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-rw-r--r--drivers/md/dm-crypt.c22
-rw-r--r--drivers/md/dm-mpath.c30
-rw-r--r--drivers/md/dm-thin-metadata.c34
-rw-r--r--drivers/md/dm-thin.c6
-rw-r--r--drivers/md/dm.c7
-rw-r--r--drivers/md/md.c33
-rw-r--r--drivers/md/md.h8
-rw-r--r--drivers/md/persistent-data/dm-btree.c101
-rw-r--r--drivers/md/persistent-data/dm-btree.h14
-rw-r--r--drivers/md/persistent-data/dm-space-map-metadata.c32
-rw-r--r--drivers/md/raid10.c4
11 files changed, 228 insertions, 63 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 917d47e290ae..3147c8d09ea8 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -112,7 +112,8 @@ struct iv_tcw_private {
* and encrypts / decrypts at the same time.
*/
enum flags { DM_CRYPT_SUSPENDED, DM_CRYPT_KEY_VALID,
- DM_CRYPT_SAME_CPU, DM_CRYPT_NO_OFFLOAD };
+ DM_CRYPT_SAME_CPU, DM_CRYPT_NO_OFFLOAD,
+ DM_CRYPT_EXIT_THREAD};
/*
* The fields in here must be read only after initialization.
@@ -1203,20 +1204,18 @@ continue_locked:
if (!RB_EMPTY_ROOT(&cc->write_tree))
goto pop_from_list;
+ if (unlikely(test_bit(DM_CRYPT_EXIT_THREAD, &cc->flags))) {
+ spin_unlock_irq(&cc->write_thread_wait.lock);
+ break;
+ }
+
__set_current_state(TASK_INTERRUPTIBLE);
__add_wait_queue(&cc->write_thread_wait, &wait);
spin_unlock_irq(&cc->write_thread_wait.lock);
- if (unlikely(kthread_should_stop())) {
- set_task_state(current, TASK_RUNNING);
- remove_wait_queue(&cc->write_thread_wait, &wait);
- break;
- }
-
schedule();
- set_task_state(current, TASK_RUNNING);
spin_lock_irq(&cc->write_thread_wait.lock);
__remove_wait_queue(&cc->write_thread_wait, &wait);
goto continue_locked;
@@ -1531,8 +1530,13 @@ static void crypt_dtr(struct dm_target *ti)
if (!cc)
return;
- if (cc->write_thread)
+ if (cc->write_thread) {
+ spin_lock_irq(&cc->write_thread_wait.lock);
+ set_bit(DM_CRYPT_EXIT_THREAD, &cc->flags);
+ wake_up_locked(&cc->write_thread_wait);
+ spin_unlock_irq(&cc->write_thread_wait.lock);
kthread_stop(cc->write_thread);
+ }
if (cc->io_queue)
destroy_workqueue(cc->io_queue);
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index aaa6caa46a9f..cfa29f574c2a 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1537,32 +1537,34 @@ static int multipath_prepare_ioctl(struct dm_target *ti,
struct block_device **bdev, fmode_t *mode)
{
struct multipath *m = ti->private;
- struct pgpath *pgpath;
unsigned long flags;
int r;
- r = 0;
-
spin_lock_irqsave(&m->lock, flags);
if (!m->current_pgpath)
__choose_pgpath(m, 0);
- pgpath = m->current_pgpath;
-
- if (pgpath) {
- *bdev = pgpath->path.dev->bdev;
- *mode = pgpath->path.dev->mode;
+ if (m->current_pgpath) {
+ if (!m->queue_io) {
+ *bdev = m->current_pgpath->path.dev->bdev;
+ *mode = m->current_pgpath->path.dev->mode;
+ r = 0;
+ } else {
+ /* pg_init has not started or completed */
+ r = -ENOTCONN;
+ }
+ } else {
+ /* No path is available */
+ if (m->queue_if_no_path)
+ r = -ENOTCONN;
+ else
+ r = -EIO;
}
- if ((pgpath && m->queue_io) || (!pgpath && m->queue_if_no_path))
- r = -ENOTCONN;
- else if (!*bdev)
- r = -EIO;
-
spin_unlock_irqrestore(&m->lock, flags);
- if (r == -ENOTCONN && !fatal_signal_pending(current)) {
+ if (r == -ENOTCONN) {
spin_lock_irqsave(&m->lock, flags);
if (!m->current_pg) {
/* Path status changed, redo selection */
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 1fa45695b68a..c219a053c7f6 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1207,6 +1207,12 @@ static int __reserve_metadata_snap(struct dm_pool_metadata *pmd)
dm_block_t held_root;
/*
+ * We commit to ensure the btree roots which we increment in a
+ * moment are up to date.
+ */
+ __commit_transaction(pmd);
+
+ /*
* Copy the superblock.
