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-rw-r--r--drivers/md/.gitignore4
-rw-r--r--drivers/md/bitmap.c12
-rw-r--r--drivers/md/md.c71
-rw-r--r--drivers/md/md.h2
-rw-r--r--drivers/md/raid1.c25
-rw-r--r--drivers/md/raid10.c17
-rw-r--r--drivers/md/raid5.c13
7 files changed, 70 insertions, 74 deletions
diff --git a/drivers/md/.gitignore b/drivers/md/.gitignore
deleted file mode 100644
index a7afec6b19c6..000000000000
--- a/drivers/md/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-mktables
-raid6altivec*.c
-raid6int*.c
-raid6tables.c
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 1ba1e122e948..e4fb58db5454 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1000,10 +1000,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
page = bitmap->sb_page;
offset = sizeof(bitmap_super_t);
if (!file)
- read_sb_page(bitmap->mddev,
- bitmap->mddev->bitmap_info.offset,
- page,
- index, count);
+ page = read_sb_page(
+ bitmap->mddev,
+ bitmap->mddev->bitmap_info.offset,
+ page,
+ index, count);
} else if (file) {
page = read_page(file, index, bitmap, count);
offset = 0;
@@ -1542,8 +1543,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector)
atomic_read(&bitmap->mddev->recovery_active) == 0);
bitmap->mddev->curr_resync_completed = bitmap->mddev->curr_resync;
- if (bitmap->mddev->persistent)
- set_bit(MD_CHANGE_CLEAN, &bitmap->mddev->flags);
+ set_bit(MD_CHANGE_CLEAN, &bitmap->mddev->flags);
sector &= ~((1ULL << CHUNK_BLOCK_SHIFT(bitmap)) - 1);
s = 0;
while (s < sector && s < bitmap->mddev->resync_max_sectors) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 11567c7999a2..f20d13e717d5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1643,7 +1643,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1;
if (rdev->sb_size & bmask)
rdev->sb_size = (rdev->sb_size | bmask) + 1;
- }
+ } else
+ max_dev = le32_to_cpu(sb->max_dev);
+
for (i=0; i<max_dev;i++)
sb->dev_roles[i] = cpu_to_le16(0xfffe);
@@ -2136,16 +2138,6 @@ static void sync_sbs(mddev_t * mddev, int nospares)
* with the rest of the array)
*/
mdk_rdev_t *rdev;
-
- /* First make sure individual recovery_offsets are correct */
- list_for_each_entry(rdev, &mddev->disks, same_set) {
- if (rdev->raid_disk >= 0 &&
- mddev->delta_disks >= 0 &&
- !test_bit(In_sync, &rdev->flags) &&
- mddev->curr_resync_completed > rdev->recovery_offset)
- rdev->recovery_offset = mddev->curr_resync_completed;
-
- }
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->sb_events == mddev->events ||
(nospares &&
@@ -2167,13 +2159,27 @@ static void md_update_sb(mddev_t * mddev, int force_change)
int sync_req;
int nospares = 0;
- mddev->utime = get_seconds();
- if (mddev->external)
- return;
repeat:
+ /* First make sure individual recovery_offsets are correct */
+ list_for_each_entry(rdev, &mddev->disks, same_set) {
+ if (rdev->raid_disk >= 0 &&
+ mddev->delta_disks >= 0 &&
+ !test_bit(In_sync, &rdev->flags) &&
+ mddev->curr_resync_completed > rdev->recovery_offset)
+ rdev->recovery_offset = mddev->curr_resync_completed;
+
+ }
+ if (!mddev->persistent) {
+ clear_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ clear_bit(MD_CHANGE_DEVS, &mddev->flags);
+ wake_up(&mddev->sb_wait);
+ return;
+ }
+
spin_lock_irq(&mddev->write_lock);
- set_bit(MD_CHANGE_PENDING, &mddev->flags);
+ mddev->utime = get_seconds();
+
if (test_and_clear_bit(MD_CHANGE_DEVS, &mddev->flags))
force_change = 1;
if (test_and_clear_bit(MD_CHANGE_CLEAN, &mddev->flags))
@@ -2221,19 +2227,6 @@ repeat:
MD_BUG();
mddev->events --;
}
-
- /*
- * do not write anything to disk if using
- * nonpersistent superblocks
- */
- if (!mddev->persistent) {
- if (!mddev->external)
- clear_bit(MD_CHANGE_PENDING, &mddev->flags);
-
- spin_unlock_irq(&mddev->write_lock);
- wake_up(&mddev->sb_wait);
- return;
- }
sync_sbs(mddev, nospares);
spin_unlock_irq(&mddev->write_lock);
@@ -3379,7 +3372,7 @@ array_state_show(mddev_t *mddev, char *page)
case 0:
if (mddev->in_sync)
st = clean;
- else if (test_bit(MD_CHANGE_CLEAN, &mddev->flags))
+ else if (test_bit(MD_CHANGE_PENDING, &mddev->flags))
st = write_pending;
else if (mddev->safemode)
st = active_idle;
@@ -3460,9 +3453,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
mddev->in_sync = 1;
if (mddev->safemode == 1)
mddev->safemode = 0;
- if (mddev->persistent)
