From: David Sterba <dsterba@suse.cz>
To: Nikolay Borisov <nborisov@suse.com>
Cc: Qu Wenruo <wqu@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v2 3/4] btrfs: introduce btrfs_subpage_bitmap_info
Date: Mon, 23 Aug 2021 18:45:40 +0200 [thread overview]
Message-ID: <20210823164540.GG5047@twin.jikos.cz> (raw)
In-Reply-To: <7b9c1c27-1938-4702-e6b2-db5a840f7a84@suse.com>
On Tue, Aug 17, 2021 at 01:11:43PM +0300, Nikolay Borisov wrote:
> > +/*
> > + * Extra info for subpapge bitmap.
> > + *
> > + * For subpage we pack all uptodate/error/dirty/writeback/ordered
> > + * bitmaps into one larger bitmap.
> > + *
> > + * This structure records how they are organized in such bitmap:
> > + *
> > + * /- uptodate_offset /- error_offset /- dirty_offset
> > + * | | |
> > + * v v v
> > + * |u|u|u|u|........|u|u|e|e|.......|e|e| ... |o|o|
>
> nit: the 'e' that the dirty offset is pointing to should be a 'd', I'm
> sure David can fix this while merging.
I don't see any 'e' under the dirty offset arrow, there's just 'o' and
the arrow points to end of |e|e| and continues with ...
next prev parent reply other threads:[~2021-08-23 16:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-17 9:38 [PATCH v2 0/2] btrfs: subpage: pack all subpage bitmaps into a larger bitmap Qu Wenruo
2021-08-17 9:38 ` [PATCH v2 1/4] btrfs: only call btrfs_alloc_subpage() when sectorsize is smaller than PAGE_SIZE Qu Wenruo
2021-08-17 9:38 ` [PATCH v2 2/4] btrfs: make btrfs_alloc_subpage() to return struct btrfs_subpage * directly Qu Wenruo
2021-08-17 9:38 ` [PATCH v2 3/4] btrfs: introduce btrfs_subpage_bitmap_info Qu Wenruo
2021-08-17 10:11 ` Nikolay Borisov
2021-08-23 16:45 ` David Sterba [this message]
2021-08-30 14:28 ` Nikolay Borisov
2021-08-23 16:41 ` David Sterba
2021-08-23 23:15 ` Qu Wenruo
2021-08-17 9:38 ` [PATCH v2 4/4] btrfs: subpage: pack all subpage bitmaps into a larger bitmap Qu Wenruo
2021-08-17 13:43 ` Nikolay Borisov
2021-08-23 17:00 ` David Sterba
2021-08-23 16:57 ` David Sterba
2021-08-23 23:16 ` Qu Wenruo
2021-08-24 14:20 ` David Sterba
2021-08-17 13:44 ` [PATCH v2 0/2] " Nikolay Borisov
2021-08-23 17:05 ` David Sterba
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