diff options
| author | Christoph Hellwig <hch@lst.de> | 2025-02-06 09:39:59 +0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-02-06 15:02:13 +0300 |
| commit | c50105933f0c75aacc4f95c9bf36f7fbd9a83884 (patch) | |
| tree | 5030cf1e959c3efbb3c97858d6bd999665ffc23e /include/linux | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
| download | linux-c50105933f0c75aacc4f95c9bf36f7fbd9a83884.tar.xz | |
iomap: allow the file system to submit the writeback bios
Change ->prepare_ioend to ->submit_ioend and require file systems that
implement it to submit the bio. This is needed for file systems that
do their own work on the bios before submitting them to the block layer
like btrfs or zoned xfs. To make this easier also pass the writeback
context to the method.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250206064035.2323428-2-hch@lst.de
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/iomap.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 75bf54e76f3b..dc8df4f779d4 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -362,12 +362,14 @@ struct iomap_writeback_ops { loff_t offset, unsigned len); /* - * Optional, allows the file systems to perform actions just before - * submitting the bio and/or override the bio end_io handler for complex - * operations like copy on write extent manipulation or unwritten extent - * conversions. + * Optional, allows the file systems to hook into bio submission, + * including overriding the bi_end_io handler. + * + * Returns 0 if the bio was successfully submitted, or a negative + * error code if status was non-zero or another error happened and + * the bio could not be submitted. */ - int (*prepare_ioend)(struct iomap_ioend *ioend, int status); + int (*submit_ioend)(struct iomap_writepage_ctx *wpc, int status); /* * Optional, allows the file system to discard state on a page where |