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Message-ID: <20221004095158.46d920d0@canb.auug.org.au>
Date: Tue, 4 Oct 2022 09:51:58 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Eric Biggers <ebiggers@...nel.org>,
Jaegeuk Kim <jaegeuk@...nel.org>
Cc: Eric Biggers <ebiggers@...gle.com>,
Eunhee Rho <eunhee83.rho@...sung.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: manual merge of the statx-dioalign tree with the f2fs
tree
Hi all,
Today's linux-next merge of the statx-dioalign tree got a conflict in:
fs/f2fs/f2fs.h
between commit:
2958e881d590 ("f2fs: allow direct read for zoned device")
from the f2fs tree and commit:
2db0487faa21 ("f2fs: move f2fs_force_buffered_io() into file.c")
from the statx-dioalign tree.
I fixed it up (I used the latter version of this file and applied the
following merge fix patch) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging. You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.
From c5beb9e5e8c4a68c68dfbca7ddd21afa4ba3fa57 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 4 Oct 2022 09:48:22 +1100
Subject: [PATCH] f2fs: fix up for "f2fs: allow direct read for zoned device"
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
fs/f2fs/file.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b1135f584677..996aad7c1e34 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -822,7 +822,12 @@ static bool f2fs_force_buffered_io(struct inode *inode, int rw)
/* disallow direct IO if any of devices has unaligned blksize */
if (f2fs_is_multi_device(sbi) && !sbi->aligned_blksize)
return true;
-
+ /*
+ * for blkzoned device, fallback direct IO to buffered IO, so
+ * all IOs can be serialized by log-structured write.
+ */
+ if (f2fs_sb_has_blkzoned(sbi) && (rw == WRITE))
+ return true;
if (f2fs_lfs_mode(sbi) && rw == WRITE && F2FS_IO_ALIGNED(sbi))
return true;
if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
--
2.35.1
--
Cheers,
Stephen Rothwell
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