- set_bit(MD_CHANGE_CLEAN,
- &mddev->flags);
+ set_bit(MD_CHANGE_CLEAN, &mddev->flags);
}
err = 0;
} else
@@ -3474,8 +3465,7 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len)
case active:
if (mddev->pers) {
restart_array(mddev);
- if (mddev->external)
- clear_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ clear_bit(MD_CHANGE_PENDING, &mddev->flags);
wake_up(&mddev->sb_wait);
err = 0;
} else {
@@ -6580,6 +6570,7 @@ void md_write_start(mddev_t *mddev, struct bio *bi)
if (mddev->in_sync) {
mddev->in_sync = 0;
set_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ set_bit(MD_CHANGE_PENDING, &mddev->flags);
md_wakeup_thread(mddev->thread);
did_change = 1;
}
@@ -6588,7 +6579,6 @@ void md_write_start(mddev_t *mddev, struct bio *bi)
if (did_change)
sysfs_notify_dirent_safe(mddev->sysfs_state);
wait_event(mddev->sb_wait,
- !test_bit(MD_CHANGE_CLEAN, &mddev->flags) &&
!test_bit(MD_CHANGE_PENDING, &mddev->flags));
}
@@ -6624,6 +6614,7 @@ int md_allow_write(mddev_t *mddev)
if (mddev->in_sync) {
mddev->in_sync = 0;
set_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ set_bit(MD_CHANGE_PENDING, &mddev->flags);
if (mddev->safemode_delay &&
mddev->safemode == 0)
mddev->safemode = 1;
@@ -6633,7 +6624,7 @@ int md_allow_write(mddev_t *mddev)
} else
spin_unlock_irq(&mddev->write_lock);
- if (test_bit(MD_CHANGE_CLEAN, &mddev->flags))
+ if (test_bit(MD_CHANGE_PENDING, &mddev->flags))
return -EAGAIN;
else
return 0;
@@ -6831,8 +6822,7 @@ void md_do_sync(mddev_t *mddev)
atomic_read(&mddev->recovery_active) == 0);
mddev->curr_resync_completed =
mddev->curr_resync;
- if (mddev->persistent)
- set_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ set_bit(MD_CHANGE_CLEAN, &mddev->flags);
sysfs_notify(&mddev->kobj, NULL, "sync_completed");
}
@@ -7081,7 +7071,7 @@ void md_check_recovery(mddev_t *mddev)
if (mddev->ro && !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
return;
if ( ! (
- (mddev->flags && !mddev->external) ||
+ (mddev->flags & ~ (1<<MD_CHANGE_PENDING)) ||
test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
test_bit(MD_RECOVERY_DONE, &mddev->recovery) ||
(mddev->external == 0 && mddev->safemode == 1) ||
@@ -7111,8 +7101,7 @@ void md_check_recovery(mddev_t *mddev)
mddev->recovery_cp == MaxSector) {
mddev->in_sync = 1;
did_change = 1;
- if (mddev->persistent)
- set_bit(MD_CHANGE_CLEAN, &mddev->flags);
+ set_bit(MD_CHANGE_CLEAN, &mddev->flags);
}
if (mddev->safemode == 1)
mddev->safemode = 0;
diff --git a/drivers/md/md.h b/drivers/md/md.h
index a953fe2808ae..3931299788dc 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -140,7 +140,7 @@ struct mddev_s
unsigned long flags;
#define MD_CHANGE_DEVS 0 /* Some device status has changed */
#define MD_CHANGE_CLEAN 1 /* transition to or from 'clean' */
-#define MD_CHANGE_PENDING 2 /* superblock update in progress */
+#define MD_CHANGE_PENDING 2 /* switch from 'clean' to 'active' in progress */
int suspended;
atomic_t active_io;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 73cc74ffc26b..0b830bbe1d8b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -787,8 +787,8 @@ static int make_request(mddev_t *mddev, struct bio * bio)
struct bio_list bl;
struct page **behind_pages = NULL;
const int rw = bio_data_dir(bio);
- const bool do_sync = (bio->bi_rw & REQ_SYNC);
- bool do_barriers;
+ const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
+ unsigned long do_barriers;
mdk_rdev_t *blocked_rdev;
/*
@@ -1120,6 +1120,8 @@ static int raid1_spare_active(mddev_t *mddev)
{
int i;
conf_t *conf = mddev->private;
+ int count = 0;
+ unsigned long flags;
/*
* Find all failed disks within the RAID1 configuration
@@ -1131,15 +1133,16 @@ static int raid1_spare_active(mddev_t *mddev)
if (rdev
&& !test_bit(Faulty, &rdev->flags)
&& !test_and_set_bit(In_sync, &rdev->flags)) {
- unsigned long flags;
- spin_lock_irqsave(&conf->device_lock, flags);
- mddev->degraded--;
- spin_unlock_irqrestore(&conf->device_lock, flags);
+ count++;
+ sysfs_notify_dirent(rdev->sysfs_state);
}
}
+ spin_lock_irqsave(&conf->device_lock, flags);
+ mddev->degraded -= count;
+ spin_unlock_irqrestore(&conf->device_lock, flags);
print_conf(conf);
- return 0;
+ return count;
}
@@ -1640,7 +1643,7 @@ static void raid1d(mddev_t *mddev)
* We already have a nr_pending reference on these rdevs.
