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-rw-r--r--drivers/md/bcache/super.c2
-rw-r--r--drivers/md/dm-ebs-target.c2
-rw-r--r--drivers/md/dm-thin.c5
-rw-r--r--drivers/md/dm-verity-fec.c59
-rw-r--r--drivers/md/dm-zoned-reclaim.c6
-rw-r--r--drivers/md/persistent-data/dm-array.c19
6 files changed, 49 insertions, 44 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index e7abfdd77c3b..e42f1400cea9 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1718,7 +1718,7 @@ static CLOSURE_CALLBACK(cache_set_flush)
if (!IS_ERR_OR_NULL(c->gc_thread))
kthread_stop(c->gc_thread);
- if (!IS_ERR(c->root))
+ if (!IS_ERR_OR_NULL(c->root))
list_add(&c->root->list, &c->btree_cache);
/*
diff --git a/drivers/md/dm-ebs-target.c b/drivers/md/dm-ebs-target.c
index ec5db1478b2f..18ae45dcbfb2 100644
--- a/drivers/md/dm-ebs-target.c
+++ b/drivers/md/dm-ebs-target.c
@@ -442,7 +442,7 @@ static int ebs_iterate_devices(struct dm_target *ti,
static struct target_type ebs_target = {
.name = "ebs",
.version = {1, 0, 1},
- .features = DM_TARGET_PASSES_INTEGRITY,
+ .features = 0,
.module = THIS_MODULE,
.ctr = ebs_ctr,
.dtr = ebs_dtr,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index bf0f9dddd146..05cf4e3f2bbe 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2332,10 +2332,9 @@ static struct thin_c *get_first_thin(struct pool *pool)
struct thin_c *tc = NULL;
rcu_read_lock();
- if (!list_empty(&pool->active_thins)) {
- tc = list_entry_rcu(pool->active_thins.next, struct thin_c, list);
+ tc = list_first_or_null_rcu(&pool->active_thins, struct thin_c, list);
+ if (tc)
thin_get(tc);
- }
rcu_read_unlock();
return tc;
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 62b1a44b8dd2..e61855da6461 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -40,35 +40,23 @@ static inline u64 fec_interleave(struct dm_verity *v, u64 offset)
}
/*
- * Decode an RS block using Reed-Solomon.
- */
-static int fec_decode_rs8(struct dm_verity *v, struct dm_verity_fec_io *fio,
- u8 *data, u8 *fec, int neras)
-{
- int i;
- uint16_t par[DM_VERITY_FEC_RSM - DM_VERITY_FEC_MIN_RSN];
-
- for (i = 0; i < v->fec->roots; i++)
- par[i] = fec[i];
-
- return decode_rs8(fio->rs, data, par, v->fec->rsn, NULL, neras,
- fio->erasures, 0, NULL);
-}
-
-/*
* Read error-correcting codes for the requested RS block. Returns a pointer
* to the data block. Caller is responsible for releasing buf.
*/
static u8 *fec_read_parity(struct dm_verity *v, u64 rsb, int index,
- unsigned int *offset, struct dm_buffer **buf,
- unsigned short ioprio)
+ unsigned int *offset, unsigned int par_buf_offset,
+ struct dm_buffer **buf, unsigned short ioprio)
{
u64 position, block, rem;
u8 *res;
+ /* We have already part of parity bytes read, skip to the next block */
+ if (par_buf_offset)
+ index++;
+
position = (index + rsb) * v->fec->roots;
block = div64_u64_rem(position, v->fec->io_size, &rem);
- *offset = (unsigned int)rem;
+ *offset = par_buf_offset ? 0 : (unsigned int)rem;
res = dm_bufio_read_with_ioprio(v->fec->bufio, block, buf, ioprio);
if (IS_ERR(res)) {
@@ -128,11 +116,13 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_io *io,
{
int r, corrected = 0, res;
struct dm_buffer *buf;
- unsigned int n, i, offset;
+ unsigned int n, i, j, offset, par_buf_offset = 0;
+ uint16_t par_buf[DM_VERITY_FEC_RSM - DM_VERITY_FEC_MIN_RSN];
u8 *par, *block;
struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size);
- par = fec_read_parity(v, rsb, block_offset, &offset, &buf, bio_prio(bio));
+ par = fec_read_parity(v, rsb, block_offset, &offset,
+ par_buf_offset, &buf, bio_prio(bio));
if (IS_ERR(par))
return PTR_ERR(par);
@@ -142,7 +132,11 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_io *io,
*/
