From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-fsdevel@vger.kernel.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
Christoph Hellwig <hch@lst.de>,
"Darrick J . Wong" <djwong@kernel.org>
Subject: [RFC PATCH 04/10] iomap: Accept a NULL iomap_writepage_ctx in iomap_submit_ioend()
Date: Tue, 3 May 2022 07:40:02 +0100 [thread overview]
Message-ID: <20220503064008.3682332-5-willy@infradead.org> (raw)
In-Reply-To: <20220503064008.3682332-1-willy@infradead.org>
Prepare for I/O without an iomap_writepage_ctx() by accepting a NULL
wpc.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
fs/iomap/buffered-io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 1bf361446267..85bcdb0dc66c 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1204,7 +1204,7 @@ iomap_submit_ioend(struct iomap_writepage_ctx *wpc, struct iomap_ioend *ioend,
ioend->io_bio->bi_private = ioend;
ioend->io_bio->bi_end_io = iomap_writepage_end_bio;
- if (wpc->ops->prepare_ioend)
+ if (wpc && wpc->ops->prepare_ioend)
error = wpc->ops->prepare_ioend(ioend, error);
if (error) {
/*
--
2.34.1
next prev parent reply other threads:[~2022-05-03 6:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-03 6:39 [RFC PATCH 00/10] Make O_SYNC writethrough Matthew Wilcox (Oracle)
2022-05-03 6:39 ` [RFC PATCH 01/10] iomap: Pass struct iomap to iomap_alloc_ioend() Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 02/10] iomap: Remove iomap_writepage_ctx from iomap_can_add_to_ioend() Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 03/10] iomap: Do not pass iomap_writepage_ctx to iomap_add_to_ioend() Matthew Wilcox (Oracle)
2022-05-03 6:40 ` Matthew Wilcox (Oracle) [this message]
2022-05-03 6:40 ` [RFC PATCH 05/10] iomap: Allow a NULL writeback_control argument to iomap_alloc_ioend() Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 06/10] iomap: Pass a length to iomap_add_to_ioend() Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 07/10] iomap: Reorder functions Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 08/10] " Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 09/10] iomap: Add writethrough for O_SYNC Matthew Wilcox (Oracle)
2022-05-03 6:40 ` [RFC PATCH 10/10] remove write_through bool Matthew Wilcox (Oracle)
2022-05-03 12:57 ` [RFC PATCH 00/10] Make O_SYNC writethrough Damien Le Moal
2022-05-05 4:58 ` Dave Chinner
2022-05-05 5:07 ` Matthew Wilcox
2022-05-05 7:05 ` Dave Chinner
2022-05-06 12:03 ` Damien Le Moal
2022-05-10 1:26 ` Dave Chinner
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