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authorHeinz Mauelshagen <heinzm@redhat.com>2019-10-01 17:47:54 +0200
committerMike Snitzer <snitzer@redhat.com>2019-11-05 14:02:52 -0500
commitf9f3ee9130eb588c75e4a145837d4e6214947c40 (patch)
tree8e109f3cd9d133324be7742ad356b0c6be580f47
parent99273d9e6e19ce7bc393d294d60b8e0c0b971121 (diff)
dm raid: simplify rs_setup_recovery call chain
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>
-rw-r--r--drivers/md/dm-raid.c27
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 5c84215d9b62..3b99ef79dbe3 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -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)