From: Heinz Mauelshagen <heinzm@xxxxxxxxxx>
Signed-off-by: Heinz Mauelshagen <heinzm@xxxxxxxxxx>
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
---
drivers/md/dm-integrity.c | 48 ++++++++-----------
drivers/md/dm-stats.c | 9 ++--
drivers/md/dm-stripe.c | 10 ++--
drivers/md/dm-thin-metadata.c | 4 +-
drivers/md/dm-writecache.c | 7 ++-
drivers/md/persistent-data/dm-btree-spine.c | 6 +--
.../md/persistent-data/dm-space-map-disk.c | 9 ++--
7 files changed, 37 insertions(+), 56 deletions(-)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 6a9c11abc5e3..76a518f54bd2 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -630,11 +630,10 @@ static bool block_bitmap_op(struct dm_integrity_c *ic, struct page_list *bitmap,
end_bit %= PAGE_SIZE * 8;
repeat:
- if (page < end_page) {
+ if (page < end_page)
this_end_bit = PAGE_SIZE * 8 - 1;
- } else {
+ else
this_end_bit = end_bit;
- }
data = lowmem_page_address(bitmap[page].page);
@@ -1251,13 +1250,12 @@ static bool add_new_range(struct dm_integrity_c *ic, struct dm_integrity_range *
struct dm_integrity_range *range = container_of(*n, struct dm_integrity_range, node);
parent = *n;
- if (new_range->logical_sector + new_range->n_sectors <= range->logical_sector) {
+ if (new_range->logical_sector + new_range->n_sectors <= range->logical_sector)
n = &range->node.rb_left;
- } else if (new_range->logical_sector >= range->logical_sector + range->n_sectors) {
+ else if (new_range->logical_sector >= range->logical_sector + range->n_sectors)
n = &range->node.rb_right;
- } else {
+ else
return false;
- }
}
rb_link_node(&new_range->node, parent, n);
@@ -1364,15 +1362,14 @@ static unsigned int find_journal_node(struct dm_integrity_c *ic, sector_t sector
while (n) {
struct journal_node *j = container_of(n, struct journal_node, node);
- if (sector == j->sector) {
+ if (sector == j->sector)
found = j - ic->journal_tree;
- }
+
if (sector < j->sector) {
*next_sector = j->sector;
n = j->node.rb_left;
- } else {
+ } else
n = j->node.rb_right;
- }
}
return found;
@@ -1501,9 +1498,8 @@ static int dm_integrity_rw_tag(struct dm_integrity_c *ic, unsigned char *tag, se
*metadata_offset = 0;
}
- if (unlikely(!is_power_of_2(ic->tag_size))) {
+ if (unlikely(!is_power_of_2(ic->tag_size)))
hash_offset = (hash_offset + to_copy) % ic->tag_size;
- }
total_size -= to_copy;
} while (unlikely(total_size));
@@ -2104,14 +2100,12 @@ static bool __journal_read_write(struct dm_integrity_io *dio, struct bio *bio,
smp_mb();
if (unlikely(waitqueue_active(&ic->copy_to_journal_wait)))
wake_up(&ic->copy_to_journal_wait);
- if (READ_ONCE(ic->free_sectors) <= ic->free_sectors_threshold) {
+ if (READ_ONCE(ic->free_sectors) <= ic->free_sectors_threshold)
queue_work(ic->commit_wq, &ic->commit_work);
- } else {
+ else
schedule_autocommit(ic);
- }
- } else {
+ } else
remove_range(ic, &dio->range);
- }
if (unlikely(bio->bi_iter.bi_size)) {
sector_t area, offset;
@@ -2569,9 +2563,8 @@ static void do_journal_write(struct dm_integrity_c *ic, unsigned int write_start
mempool_free(io, &ic->journal_io_mempool);
goto skip_io;
}
- for (l = j; l < k; l++) {
+ for (l = j; l < k; l++)
remove_journal_node(ic, §ion_node[l]);
- }
}
spin_unlock_irq(&ic->endio_wait.lock);
@@ -2598,9 +2591,8 @@ static void do_journal_write(struct dm_integrity_c *ic, unsigned int write_start
journal_entry_set_unused(je2);
r = dm_integrity_rw_tag(ic, journal_entry_tag(ic, je2), &metadata_block, &metadata_offset,
ic->tag_size, TAG_WRITE);
- if (unlikely(r)) {
+ if (unlikely(r))
dm_integrity_io_error(ic, "reading tags", r);
- }
}
atomic_inc(&comp.in_flight);
@@ -2711,9 +2703,9 @@ static void integrity_recalc(struct work_struct *w)
n_sectors = range.n_sectors;
if (ic->mode == 'B') {
- if (block_bitmap_op(ic, ic->recalc_bitmap, logical_sector, n_sectors, BITMAP_OP_TEST_ALL_CLEAR)) {
+ if (block_bitmap_op(ic, ic->recalc_bitmap, logical_sector, n_sectors, BITMAP_OP_TEST_ALL_CLEAR))
