From: David Sterba <dsterba@suse.cz>
To: fdmanana@kernel.org
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 0/8] btrfs: some speedups around nowait dio
Date: Fri, 25 Mar 2022 21:34:44 +0100 [thread overview]
Message-ID: <20220325203443.GN2237@twin.jikos.cz> (raw)
In-Reply-To: <cover.1648051582.git.fdmanana@suse.com>
On Wed, Mar 23, 2022 at 04:19:22PM +0000, fdmanana@kernel.org wrote:
> From: Filipe Manana <fdmanana@suse.com>
>
> This patchset makes our direct IO code behave better for NOWAIT writes,
> avoiding blocking in several places for potentially long periods due to
> waits for IO. It also removes running the same nocow checks twice (which
> can be expensive) and doing extra path allocations. The last patch in
> the series has a test and the results I got before and after applying
> this patchset.
>
> Filipe Manana (8):
> btrfs: avoid blocking on page locks with nowait dio on compressed range
> btrfs: avoid blocking nowait dio when locking file range
> btrfs: avoid double nocow check when doing nowait dio writes
> btrfs: stop allocating a path when checking if cross reference exists
> btrfs: free path at can_nocow_extent() before checking for checksum items
> btrfs: release path earlier at can_nocow_extent()
> btrfs: avoid blocking when allocating context for nowait dio read/write
> btrfs: avoid blocking on space revervation when doing nowait dio writes
Added to misc-next, thanks.
prev parent reply other threads:[~2022-03-25 20:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-23 16:19 [PATCH 0/8] btrfs: some speedups around nowait dio fdmanana
2022-03-23 16:19 ` [PATCH 1/8] btrfs: avoid blocking on page locks with nowait dio on compressed range fdmanana
2022-03-23 16:19 ` [PATCH 2/8] btrfs: avoid blocking nowait dio when locking file range fdmanana
2022-03-23 16:19 ` [PATCH 3/8] btrfs: avoid double nocow check when doing nowait dio writes fdmanana
2022-03-23 16:19 ` [PATCH 4/8] btrfs: stop allocating a path when checking if cross reference exists fdmanana
2022-03-23 16:19 ` [PATCH 5/8] btrfs: free path at can_nocow_extent() before checking for checksum items fdmanana
2022-03-23 16:19 ` [PATCH 6/8] btrfs: release path earlier at can_nocow_extent() fdmanana
2022-03-23 16:19 ` [PATCH 7/8] btrfs: avoid blocking when allocating context for nowait dio read/write fdmanana
2022-03-23 16:19 ` [PATCH 8/8] btrfs: avoid blocking on space revervation when doing nowait dio writes fdmanana
2022-03-25 20:34 ` David Sterba [this message]
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