fec_for_each_buffer_rs_block(fio, n, i) {
block = fec_buffer_rs_block(v, fio, n, i);
- res = fec_decode_rs8(v, fio, block, &par[offset], neras);
+ for (j = 0; j < v->fec->roots - par_buf_offset; j++)
+ par_buf[par_buf_offset + j] = par[offset + j];
+ /* Decode an RS block using Reed-Solomon */
+ res = decode_rs8(fio->rs, block, par_buf, v->fec->rsn,
+ NULL, neras, fio->erasures, 0, NULL);
if (res < 0) {
r = res;
goto error;
@@ -155,12 +149,22 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_io *io,
if (block_offset >= 1 << v->data_dev_block_bits)
goto done;
- /* read the next block when we run out of parity bytes */
- offset += v->fec->roots;
+ /* Read the next block when we run out of parity bytes */
+ offset += (v->fec->roots - par_buf_offset);
+ /* Check if parity bytes are split between blocks */
+ if (offset < v->fec->io_size && (offset + v->fec->roots) > v->fec->io_size) {
+ par_buf_offset = v->fec->io_size - offset;
+ for (j = 0; j < par_buf_offset; j++)
+ par_buf[j] = par[offset + j];
+ offset += par_buf_offset;
+ } else
+ par_buf_offset = 0;
+
if (offset >= v->fec->io_size) {
dm_bufio_release(buf);
- par = fec_read_parity(v, rsb, block_offset, &offset, &buf, bio_prio(bio));
+ par = fec_read_parity(v, rsb, block_offset, &offset,
+ par_buf_offset, &buf, bio_prio(bio));
if (IS_ERR(par))
return PTR_ERR(par);
}
@@ -724,10 +728,7 @@ int verity_fec_ctr(struct dm_verity *v)
return -E2BIG;
}
- if ((f->roots << SECTOR_SHIFT) & ((1 << v->data_dev_block_bits) - 1))
- f->io_size = 1 << v->data_dev_block_bits;
- else
- f->io_size = v->fec->roots << SECTOR_SHIFT;
+ f->io_size = 1 << v->data_dev_block_bits;
f->bufio = dm_bufio_client_create(f->dev->bdev,
f->io_size,
diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index d58db9a27e6c..76e2c6868548 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -76,9 +76,9 @@ static int dmz_reclaim_align_wp(struct dmz_reclaim *zrc, struct dm_zone *zone,
* pointer and the requested position.
*/
nr_blocks = block - wp_block;
- ret = blkdev_issue_zeroout(dev->bdev,
- dmz_start_sect(zmd, zone) + dmz_blk2sect(wp_block),
- dmz_blk2sect(nr_blocks), GFP_NOIO, 0);
+ ret = blk_zone_issue_zeroout(dev->bdev,
+ dmz_start_sect(zmd, zone) + dmz_blk2sect(wp_block),
+ dmz_blk2sect(nr_blocks), GFP_NOIO);
if (ret) {
dmz_dev_err(dev,
"Align zone %u wp %llu to %llu (wp+%u) blocks failed %d",
diff --git a/drivers/md/persistent-data/dm-array.c b/drivers/md/persistent-data/dm-array.c
index 157c9bd2fed7..8f8792e55806 100644
--- a/drivers/md/persistent-data/dm-array.c
+++ b/drivers/md/persistent-data/dm-array.c
@@ -917,23 +917,27 @@ static int load_ablock(struct dm_array_cursor *c)
if (c->block)
unlock_ablock(c->info, c->block);
- c->block = NULL;
- c->ab = NULL;
c->index = 0;
r = dm_btree_cursor_get_value(&c->cursor, &key, &value_le);
if (r) {
DMERR("dm_btree_cursor_get_value failed");
- dm_btree_cursor_end(&c->cursor);
+ goto out;
} else {
r = get_ablock(c->info, le64_to_cpu(value_le), &c->block, &c->ab);
if (r) {
DMERR("get_ablock failed");
- dm_btree_cursor_end(&c->cursor);
+ goto out;
}
}
+ return 0;
+
+out:
+ dm_btree_cursor_end(&c->cursor);
+ c->block = NULL;
+ c->ab = NULL;
return r;
}
@@ -956,10 +960,10 @@ EXPORT_SYMBOL_GPL(dm_array_cursor_begin);
void dm_array_cursor_end(struct dm_array_cursor *c)
{
- if (c->block) {
+ if (c->block)
unlock_ablock(c->info, c->block);
- dm_btree_cursor_end(&c->cursor);
- }
+
+ dm_btree_cursor_end(&c->cursor);
}
EXPORT_SYMBOL_GPL(dm_array_cursor_end);
@@ -999,6 +1003,7 @@ int dm_array_cursor_skip(struct dm_array_cursor *c, uint32_t count)
}
count -= remaining;
+ c->index += (remaining - 1);
r = dm_array_cursor_next(c);
} while (!r);
generated by cgit v1.2.3 (git 2.39.0) at 2025-07-31 04:30:31 +0300