[13/13] xfs: flag as supporting FOP_UNCACHED

Message ID	20241108174505.1214230-14-axboe@kernel.dk (mailing list archive)
State	New
Headers	show Return-Path: <owner-linux-mm@kvack.org> From: Jens Axboe <axboe@kernel.dk> To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Cc: hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk> Subject: [PATCH 13/13] xfs: flag as supporting FOP_UNCACHED Date: Fri, 8 Nov 2024 10:43:36 -0700 Message-ID: <20241108174505.1214230-14-axboe@kernel.dk> In-Reply-To: <20241108174505.1214230-1-axboe@kernel.dk> References: <20241108174505.1214230-1-axboe@kernel.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	[01/13] mm/filemap: change filemap_create_folio() to take a struct kiocb \| expand [01/13] mm/filemap: change filemap_create_folio() to take a struct kiocb [02/13] mm/readahead: add folio allocation helper [03/13] mm: add PG_uncached page flag [04/13] mm/readahead: add readahead_control->uncached member [05/13] mm/filemap: use page_cache_sync_ra() to kick off read-ahead [06/13] mm/truncate: make invalidate_complete_folio2() public [07/13] fs: add FOP_UNCACHED flag [08/13] fs: add read support for RWF_UNCACHED [09/13] mm: drop uncached pages when writeback completes [10/13] mm/filemap: make buffered writes work with RWF_UNCACHED [11/13] iomap: make buffered writes work with RWF_UNCACHED [12/13] ext4: flag as supporting FOP_UNCACHED [13/13] xfs: flag as supporting FOP_UNCACHED

Message ID

20241108174505.1214230-14-axboe@kernel.dk (mailing list archive)

State

New

Headers

From: Jens Axboe <axboe@kernel.dk>
To: linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org
Cc: hannes@cmpxchg.org,
	clm@meta.com,
	linux-kernel@vger.kernel.org,
	Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 13/13] xfs: flag as supporting FOP_UNCACHED
Date: Fri,  8 Nov 2024 10:43:36 -0700
Message-ID: <20241108174505.1214230-14-axboe@kernel.dk>
In-Reply-To: <20241108174505.1214230-1-axboe@kernel.dk>
References: <20241108174505.1214230-1-axboe@kernel.dk>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: owner-linux-mm@kvack.org
Precedence: bulk

Series

[01/13] mm/filemap: change filemap_create_folio() to take a struct kiocb | expand

Commit Message

Jens Axboe Nov. 8, 2024, 5:43 p.m. UTC

iomap supports uncached IO, enable the use of RWF_UNCACHED with XFS by
flagging support with FOP_UNCACHED.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/xfs/xfs_file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index b19916b11fd5..4fe593896bc5 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1595,7 +1595,8 @@  const struct file_operations xfs_file_operations = {
 	.fadvise	= xfs_file_fadvise,
 	.remap_file_range = xfs_file_remap_range,
 	.fop_flags	= FOP_MMAP_SYNC | FOP_BUFFER_RASYNC |
-			  FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE,
+			  FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE |
+			  FOP_UNCACHED,
 };
 
 const struct file_operations xfs_dir_file_operations = {

[13/13] xfs: flag as supporting FOP_UNCACHED

Commit Message

Patch