mdadm/0154-super-intel-add-define-for-migr_state.patch

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From 125217e0903ab0eb574d20c698c49b04e3b1a99c Mon Sep 17 00:00:00 2001
From: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
Date: Wed, 31 Jul 2024 15:06:42 +0200
Subject: [PATCH 154/157] super-intel: add define for migr_state
Represent migr_state with the define, which helps in code readability.
Add new values for Normal and Migration states.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
---
super-intel.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index f6745e10..354c292a 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -194,6 +194,8 @@ ASSERT_SIZE(imsm_map, 52)
struct imsm_vol {
__u32 curr_migr_unit_lo;
__u32 checkpoint_id; /* id to access curr_migr_unit */
+#define MIGR_STATE_NORMAL 0
+#define MIGR_STATE_MIGRATING 1
__u8 migr_state; /* Normal or Migrating */
#define MIGR_INIT 0
#define MIGR_REBUILD 1
@@ -4303,7 +4305,7 @@ static void migrate(struct imsm_dev *dev, struct intel_super *super,
struct imsm_map *dest;
struct imsm_map *src = get_imsm_map(dev, MAP_0);
- dev->vol.migr_state = 1;
+ dev->vol.migr_state = MIGR_STATE_MIGRATING;
set_migr_type(dev, migr_type);
set_vol_curr_migr_unit(dev, 0);
dest = get_imsm_map(dev, MAP_1);
@@ -4337,7 +4339,7 @@ static void end_migration(struct imsm_dev *dev, struct intel_super *super,
return;
struct imsm_map *map = get_imsm_map(dev, MAP_0);
- struct imsm_map *prev = get_imsm_map(dev, dev->vol.migr_state == 0 ?
+ struct imsm_map *prev = get_imsm_map(dev, dev->vol.migr_state == MIGR_STATE_NORMAL ?
MAP_0 : MAP_1);
int i, j;
@@ -4369,7 +4371,7 @@ static void end_migration(struct imsm_dev *dev, struct intel_super *super,
map_state = imsm_check_degraded(super, dev, failed, MAP_0);
}
- dev->vol.migr_state = 0;
+ dev->vol.migr_state = MIGR_STATE_NORMAL;
set_migr_type(dev, 0);
set_vol_curr_migr_unit(dev, 0);
map->map_state = map_state;
@@ -4449,7 +4451,7 @@ int check_mpb_migr_compatibility(struct intel_super *super)
for (i = 0; i < super->anchor->num_raid_devs; i++) {
struct imsm_dev *dev_iter = __get_imsm_dev(super->anchor, i);
- if (dev_iter->vol.migr_state == 1 &&
+ if (dev_iter->vol.migr_state == MIGR_STATE_MIGRATING &&
dev_iter->vol.migr_type == MIGR_GEN_MIGR) {
/* This device is migrating */
map0 = get_imsm_map(dev_iter, MAP_0);
@@ -5654,7 +5656,7 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
set_imsm_dev_size(dev, array_blocks);
dev->status = (DEV_READ_COALESCING | DEV_WRITE_COALESCING);
vol = &dev->vol;
- vol->migr_state = 0;
+ vol->migr_state = MIGR_STATE_NORMAL;
set_migr_type(dev, MIGR_INIT);
vol->dirty = !info->state;
set_vol_curr_migr_unit(dev, 0);
@@ -8631,7 +8633,7 @@ static void imsm_progress_container_reshape(struct intel_super *super)
copy_map_size = sizeof_imsm_map(map);
prev_num_members = map->num_members;
map->num_members = prev_disks;
- dev->vol.migr_state = 1;
+ dev->vol.migr_state = MIGR_STATE_MIGRATING;
set_vol_curr_migr_unit(dev, 0);
set_migr_type(dev, MIGR_GEN_MIGR);
for (i = prev_num_members;
@@ -9863,7 +9865,7 @@ static int apply_reshape_container_disks_update(struct imsm_update_reshape *u,
dprintf("imsm: modifying subdev: %i\n",
id->index);
devices_to_reshape--;
- newdev->vol.migr_state = 1;
+ newdev->vol.migr_state = MIGR_STATE_MIGRATING;
set_vol_curr_migr_unit(newdev, 0);
set_migr_type(newdev, MIGR_GEN_MIGR);
newmap->num_members = u->new_raid_disks;
--
2.41.0