*/
int i;
- const bool do_sync = (r1_bio->master_bio->bi_rw & REQ_SYNC);
+ const unsigned long do_sync = (r1_bio->master_bio->bi_rw & REQ_SYNC);
clear_bit(R1BIO_BarrierRetry, &r1_bio->state);
clear_bit(R1BIO_Barrier, &r1_bio->state);
for (i=0; i < conf->raid_disks; i++)
@@ -1696,7 +1699,7 @@ static void raid1d(mddev_t *mddev)
(unsigned long long)r1_bio->sector);
raid_end_bio_io(r1_bio);
} else {
- const bool do_sync = r1_bio->master_bio->bi_rw & REQ_SYNC;
+ const unsigned long do_sync = r1_bio->master_bio->bi_rw & REQ_SYNC;
r1_bio->bios[r1_bio->read_disk] =
mddev->ro ? IO_BLOCKED : NULL;
r1_bio->read_disk = disk;
@@ -1836,7 +1839,9 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
/* take from bio_init */
bio->bi_next = NULL;
+ bio->bi_flags &= ~(BIO_POOL_MASK-1);
bio->bi_flags |= 1 << BIO_UPTODATE;
+ bio->bi_comp_cpu = -1;
bio->bi_rw = READ;
bio->bi_vcnt = 0;
bio->bi_idx = 0;
@@ -1909,7 +1914,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
break;
BUG_ON(sync_blocks < (PAGE_SIZE>>9));
- if (len > (sync_blocks<<9))
+ if ((len >> 9) > sync_blocks)
len = sync_blocks<<9;
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index a88aeb5198c7..84718383124d 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -799,7 +799,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
int i;
int chunk_sects = conf->chunk_mask + 1;
const int rw = bio_data_dir(bio);
- const bool do_sync = (bio->bi_rw & REQ_SYNC);
+ const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
struct bio_list bl;
unsigned long flags;
mdk_rdev_t *blocked_rdev;
@@ -1116,6 +1116,8 @@ static int raid10_spare_active(mddev_t *mddev)
int i;
conf_t *conf = mddev->private;
mirror_info_t *tmp;
+ int count = 0;
+ unsigned long flags;
/*
* Find all non-in_sync disks within the RAID10 configuration
@@ -1126,15 +1128,16 @@ static int raid10_spare_active(mddev_t *mddev)
if (tmp->rdev
&& !test_bit(Faulty, &tmp->rdev->flags)
&& !test_and_set_bit(In_sync, &tmp->rdev->flags)) {
- unsigned long flags;
- spin_lock_irqsave(&conf->device_lock, flags);
- mddev->degraded--;
- spin_unlock_irqrestore(&conf->device_lock, flags);
+ count++;
+ sysfs_notify_dirent(tmp->rdev->sysfs_state);
}
}
+ spin_lock_irqsave(&conf->device_lock, flags);
+ mddev->degraded -= count;
+ spin_unlock_irqrestore(&conf->device_lock, flags);
print_conf(conf);
- return 0;
+ return count;
}
@@ -1734,7 +1737,7 @@ static void raid10d(mddev_t *mddev)
raid_end_bio_io(r10_bio);
bio_put(bio);
} else {
- const bool do_sync = (r10_bio->master_bio->bi_rw & REQ_SYNC);
+ const unsigned long do_sync = (r10_bio->master_bio->bi_rw & REQ_SYNC);
bio_put(bio);
rdev = conf->mirrors[mirror].rdev;
if (printk_ratelimit())
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 866d4b5a144c..69b0a169e43d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5330,6 +5330,8 @@ static int raid5_spare_active(mddev_t *mddev)
int i;
raid5_conf_t *conf = mddev->private;
struct disk_info *tmp;
+ int count = 0;
+ unsigned long flags;
for (i = 0; i < conf->raid_disks; i++) {
tmp = conf->disks + i;
@@ -5337,14 +5339,15 @@ static int raid5_spare_active(mddev_t *mddev)
&& tmp->rdev->recovery_offset == MaxSector
&& !test_bit(Faulty, &tmp->rdev->flags)
&& !test_and_set_bit(In_sync, &tmp->rdev->flags)) {
- unsigned long flags;
- spin_lock_irqsave(&conf->device_lock, flags);
- mddev->degraded--;
- spin_unlock_irqrestore(&conf->device_lock, flags);
+ count++;
+ sysfs_notify_dirent(tmp->rdev->sysfs_state);
}
}
+ spin_lock_irqsave(&conf->device_lock, flags);
+ mddev->degraded -= count;
+ spin_unlock_irqrestore(&conf->device_lock, flags);
print_raid5_conf(conf);
- return 0;
+ return count;
}
static int raid5_remove_disk(mddev_t *mddev, int number)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.