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Searched refs:delta_disks (Results 1 – 9 of 9) sorted by relevance

/linux/drivers/md/
H A Ddm-raid.c240 int delta_disks; member
733 mddev->delta_disks = 0; in rs_set_new()
760 rs->delta_disks = 0; in raid_set_alloc()
770 rs->md.delta_disks = 0; in raid_set_alloc()
1403 rs->delta_disks = value; in parse_raid_params()
1649 int delta_disks; in rs_set_dev_and_array_sectors() local
1655 delta_disks = mddev->delta_disks; in rs_set_dev_and_array_sectors()
1658 delta_disks = rs->delta_disks; in rs_set_dev_and_array_sectors()
1667 delta_disks < 0) { in rs_set_dev_and_array_sectors()
1676 array_sectors = (data_stripes + delta_disks) * (dev_sectors - _get_reshape_sectors(rs)); in rs_set_dev_and_array_sectors()
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H A Draid0.c663 mddev->delta_disks = -1; in raid0_takeover_raid45()
704 mddev->delta_disks = - mddev->raid_disks / 2; in raid0_takeover_raid10()
705 mddev->raid_disks += mddev->delta_disks; in raid0_takeover_raid10()
748 mddev->delta_disks = 1 - mddev->raid_disks; in raid0_takeover_raid1()
H A Dmd.c1319 mddev->delta_disks = sb->delta_disks; in super_90_validate()
1323 if (mddev->delta_disks < 0) in super_90_validate()
1327 mddev->delta_disks = 0; in super_90_validate()
1461 sb->delta_disks = mddev->delta_disks; in super_90_sync()
1848 mddev->delta_disks = le32_to_cpu(sb->delta_disks); in super_1_validate()
1852 if (mddev->delta_disks < 0 || in super_1_validate()
1853 (mddev->delta_disks == 0 && in super_1_validate()
1859 mddev->delta_disks = 0; in super_1_validate()
2059 sb->delta_disks = cpu_to_le32(mddev->delta_disks); in super_1_sync()
2062 if (mddev->delta_disks == 0 && in super_1_sync()
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H A Draid10.c3819 disks = mddev->raid_disks - mddev->delta_disks; in setup_geo()
3831 disks = mddev->raid_disks + mddev->delta_disks; in setup_geo()
3908 conf->mirrors = kcalloc(mddev->raid_disks + max(0, -mddev->delta_disks), in setup_conf()
4246 mddev->delta_disks = mddev->raid_disks; in raid10_takeover_raid0()
4324 if (mddev->delta_disks > 0) { in raid10_check_reshape()
4327 kcalloc(mddev->raid_disks + mddev->delta_disks, in raid10_check_reshape()
4443 if (spares < mddev->delta_disks) in raid10_start_reshape()
4474 if (mddev->delta_disks && mddev->bitmap) { in raid10_start_reshape()
4515 if (mddev->delta_disks > 0) { in raid10_start_reshape()
5062 if (mddev->delta_disks > 0) { in raid10_finish_reshape()
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H A Draid5.c7529 conf->previous_raid_disks = mddev->raid_disks - mddev->delta_disks; in setup_conf()
7851 old_disks = mddev->raid_disks - mddev->delta_disks; in raid5_run()
7873 if (mddev->delta_disks == 0) { in raid5_run()
7905 BUG_ON(mddev->delta_disks != 0); in raid5_run()
8376 if (mddev->delta_disks == 0 && in check_reshape()
8382 if (mddev->delta_disks < 0 && mddev->reshape_position == MaxSector) { in check_reshape()
8391 if (mddev->raid_disks + mddev->delta_disks < min) in check_reshape()
8399 mddev->delta_disks > 0) in check_reshape()
8402 + max(0, mddev->delta_disks), in check_reshape()
8408 if (conf->previous_raid_disks + mddev->delta_disks <= conf->pool_size) in check_reshape()
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H A Dmd.h422 int delta_disks, new_level, new_layout; member
H A Draid1.c3364 raid_disks = mddev->raid_disks + mddev->delta_disks; in raid1_reshape()
3424 mddev->delta_disks = 0; in raid1_reshape()
/linux/include/uapi/linux/raid/
H A Dmd_p.h180 __u32 delta_disks; /* 15 change in number of raid_disks */ member
258 __le32 delta_disks; /* change in number of raid_disks */ member
/linux/Documentation/admin-guide/device-mapper/
H A Ddm-raid.rst172 [delta_disks <N>]
173 The delta_disks option value (-251 < N < +251) triggers