From: Brian Foster <bfoster@redhat.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH 0/2] xfs: don't drain buffer lru on freeze
Date: Thu, 10 Dec 2020 09:46:05 -0500 [thread overview]
Message-ID: <20201210144607.1922026-1-bfoster@redhat.com> (raw)
Hi all,
This series tweaks the xfs_log_quiesce() codepath to lift out the
explicit buffer target LRU draining and isolate it to the unmount path.
It's unnecessary to reclaim all buffers on filesystem freeze or
read-only remount, and this also causes such operations to stall if a
read heavy workload is running in parallel.
Patch 1 is a simple rename and patch 2 implements the functional change.
Thoughts, reviews, flames appreciated.
Brian
Brian Foster (2):
xfs: rename xfs_wait_buftarg() to xfs_buftarg_drain()
xfs: don't drain buffer lru on freeze and read-only remount
fs/xfs/xfs_buf.c | 30 ++++++++++++++++++++----------
fs/xfs/xfs_buf.h | 11 ++++++-----
fs/xfs/xfs_log.c | 8 +++++---
fs/xfs/xfs_mount.c | 4 ++--
fs/xfs/xfs_trace.h | 2 +-
5 files changed, 34 insertions(+), 21 deletions(-)
--
2.26.2
next reply other threads:[~2020-12-10 15:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-10 14:46 Brian Foster [this message]
2020-12-10 14:46 ` [PATCH 1/2] xfs: rename xfs_wait_buftarg() to xfs_buftarg_drain() Brian Foster
2020-12-11 9:22 ` Chandan Babu R
2021-02-02 20:23 ` Darrick J. Wong
2020-12-10 14:46 ` [PATCH 2/2] xfs: don't drain buffer lru on freeze and read-only remount Brian Foster
2020-12-11 9:28 ` Chandan Babu R
2020-12-11 13:42 ` Brian Foster
2021-02-02 20:24 ` Darrick J. Wong
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