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| author | Yu Kuai <yukuai3@huawei.com> | 2025-01-09 09:51:43 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 10:02:19 +0100 |
| commit | f53e6165a38063d755fc765aad06858f9fc1620f (patch) | |
| tree | 3977139dd66037c67e17a40b0c9bd220561f65b7 /drivers/md | |
| parent | a38f0268da9633a84072ba14394e32d2e3564336 (diff) | |
| download | linux-f53e6165a38063d755fc765aad06858f9fc1620f.tar.gz linux-f53e6165a38063d755fc765aad06858f9fc1620f.tar.bz2 linux-f53e6165a38063d755fc765aad06858f9fc1620f.zip | |
md: add a new callback pers->bitmap_sector()
commit 0c984a283a3ea3f10bebecd6c57c1d41b2e4f518 upstream.
This callback will be used in raid5 to convert io ranges from array to
bitmap.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Link: https://lore.kernel.org/r/20250109015145.158868-4-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Yu Kuai <yukuai1@huaweicloud.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 4ba93af36126..de6dadb9a40b 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -746,6 +746,9 @@ struct md_personality void *(*takeover) (struct mddev *mddev); /* Changes the consistency policy of an active array. */ int (*change_consistency_policy)(struct mddev *mddev, const char *buf); + /* convert io ranges from array to bitmap */ + void (*bitmap_sector)(struct mddev *mddev, sector_t *offset, + unsigned long *sectors); }; struct md_sysfs_entry { |