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

[Jeff Layton <jlayton@kernel.org>]

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@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(-)
> 

These all look fine to me. You can add:

Reviewed-by: Jeff Layton <jlayton@kernel.org>