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| author | Heinz Mauelshagen <heinzm@redhat.com> | 2024-07-09 13:56:12 +0200 |
|---|---|---|
| committer | Mikulas Patocka <mpatocka@redhat.com> | 2024-07-10 13:10:06 +0200 |
| commit | 453496b899b5f62ff193bca46097f0f7211cec46 (patch) | |
| tree | e4525186bc5e3e3a47eab4d58701ab10c347164f /drivers/md | |
| parent | 6a6c56130aaaeb893a237b2db058251d0f2800de (diff) | |
| download | lwn-453496b899b5f62ff193bca46097f0f7211cec46.tar.gz lwn-453496b899b5f62ff193bca46097f0f7211cec46.zip | |
dm raid: move _get_reshape_sectors() as prerequisite to fixing reshape size issues
rs_set_dev_and_array_sectors() needs this function to
calculate device and array size properly in case leg data
devices have out-of-place reshape space allocated.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-raid.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 46559f5d21e8..871e278de662 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1626,6 +1626,23 @@ static int _check_data_dev_sectors(struct raid_set *rs) return 0; } +/* Get reshape sectors from data_offsets or raid set */ +static sector_t _get_reshape_sectors(struct raid_set *rs) +{ + struct md_rdev *rdev; + sector_t reshape_sectors = 0; + + rdev_for_each(rdev, &rs->md) + if (!test_bit(Journal, &rdev->flags)) { + reshape_sectors = (rdev->data_offset > rdev->new_data_offset) ? + rdev->data_offset - rdev->new_data_offset : + rdev->new_data_offset - rdev->data_offset; + break; + } + + return max(reshape_sectors, (sector_t) rs->data_offset); +} + /* Calculate the sectors per device and per array used for @rs */ static int rs_set_dev_and_array_sectors(struct raid_set *rs, sector_t sectors, bool use_mddev) { @@ -2811,23 +2828,6 @@ static int rs_prepare_reshape(struct raid_set *rs) return 0; } -/* Get reshape sectors from data_offsets or raid set */ -static sector_t _get_reshape_sectors(struct raid_set *rs) -{ - struct md_rdev *rdev; - sector_t reshape_sectors = 0; - - rdev_for_each(rdev, &rs->md) - if (!test_bit(Journal, &rdev->flags)) { - reshape_sectors = (rdev->data_offset > rdev->new_data_offset) ? - rdev->data_offset - rdev->new_data_offset : - rdev->new_data_offset - rdev->data_offset; - break; - } - - return max(reshape_sectors, (sector_t) rs->data_offset); -} - /* * Reshape: * - change raid layout |