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| author | Christoph Hellwig <hch@lst.de> | 2022-05-05 23:11:11 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-05-16 18:17:32 +0300 |
| commit | 786f847f43a54e63161474fe85a4f1764d871a35 (patch) | |
| tree | 2031367c4c363ba3698a2625a87b5393971277ed /fs/iomap | |
| parent | 908c54909ae72dcbf1d7e1440f7297187d06c275 (diff) | |
| download | linux-786f847f43a54e63161474fe85a4f1764d871a35.tar.xz | |
iomap: add per-iomap_iter private data
Allow the file system to keep state for all iterations. For now only
wire it up for direct I/O as there is an immediate need for it there.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/iomap')
| -rw-r--r-- | fs/iomap/direct-io.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 314d8235f4ab..cf224a8bb311 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -483,7 +483,7 @@ static loff_t iomap_dio_iter(const struct iomap_iter *iter, struct iomap_dio * __iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - unsigned int dio_flags, size_t done_before) + unsigned int dio_flags, void *private, size_t done_before) { struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = file_inode(iocb->ki_filp); @@ -492,6 +492,7 @@ __iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, .pos = iocb->ki_pos, .len = iov_iter_count(iter), .flags = IOMAP_DIRECT, + .private = private, }; loff_t end = iomi.pos + iomi.len - 1, ret = 0; bool wait_for_completion = @@ -683,11 +684,12 @@ EXPORT_SYMBOL_GPL(__iomap_dio_rw); ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - unsigned int dio_flags, size_t done_before) + unsigned int dio_flags, void *private, size_t done_before) { struct iomap_dio *dio; - dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, done_before); + dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, private, + done_before); if (IS_ERR_OR_NULL(dio)) return PTR_ERR_OR_ZERO(dio); return iomap_dio_complete(dio); |