From: Olga Kornievskaia <aglo@umich.edu>
To: Trond Myklebust <trondmy@gmail.com>
Cc: linux-nfs <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 00/19] Layoutget on OPEN
Date: Wed, 30 May 2018 14:25:46 -0400 [thread overview]
Message-ID: <CAN-5tyExDWpWuZ5_EwTHbxPbr+FC9jg4zB_Y2pdAHKmX2mDPsQ@mail.gmail.com> (raw)
In-Reply-To: <20180530180553.38769-1-trond.myklebust@hammerspace.com>
Hi Trond,
Do you by any chance have this patch set somewhere in your git
branches? I'd like to test this against NetApp.
Thank you.
On Wed, May 30, 2018 at 2:05 PM, Trond Myklebust <trondmy@gmail.com> wrote:
> This patchset is something we've been sitting on for a couple of years
> in order to allow it to mature. It was mainly developed by Fred Isaman
> while he was working for Primary Data, but we've had a few bugfixes
> come in since then.
> The main reason for delaying the upstream merge was to ensure that
> adding layoutget to the OPEN compound was safe (does not cause existing
> layouts to be automatically revoked) and that it gives us a real
> performance benefit.
>
> Fred Isaman (14):
> pnfs: Remove redundant assignment from nfs4_proc_layoutget().
> pnfs: Store return value of decode_layoutget for later processing
> NFS4: move ctx into nfs4_run_open_task
> pnfs: Add layout driver flag PNFS_LAYOUTGET_ON_OPEN
> pnfs: refactor send_layoutget
> pnfs: move allocations out of nfs4_proc_layoutget
> pnfs: Add conditional encode/decode of LAYOUTGET within OPEN compound
> pnfs: Move nfs4_opendata into nfs4_fs.h
> pnfs: Change pnfs_alloc_init_layoutget_args call signature
> pnfs: Add LAYOUTGET to OPEN of a new file
> pnfs: Add LAYOUTGET to OPEN of an existing file
> pnfs: Stop attempting LAYOUTGET on OPEN on failure
> pnfs: Add barrier to prevent lgopen using LAYOUTGET during recall
> pnfs: Fix manipulation of NFS_LAYOUT_FIRST_LAYOUTGET
>
> Trond Myklebust (5):
> NFSv4/pnfs: Ensure pnfs_parse_lgopen() won't try to parse
> uninitialised data
> NFSv4/pnfs: Don't switch off layoutget-on-open for transient errors
> pNFS: Don't send LAYOUTGET on OPEN for read, if we already have cached
> data
> pnfs: Don't call commit on failed layoutget-on-open
> pnfs: Don't release the sequence slot until we've processed layoutget
> on open
>
> fs/nfs/callback_proc.c | 2 +
> fs/nfs/flexfilelayout/flexfilelayout.c | 1 +
> fs/nfs/nfs4_fs.h | 25 +++
> fs/nfs/nfs4proc.c | 97 +++++----
> fs/nfs/nfs4state.c | 8 +
> fs/nfs/nfs4xdr.c | 65 +++++-
> fs/nfs/pnfs.c | 266 +++++++++++++++++++++----
> fs/nfs/pnfs.h | 28 ++-
> include/linux/nfs_fs_sb.h | 2 +
> include/linux/nfs_xdr.h | 4 +
> 10 files changed, 398 insertions(+), 100 deletions(-)
>
> --
> 2.17.0
>
> --
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next prev parent reply other threads:[~2018-05-30 18:25 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-30 18:05 [PATCH 00/19] Layoutget on OPEN Trond Myklebust
2018-05-30 18:05 ` [PATCH 01/19] pnfs: Remove redundant assignment from nfs4_proc_layoutget() Trond Myklebust
2018-05-30 18:05 ` [PATCH 02/19] pnfs: Store return value of decode_layoutget for later processing Trond Myklebust
2018-05-30 18:05 ` [PATCH 03/19] NFS4: move ctx into nfs4_run_open_task Trond Myklebust
2018-05-30 18:05 ` [PATCH 04/19] pnfs: Add layout driver flag PNFS_LAYOUTGET_ON_OPEN Trond Myklebust
2018-05-30 18:05 ` [PATCH 05/19] pnfs: refactor send_layoutget Trond Myklebust
2018-05-30 18:05 ` [PATCH 06/19] pnfs: move allocations out of nfs4_proc_layoutget Trond Myklebust
2018-05-30 18:05 ` [PATCH 07/19] pnfs: Add conditional encode/decode of LAYOUTGET within OPEN compound Trond Myklebust
2018-05-30 18:05 ` [PATCH 08/19] pnfs: Move nfs4_opendata into nfs4_fs.h Trond Myklebust
2018-05-30 18:05 ` [PATCH 09/19] pnfs: Change pnfs_alloc_init_layoutget_args call signature Trond Myklebust
2018-05-30 18:05 ` [PATCH 10/19] pnfs: Add LAYOUTGET to OPEN of a new file Trond Myklebust
2018-05-30 18:05 ` [PATCH 11/19] pnfs: Add LAYOUTGET to OPEN of an existing file Trond Myklebust
2018-05-30 18:05 ` [PATCH 12/19] pnfs: Stop attempting LAYOUTGET on OPEN on failure Trond Myklebust
2018-05-30 18:05 ` [PATCH 13/19] pnfs: Add barrier to prevent lgopen using LAYOUTGET during recall Trond Myklebust
2018-05-30 18:05 ` [PATCH 14/19] pnfs: Fix manipulation of NFS_LAYOUT_FIRST_LAYOUTGET Trond Myklebust
2018-05-30 18:05 ` [PATCH 15/19] NFSv4/pnfs: Ensure pnfs_parse_lgopen() won't try to parse uninitialised data Trond Myklebust
2018-05-30 18:05 ` [PATCH 16/19] NFSv4/pnfs: Don't switch off layoutget-on-open for transient errors Trond Myklebust
2018-05-30 18:05 ` [PATCH 17/19] pNFS: Don't send LAYOUTGET on OPEN for read, if we already have cached data Trond Myklebust
2018-05-30 18:05 ` [PATCH 18/19] pnfs: Don't call commit on failed layoutget-on-open Trond Myklebust
2018-05-30 18:05 ` [PATCH 19/19] pnfs: Don't release the sequence slot until we've processed layoutget on open Trond Myklebust
2018-05-30 20:10 ` [PATCH 04/19] pnfs: Add layout driver flag PNFS_LAYOUTGET_ON_OPEN Olga Kornievskaia
2018-05-31 12:40 ` Trond Myklebust
2019-09-06 20:17 ` Olga Kornievskaia
2018-05-30 18:25 ` Olga Kornievskaia [this message]
2018-05-30 18:36 ` [PATCH 00/19] Layoutget on OPEN Trond Myklebust
2018-05-30 18:37 ` Olga Kornievskaia
2018-05-30 19:27 ` Olga Kornievskaia
2018-05-30 19:29 ` Olga Kornievskaia
2018-05-30 19:47 ` Olga Kornievskaia
2018-05-30 22:33 ` Trond Myklebust
2018-05-31 18:59 ` J. Bruce Fields
2018-06-01 0:28 ` Trond Myklebust
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