = bdi_register(bdi, NULL, "btrfs-%d",
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atomic_inc_return(&btrfs_bdi_num));
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if (err) {
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bdi_destroy(bdi);
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return err;
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}
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bdi->ra_pages = default_backing_dev_info.ra_pages;
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bdi->ra_pages = default_backing_dev_info.ra_pages;
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bdi->unplug_io_fn = btrfs_unplug_io_fn;
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bdi->unplug_io_fn = btrfs_unplug_io_fn;
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bdi->unplug_io_data = info;
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bdi->unplug_io_data = info;
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