From: Ojaswin Mujoo <ojaswin@linux.ibm.com>
To: Christian Brauner <brauner@kernel.org>,
djwong@kernel.org, ritesh.list@gmail.com,
john.g.garry@oracle.com, tytso@mit.edu, willy@infradead.org,
dchinner@redhat.com, hch@lst.de
Cc: linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, jack@suse.cz, nilay@linux.ibm.com,
martin.petersen@oracle.com, rostedt@goodmis.org, axboe@kernel.dk,
linux-block@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: [RFC PATCH 8/8] xfs: Lift the bs == ps restriction for HW buffered atomic writes
Date: Wed, 12 Nov 2025 16:36:11 +0530 [thread overview]
Message-ID: <0f1f53d6fad8c25118b0348b0cb91dc2e4ecf456.1762945505.git.ojaswin@linux.ibm.com> (raw)
In-Reply-To: <cover.1762945505.git.ojaswin@linux.ibm.com>
Now that we support bs < ps for HW atomic writes, lift this restirction from XFS
statx reporting
Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
fs/xfs/xfs_iops.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 67d370947d95..5bd31aacf514 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -622,10 +622,9 @@ xfs_get_atomic_write_min(
return bs;
}
/*
- * Buffered IO only supports hw single block atomic writes and bs == ps
- * configurations.
+ * Buffered IO only supports hw single block atomic writes
*/
- if (xfs_inode_can_hw_atomic_write(ip) && bs == PAGE_SIZE)
+ if (xfs_inode_can_hw_atomic_write(ip))
return bs;
return 0;
@@ -661,10 +660,9 @@ xfs_get_atomic_write_max(
return XFS_FSB_TO_B(mp, mp->m_groups[XG_TYPE_AG].awu_max);
}
/*
- * Buffered IO only supports hw single block atomic writes and bs == ps
- * configurations.
+ * Buffered IO only supports hw single block atomic writes
*/
- if (xfs_inode_can_hw_atomic_write(ip) && bs == PAGE_SIZE)
+ if (xfs_inode_can_hw_atomic_write(ip))
return bs;
return 0;
--
2.51.0
next prev parent reply other threads:[~2025-11-12 11:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-12 11:06 [RFC PATCH 0/8] xfs: single block atomic writes for buffered IO Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 1/8] fs: Rename STATX{_ATTR}_WRITE_ATOMIC -> STATX{_ATTR}_WRITE_ATOMIC_DIO Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 2/8] mm: Add PG_atomic Ojaswin Mujoo
2025-11-12 15:56 ` Matthew Wilcox
2025-11-13 12:34 ` David Hildenbrand (Red Hat)
2025-11-14 5:00 ` Ritesh Harjani
2025-11-14 13:16 ` Matthew Wilcox
2025-11-18 16:17 ` Ritesh Harjani
2025-11-18 23:30 ` Dave Chinner
2025-11-12 11:06 ` [RFC PATCH 3/8] fs: Add initial buffered atomic write support info to statx Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 4/8] iomap: buffered atomic write support Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 5/8] iomap: pin pages for RWF_ATOMIC buffered write Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 6/8] xfs: Report atomic write min and max for buf io as well Ojaswin Mujoo
2025-11-12 11:06 ` [RFC PATCH 7/8] iomap: Add bs<ps buffered atomic writes support Ojaswin Mujoo
2025-11-12 11:06 ` Ojaswin Mujoo [this message]
2025-11-12 15:50 ` [syzbot ci] Re: xfs: single block atomic writes for buffered IO syzbot ci
2025-11-12 21:56 ` [RFC PATCH 0/8] " Dave Chinner
2025-11-13 5:23 ` Christoph Hellwig
2025-11-13 5:42 ` Ritesh Harjani
2025-11-13 5:57 ` Christoph Hellwig
2025-11-13 10:32 ` Dave Chinner
2025-11-14 9:20 ` Ojaswin Mujoo
2025-11-14 13:18 ` Matthew Wilcox
2025-11-16 8:11 ` Dave Chinner
2025-11-17 10:59 ` John Garry
2025-11-17 20:51 ` Dave Chinner
2025-11-20 10:37 ` Ojaswin Mujoo
2025-11-20 12:14 ` Ojaswin Mujoo
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