*/
dm_sm_inc_block(pmd->metadata_sm, THIN_SUPERBLOCK_LOCATION);
@@ -1538,7 +1544,7 @@ static int __remove(struct dm_thin_device *td, dm_block_t block)
static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end)
{
int r;
- unsigned count;
+ unsigned count, total_count = 0;
struct dm_pool_metadata *pmd = td->pmd;
dm_block_t keys[1] = { td->id };
__le64 value;
@@ -1561,11 +1567,29 @@ static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_
if (r)
return r;
- r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count);
- if (r)
- return r;
+ /*
+ * Remove leaves stops at the first unmapped entry, so we have to
+ * loop round finding mapped ranges.
+ */
+ while (begin < end) {
+ r = dm_btree_lookup_next(&pmd->bl_info, mapping_root, &begin, &begin, &value);
+ if (r == -ENODATA)
+ break;
+
+ if (r)
+ return r;
+
+ if (begin >= end)
+ break;
+
+ r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count);
+ if (r)
+ return r;
+
+ total_count += count;
+ }
- td->mapped_blocks -= count;
+ td->mapped_blocks -= total_count;
td->changed = 1;
/*
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 3897b90bd462..63903a5a5d9e 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2432,6 +2432,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
case PM_WRITE:
if (old_mode != new_mode)
notify_of_pool_mode_change(pool, "write");
+ pool->pf.error_if_no_space = pt->requested_pf.error_if_no_space;
dm_pool_metadata_read_write(pool->pmd);
pool->process_bio = process_bio;
pool->process_discard = process_discard_bio;
@@ -4249,10 +4250,9 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
{
struct thin_c *tc = ti->private;
struct pool *pool = tc->pool;
- struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md);
- if (!pool_limits->discard_granularity)
- return; /* pool's discard support is disabled */
+ if (!pool->pf.discard_enabled)
+ return;
limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6e15f3565892..5df40480228b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -591,7 +591,7 @@ retry:
out:
dm_put_live_table(md, *srcu_idx);
- if (r == -ENOTCONN) {
+ if (r == -ENOTCONN && !fatal_signal_pending(current)) {
msleep(10);
goto retry;
}
@@ -603,9 +603,10 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
{
struct mapped_device *md = bdev->bd_disk->private_data;
struct dm_target *tgt;
+ struct block_device *tgt_bdev = NULL;
int srcu_idx, r;
- r = dm_get_live_table_for_ioctl(md, &tgt, &bdev, &mode, &srcu_idx);
+ r = dm_get_live_table_for_ioctl(md, &tgt, &tgt_bdev, &mode, &srcu_idx);
if (r < 0)
return r;
@@ -620,7 +621,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
goto out;
}
- r = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
+ r = __blkdev_driver_ioctl(tgt_bdev, mode, cmd, arg);
out:
dm_put_live_table(md, srcu_idx);
return r;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 807095f4c793..61aacab424cf 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -314,8 +314,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
*/
void mddev_suspend(struct mddev *mddev)
{
- BUG_ON(mddev->suspended);
- mddev->suspended = 1;
+ if (mddev->suspended++)
+ return;
synchronize_rcu();
wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0);
mddev->pers->quiesce(mddev, 1);
@@ -326,7 +326,8 @@ EXPORT_SYMBOL_GPL(mddev_suspend);
void mddev_resume(struct mddev *mddev)
{
- mddev->suspended = 0;
+ if (--mddev->suspended)
+ return;
wake_up(&mddev->sb_wait);
mddev->pers->quiesce(mddev, 0);
@@ -1652,7 +1653,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
rdev->journal_tail = le64_to_cpu(sb->journal_tail);
if (mddev->recovery_cp == MaxSector)
set_bit(MD_JOURNAL_CLEAN, &mddev->flags);
- rdev->raid_disk = mddev->raid_disks;
+ rdev->raid_disk = 0;
break;
default:
rdev->saved_raid_disk = role;
@@ -2773,6 +2774,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
/* Activating a spare .. or possibly reactivating
* if we ever get bitmaps working here.
