From: Omar Sandoval <osandov@osandov.com>
To: Nikolay Borisov <nborisov@suse.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 3/6] btrfs-progs: Pull free space tree related code from kernel
Date: Fri, 21 Sep 2018 13:19:18 -0700 [thread overview]
Message-ID: <20180921201918.GD31081@vader> (raw)
In-Reply-To: <1529060762-4372-4-git-send-email-nborisov@suse.com>
On Fri, Jun 15, 2018 at 02:05:59PM +0300, Nikolay Borisov wrote:
> To help implement free space tree checker in user space some kernel
> function are necessary, namely iterating/deleting/adding freespace
> items, some internal search functions. Functions to populate a block
> group based on the extent tree. The code is largely copy/paste from
> the kernel with locking eliminated (i.e free_space_lock). It supports
> reading/writing of both bitmap and extent based FST trees.
>
> Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Why doesn't this include the bitmap <-> extent conversions? If we end up
rebuilding the free space tree, we're never going to use the bitmap
format, which sucks if the free space is fragmented.
next prev parent reply other threads:[~2018-09-22 2:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-15 11:05 [PATCH 0/6] Freespace tree repair support Nikolay Borisov
2018-06-15 11:05 ` [PATCH 1/6] btrfs-progs: Add support for freespace tree in btrfs_read_fs_root Nikolay Borisov
2018-09-21 19:50 ` Omar Sandoval
2018-06-15 11:05 ` [PATCH 2/6] btrfs-progs: Add extent buffer bitmap manipulation infrastructure Nikolay Borisov
2018-09-21 20:08 ` Omar Sandoval
2018-06-15 11:05 ` [PATCH 3/6] btrfs-progs: Pull free space tree related code from kernel Nikolay Borisov
2018-09-21 20:19 ` Omar Sandoval [this message]
2018-09-21 20:38 ` Nikolay Borisov
2018-06-15 11:06 ` [PATCH 4/6] btrfs-progs: Add freespace tree as compat_ro supported feature Nikolay Borisov
2018-09-21 20:39 ` Omar Sandoval
2018-06-15 11:06 ` [PATCH 5/6] btrfs-progs: check: Add support for freespace tree fixing Nikolay Borisov
2018-09-21 20:42 ` Omar Sandoval
2018-06-15 11:06 ` [PATCH 6/6] btrfs-progs: tests: Test for FST corruption detection/repair Nikolay Borisov
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