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From: David Sterba <dsterba@suse.cz>
To: Nikolay Borisov <nborisov@suse.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v2 05/12] btrfs: Populate ->orig_block_len during read_one_chunk
Date: Thu, 28 Feb 2019 17:53:10 +0100
Message-ID: <20190228165310.GN31119@twin.jikos.cz> (raw)
In-Reply-To: <20190211083510.27591-6-nborisov@suse.com>

On Mon, Feb 11, 2019 at 10:35:03AM +0200, Nikolay Borisov wrote:
> Chunks read from disk currently don't get their ->orig_block_len member
> set, in contrast when a new chunk is allocated, the respective
> extent_map's ->orig_block_len is assigned the size of the stripe of this
> chunk. Let's apply the same strategy for chunks which are read from
> disk, not only does this codify the invariant that ->orig_block_len
> always contains the size of the stripe for a chunk (when the em belongs
> to the mapping tree). But it's also a preparatory patch for further work
> around tracking chunk allocation in an extent tree rather than
> pinned/pending lists.
> 
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>

Reviewed-by: David Sterba <dsterba@suse.com>

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-11  8:34 [PATCH v2 00/12] FITRIM improvements Nikolay Borisov
2019-02-11  8:34 ` [PATCH v2 01/12] btrfs: Honour FITRIM range constraints during free space trim Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 02/12] btrfs: combine device update operations during transaction commit Nikolay Borisov
2019-02-28 16:52   ` David Sterba
2019-02-11  8:35 ` [PATCH v2 03/12] btrfs: Handle pending/pinned chunks before blockgroup relocation during device shrink Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 04/12] btrfs: Rename and export clear_btree_io_tree Nikolay Borisov
2019-02-28 16:53   ` David Sterba
2019-02-11  8:35 ` [PATCH v2 05/12] btrfs: Populate ->orig_block_len during read_one_chunk Nikolay Borisov
2019-02-28 16:53   ` David Sterba [this message]
2019-02-11  8:35 ` [PATCH v2 06/12] btrfs: Introduce new bits for device allocation tree Nikolay Borisov
2019-02-28 16:57   ` David Sterba
2019-02-11  8:35 ` [PATCH v2 07/12] btrfs: replace pending/pinned chunks lists with io tree Nikolay Borisov
2019-02-12 14:13   ` [PATCH] btrfs: Transpose btrfs_close_devices/btrfs_mapping_tree_free in close_ctree Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 08/12] btrfs: Remove 'trans' argument from find_free_dev_extent(_start) Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 09/12] btrfs: Factor out in_range macro Nikolay Borisov
2019-02-28 18:00   ` David Sterba
2019-02-11  8:35 ` [PATCH v2 10/12] btrfs: Optimize unallocated chunks discard Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 11/12] btrfs: Implement find_first_clear_extent_bit Nikolay Borisov
2019-02-11  8:35 ` [PATCH v2 12/12] btrfs: Switch btrfs_trim_free_extents to find_first_clear_extent_bit Nikolay Borisov

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