*/
+ int err;
if (rdev->raid_disk != -1)
return -EBUSY;
@@ -2794,9 +2796,15 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
rdev->saved_raid_disk = -1;
clear_bit(In_sync, &rdev->flags);
clear_bit(Bitmap_sync, &rdev->flags);
- remove_and_add_spares(rdev->mddev, rdev);
- if (rdev->raid_disk == -1)
- return -EBUSY;
+ err = rdev->mddev->pers->
+ hot_add_disk(rdev->mddev, rdev);
+ if (err) {
+ rdev->raid_disk = -1;
+ return err;
+ } else
+ sysfs_notify_dirent_safe(rdev->sysfs_state);
+ if (sysfs_link_rdev(rdev->mddev, rdev))
+ /* failure here is OK */;
/* don't wakeup anyone, leave that to userspace. */
} else {
if (slot >= rdev->mddev->raid_disks &&
@@ -4318,8 +4326,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
}
mddev_unlock(mddev);
}
- } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
- test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
+ } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
return -EBUSY;
else if (cmd_match(page, "resync"))
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -4332,8 +4339,12 @@ action_store(struct mddev *mddev, const char *page, size_t len)
return -EINVAL;
err = mddev_lock(mddev);
if (!err) {
- clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- err = mddev->pers->start_reshape(mddev);
+ if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+ err = -EBUSY;
+ else {
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ err = mddev->pers->start_reshape(mddev);
+ }
mddev_unlock(mddev);
}
if (err)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 2bea51edfab7..ca0b643fe3c1 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -566,7 +566,9 @@ static inline char * mdname (struct mddev * mddev)
static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
} else
@@ -576,7 +578,9 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&mddev->kobj, nm);
}
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index c573402033b2..b1ced58eb5e1 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -63,6 +63,11 @@ int lower_bound(struct btree_node *n, uint64_t key)
return bsearch(n, key, 0);
}
+static int upper_bound(struct btree_node *n, uint64_t key)
+{
+ return bsearch(n, key, 1);
+}
+
void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
struct dm_btree_value_type *vt)
{
@@ -252,6 +257,16 @@ static void pop_frame(struct del_stack *s)
dm_tm_unlock(s->tm, f->b);
}
+static void unlock_all_frames(struct del_stack *s)
+{
+ struct frame *f;
+
+ while (unprocessed_frames(s)) {
+ f = s->spine + s->top--;
+ dm_tm_unlock(s->tm, f->b);
+ }
+}
+
int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
{
int r;
@@ -308,9 +323,13 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
pop_frame(s);
}
}
-
out:
+ if (r) {
+ /* cleanup all frames of del_stack */
+ unlock_all_frames(s);
+ }
kfree(s);
+
return r;
}
EXPORT_SYMBOL_GPL(dm_btree_del);
@@ -392,6 +411,82 @@ int dm_btree_lookup(struct dm_btree_info *info, dm_block_t root,
}
EXPORT_SYMBOL_GPL(dm_btree_lookup);
+static int dm_btree_lookup_next_single(struct dm_btree_info *info, dm_block_t root,
+ uint64_t key, uint64_t *rkey, void *value_le)
+{
+ int r, i;
+ uint32_t flags, nr_entries;
+ struct dm_block *node;
+ struct btree_node *n;
+
+ r = bn_read_lock(info, root, &node);
+ if (r)
+ return r;
+
+ n = dm_block_data(node);
+ flags = le32_to_cpu(n->header.flags);
+ nr_entries = le32_to_cpu(n->header.nr_entries);
+
+ if (flags & INTERNAL_NODE) {
+ i = lower_bound(n, key);
+ if (i < 0 || i >= nr_entries) {
+ r = -ENODATA;
+ goto out;
+ }
+
+ r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le);
+ if (r == -ENODATA && i < (nr_entries - 1)) {
+ i++;
+ r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le);
+ }
+
+ } else {
+ i = upper_bound(n, key);
+ if (i < 0 || i >= nr_entries) {
+ r = -ENODATA;
+ goto out;
+ }
+
+ *rkey = le64_to_cpu(n->keys[i]);
+ memcpy(value_le, value_ptr(n, i), info->value_type.size);
+ }
+out:
+ dm_tm_unlock(info->tm, node);
+ return r;
+}
+
+int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root,
+ uint64_t *keys, uint64_t *rkey, void *value_le)
+{
+ unsigned level;
+ int r = -ENODATA;
+ __le64 internal_value_le;
+ struct ro_spine spine;
+
+ init_ro_spine(&spine, info);
+ for (level = 0; level < info->levels - 1u; level++) {
+ r = btree_lookup_raw(&spine, root, keys[level],
+ lower_bound, rkey,
+ &internal_value_le, sizeof(uint64_t));
+ if (r)
+ goto out;
+
+ if (*rkey != keys[level]) {
+ r = -ENODATA;
+ goto out;
+ }
+
+ root = le64_to_cpu(internal_value_le);
+ }
+
+ r = dm_btree_lookup_next_single(info, root, keys[level], rkey, value_le);
+out:
+ exit_ro_spine(&spine);
+ return r;
+}
+
+EXPORT_SYMBOL_GPL(dm_btree_lookup_next);
+
/*
* Splits a node by creating a sibling node and shifting half the nodes
* contents across. Assumes there is a parent node, and it has room for
@@ -473,8 +568,10 @@ static int btree_split_sibling(struct shadow_spine *s, unsigned parent_index,
r = insert_at(sizeof(__le64), pn, parent_index + 1,
le64_to_cpu(rn->keys[0]), &location);
- if (r)
+ if (r) {
+ unlock_block(s->info, right);
return r;
+ }
if (key < le64_to_cpu(rn->keys[0])) {
unlock_block(s->info, right);
diff --git a/drivers/md/persistent-data/dm-btree.h b/drivers/md/persistent-data/dm-btree.h
index 11d8cf78621d..c74301fa5a37 100644
--- a/drivers/md/persistent-data/dm-btree.h
+++ b/drivers/md/persistent-data/dm-btree.h
@@ -110,6 +110,13 @@ int dm_btree_lookup(struct dm_btree_info *info, dm_block_t root,
uint64_t *keys, void *value_le);
/*
+ * Tries to find the first key where the bottom level key is >= to that
+ * given. Useful for skipping empty sections of the btree.
