Re: [PATCH 0/6] netfs, cachefiles: More additional patches

From: Jeff Layton
Date: Tue Jan 09 2024 - 13:37:30 EST


On Tue, 2024-01-09 at 11:20 +0000, David Howells wrote:
> 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@xxxxxxxxxx/ # v1
> Link: https://lore.kernel.org/r/20231117211544.1740466-1-dhowells@xxxxxxxxxx/ # v2
> Link: https://lore.kernel.org/r/20231207212206.1379128-1-dhowells@xxxxxxxxxx/ # v3
> Link: https://lore.kernel.org/r/20231213152350.431591-1-dhowells@xxxxxxxxxx/ # v4
> Link: https://lore.kernel.org/r/20231221132400.1601991-1-dhowells@xxxxxxxxxx/ # v5
> Link: https://lore.kernel.org/r/20240103145935.384404-1-dhowells@xxxxxxxxxx/ # 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(-)
>

These all look fine to me. You can add:

Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>