linux-kernel - [PATCH 0/6] netfs, cachefiles: More additional patches

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Date: Tue,  9 Jan 2024 11:20:17 +0000
From: David Howells <dhowells@...hat.com>
To: Christian Brauner <christian@...uner.io>,
	Jeff Layton <jlayton@...nel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Dominique Martinet <asmadeus@...ewreck.org>
Cc: David Howells <dhowells@...hat.com>,
	Steve French <smfrench@...il.com>,
	Matthew Wilcox <willy@...radead.org>,
	Marc Dionne <marc.dionne@...istor.com>,
	Paulo Alcantara <pc@...guebit.com>,
	Shyam Prasad N <sprasad@...rosoft.com>,
	Tom Talpey <tom@...pey.com>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Ilya Dryomov <idryomov@...il.com>,
	linux-cachefs@...hat.com,
	linux-afs@...ts.infradead.org,
	linux-cifs@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	ceph-devel@...r.kernel.org,
	v9fs@...ts.linux.dev,
	linux-erofs@...ts.ozlabs.org,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/6] netfs, cachefiles: More additional patches

Hi Christian, Jeff, Gao,

Here are some additional patches for my netfs-lib tree:

 (1) Mark netfs_unbuffered_write_iter_locked() static as it's only used in
     the file in which it is defined.

 (2) Display a counter for DIO writes in /proc/fs/netfs/stats.

 (3) Fix the interaction between write-streaming (dirty data in
     non-uptodate pages) and the culling of a cache file trying to write
     that to the cache.

 (4) Fix the loop that unmarks folios after writing to the cache.  The
     xarray iterator only advances the index by 1, so if we unmarked a
     multipage folio and that got split before we advance to the next
     folio, we see a repeat of a fragment of the folio.

 (5) Fix a mixup with signed/unsigned offsets when prepping for writing to
     the cache that leads to missing error detection.

 (6) Fix a wrong ifdef hiding a wait.

David

The netfslib postings:
Link: https://lore.kernel.org/r/20231013160423.2218093-1-dhowells@redhat.com/ # v1
Link: https://lore.kernel.org/r/20231117211544.1740466-1-dhowells@redhat.com/ # v2
Link: https://lore.kernel.org/r/20231207212206.1379128-1-dhowells@redhat.com/ # v3
Link: https://lore.kernel.org/r/20231213152350.431591-1-dhowells@redhat.com/ # v4
Link: https://lore.kernel.org/r/20231221132400.1601991-1-dhowells@redhat.com/ # v5
Link: https://lore.kernel.org/r/20240103145935.384404-1-dhowells@redhat.com/ # added patches

David Howells (6):
  netfs: Mark netfs_unbuffered_write_iter_locked() static
  netfs: Count DIO writes
  netfs: Fix interaction between write-streaming and cachefiles culling
  netfs: Fix the loop that unmarks folios after writing to the cache
  cachefiles: Fix signed/unsigned mixup
  netfs: Fix wrong #ifdef hiding wait

 fs/cachefiles/io.c            | 18 +++++++++---------
 fs/netfs/buffered_write.c     | 27 ++++++++++++++++++++++-----
 fs/netfs/direct_write.c       |  5 +++--
 fs/netfs/fscache_stats.c      |  9 ++++++---
 fs/netfs/internal.h           |  8 ++------
 fs/netfs/io.c                 |  2 +-
 fs/netfs/stats.c              | 13 +++++++++----
 include/linux/fscache-cache.h |  3 +++
 include/linux/netfs.h         |  1 +
 9 files changed, 56 insertions(+), 30 deletions(-)