+ */
+int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root,
+ uint64_t *keys, uint64_t *rkey, void *value_le);
+
+/*
* Insertion (or overwrite an existing value). O(ln(n))
*/
int dm_btree_insert(struct dm_btree_info *info, dm_block_t root,
@@ -135,9 +142,10 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root,
uint64_t *keys, dm_block_t *new_root);
/*
- * Removes values between 'keys' and keys2, where keys2 is keys with the
- * final key replaced with 'end_key'. 'end_key' is the one-past-the-end
- * value. 'keys' may be altered.
+ * Removes a _contiguous_ run of values starting from 'keys' and not
+ * reaching keys2 (where keys2 is keys with the final key replaced with
+ * 'end_key'). 'end_key' is the one-past-the-end value. 'keys' may be
+ * altered.
*/
int dm_btree_remove_leaves(struct dm_btree_info *info, dm_block_t root,
uint64_t *keys, uint64_t end_key,
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 53091295fce9..fca6dbcf9a47 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -136,7 +136,7 @@ static int brb_push(struct bop_ring_buffer *brb,
return 0;
}
-static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result)
+static int brb_peek(struct bop_ring_buffer *brb, struct block_op *result)
{
struct block_op *bop;
@@ -147,6 +147,17 @@ static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result)
result->type = bop->type;
result->block = bop->block;
+ return 0;
+}
+
+static int brb_pop(struct bop_ring_buffer *brb)
+{
+ struct block_op *bop;
+
+ if (brb_empty(brb))
+ return -ENODATA;
+
+ bop = brb->bops + brb->begin;
brb->begin = brb_next(brb, brb->begin);
return 0;
@@ -211,7 +222,7 @@ static int apply_bops(struct sm_metadata *smm)
while (!brb_empty(&smm->uncommitted)) {
struct block_op bop;
- r = brb_pop(&smm->uncommitted, &bop);
+ r = brb_peek(&smm->uncommitted, &bop);
if (r) {
DMERR("bug in bop ring buffer");
break;
@@ -220,6 +231,8 @@ static int apply_bops(struct sm_metadata *smm)
r = commit_bop(smm, &bop);
if (r)
break;
+
+ brb_pop(&smm->uncommitted);
}
return r;
@@ -683,7 +696,6 @@ static struct dm_space_map bootstrap_ops = {
static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
{
int r, i;
- enum allocation_event ev;
struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
dm_block_t old_len = smm->ll.nr_blocks;
@@ -705,11 +717,12 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
* allocate any new blocks.
*/
do {
- for (i = old_len; !r && i < smm->begin; i++) {
- r = sm_ll_inc(&smm->ll, i, &ev);
- if (r)
- goto out;
- }
+ for (i = old_len; !r && i < smm->begin; i++)
+ r = add_bop(smm, BOP_INC, i);
+
+ if (r)
+ goto out;
+
old_len = smm->begin;
r = apply_bops(smm);
@@ -754,7 +767,6 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
{
int r;
dm_block_t i;
- enum allocation_event ev;
struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
smm->begin = superblock + 1;
@@ -782,7 +794,7 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
* allocated blocks that they were built from.
*/
for (i = superblock; !r && i < smm->begin; i++)
- r = sm_ll_inc(&smm->ll, i, &ev);
+ r = add_bop(smm, BOP_INC, i);
if (r)
return r;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 41d70bc9ba2f..84e597e1c489 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1946,6 +1946,8 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
first = i;
fbio = r10_bio->devs[i].bio;
+ fbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ fbio->bi_iter.bi_idx = 0;
vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9);
/* now find blocks with errors */
@@ -1989,7 +1991,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
bio_reset(tbio);
tbio->bi_vcnt = vcnt;
- tbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ tbio->bi_iter.bi_size = fbio->bi_iter.bi_size;
tbio->bi_rw = WRITE;
tbio->bi_private = r10_bio;
tbio->bi_iter.bi_sector = r10_bio->devs[i].addr;
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-28 15:21:53 +0000