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dm raid: simplify rs_setup_recovery call chain

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rs_setup_recovery() sets the starting recovery offset.

Drop superfluous rs_setup_recovery() and replace with __rs_setup_recovery().

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2019-10-01 17:47:54 +02:00 committed by Mike Snitzer
parent 99273d9e6e
commit f9f3ee9130
1 changed files with 6 additions and 21 deletions
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27
drivers/md/dm-raid.c
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@ -1670,7 +1670,7 @@ bad:
}
/* Setup recovery on @rs */
static void __rs_setup_recovery(struct raid_set *rs, sector_t dev_sectors)
static void rs_setup_recovery(struct raid_set *rs, sector_t dev_sectors)
{
/* raid0 does not recover */
if (rs_is_raid0(rs))
@ -1691,22 +1691,6 @@ static void __rs_setup_recovery(struct raid_set *rs, sector_t dev_sectors)
? MaxSector : dev_sectors;
}
/* Setup recovery on @rs based on raid type, device size and 'nosync' flag */
static void rs_setup_recovery(struct raid_set *rs, sector_t dev_sectors)
{
if (!dev_sectors)
/* New raid set or 'sync' flag provided */
__rs_setup_recovery(rs, 0);
else if (dev_sectors == MaxSector)
/* Prevent recovery */
__rs_setup_recovery(rs, MaxSector);
else if (__rdev_sectors(rs) < dev_sectors)
/* Grown raid set */
__rs_setup_recovery(rs, __rdev_sectors(rs));
else
__rs_setup_recovery(rs, MaxSector);
}
static void do_table_event(struct work_struct *ws)
{
struct raid_set *rs = container_of(ws, struct raid_set, md.event_work);
@ -2474,7 +2458,7 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev)
return -EINVAL;
}
/* Enable bitmap creation for RAID levels != 0 */
/* Enable bitmap creation on @rs unless no metadevs or raid0 or journaled raid4/5/6 set. */
mddev->bitmap_info.offset = (rt_is_raid0(rs->raid_type) || rs->journal_dev.dev) ? 0 : to_sector(4096);
mddev->bitmap_info.default_offset = mddev->bitmap_info.offset;
@ -3173,7 +3157,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
rs_setup_recovery(rs, MaxSector);
rs_set_new(rs);
} else if (rs_reshape_requested(rs)) {
/* Only on size extensions, not on reshapes. */
/* Only request grow on raid set size extensions, not on reshapes. */
clear_bit(RT_FLAG_RS_GROW, &rs->runtime_flags);
/*
@ -3211,10 +3195,11 @@ size_check:
if (test_bit(__CTR_FLAG_REBUILD, &rs->ctr_flags)) {
clear_bit(RT_FLAG_RS_GROW, &rs->runtime_flags);
set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags);
rs_setup_recovery(rs, MaxSector);
} else if (test_bit(RT_FLAG_RS_GROW, &rs->runtime_flags)) {
/*
* Set raid set to current size, i.e. non-grown size
* as of superblocks to grow to new size in preresume.
* Set raid set to current size, i.e. size as of
* superblocks to grow to larger size in preresume.
*/
r = rs_set_dev_and_array_sectors(rs, sb_array_sectors, false);
if (r)