goto advance_and_next;
- }
+
while (block_bitmap_op(ic, ic->recalc_bitmap, logical_sector,
ic->sectors_per_block, BITMAP_OP_TEST_ALL_CLEAR)) {
logical_sector += ic->sectors_per_block;
@@ -2732,9 +2724,9 @@ static void integrity_recalc(struct work_struct *w)
if (unlikely(++super_counter == RECALC_WRITE_SUPER)) {
recalc_write_super(ic);
- if (ic->mode == 'B') {
+ if (ic->mode == 'B')
queue_delayed_work(ic->commit_wq, &ic->bitmap_flush_work, ic->bitmap_flush_interval);
- }
+
super_counter = 0;
}
@@ -4417,9 +4409,9 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned int argc, char **argv
log2_blocks_per_bitmap_bit = log2_sectors_per_bitmap_bit - ic->sb->log2_sectors_per_block;
ic->log2_blocks_per_bitmap_bit = log2_blocks_per_bitmap_bit;
- if (should_write_sb) {
+ if (should_write_sb)
ic->sb->log2_blocks_per_bitmap_bit = log2_blocks_per_bitmap_bit;
- }
+
n_bitmap_bits = ((ic->provided_data_sectors >> ic->sb->log2_sectors_per_block)
+ (((sector_t)1 << log2_blocks_per_bitmap_bit) - 1)) >> log2_blocks_per_bitmap_bit;
ic->n_bitmap_blocks = DIV_ROUND_UP(n_bitmap_bits, BITMAP_BLOCK_SIZE * 8);
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 8937bfbdcdc1..12d17b1a83a9 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -601,12 +601,10 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry,
while (lo + 1 < hi) {
unsigned int mid = (lo + hi) / 2;
- if (s->histogram_boundaries[mid - 1] > duration) {
+ if (s->histogram_boundaries[mid - 1] > duration)
hi = mid;
- } else {
+ else
lo = mid;
- }
-
}
p->histogram[lo]++;
}
@@ -900,9 +898,8 @@ static int dm_stats_print(struct dm_stats *stats, int id,
if (s->n_histogram_entries) {
unsigned int i;
- for (i = 0; i < s->n_histogram_entries + 1; i++) {
+ for (i = 0; i < s->n_histogram_entries + 1; i++)
DMEMIT("%s%llu", !i ? " " : ":", shared->tmp.histogram[i]);
- }
}
DMEMIT("\n");
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index caa1565e6143..e4eb729ee71a 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -369,14 +369,12 @@ static void stripe_status(struct dm_target *ti, status_type_t type,
switch (type) {
case STATUSTYPE_INFO:
DMEMIT("%d ", sc->stripes);
- for (i = 0; i < sc->stripes; i++) {
+ for (i = 0; i < sc->stripes; i++)
DMEMIT("%s ", sc->stripe[i].dev->name);
- }
+
DMEMIT("1 ");
- for (i = 0; i < sc->stripes; i++) {
- DMEMIT("%c", atomic_read(&(sc->stripe[i].error_count)) ?
- 'D' : 'A');
- }
+ for (i = 0; i < sc->stripes; i++)
+ DMEMIT("%c", atomic_read(&(sc->stripe[i].error_count)) ? 'D' : 'A');
break;
case STATUSTYPE_TABLE:
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 93a0ce0cfc2a..71720c8712f6 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1536,9 +1536,9 @@ static int __find_block(struct dm_thin_device *td, dm_block_t block,
dm_block_t keys[2] = { td->id, block };
struct dm_btree_info *info;
- if (can_issue_io) {
+ if (can_issue_io)
info = &pmd->info;
- } else
+ else
info = &pmd->nb_info;
r = dm_btree_lookup(info, pmd->root, keys, &value);
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 3b012dbfb069..0c89b884fe54 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -1984,9 +1984,8 @@ static void writecache_writeback(struct work_struct *work)
goto restart;
}
- if (wc->overwrote_committed) {
+ if (wc->overwrote_committed)
writecache_wait_for_ios(wc, WRITE);
- }
n_walked = 0;
INIT_LIST_HEAD(&skipped);
@@ -2015,9 +2014,9 @@ static void writecache_writeback(struct work_struct *work)
} else
e = container_of(wc->lru.prev, struct wc_entry, lru);
BUG_ON(e->write_in_progress);
- if (unlikely(!writecache_entry_is_committed(wc, e))) {
+ if (unlikely(!writecache_entry_is_committed(wc, e)))
writecache_flush(wc);
- }
+
node = rb_prev(&e->rb_node);
if (node) {
f = container_of(node, struct wc_entry, rb_node);
diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c
index be1792d85041..f44bf974f5a5 100644
--- a/drivers/md/persistent-data/dm-btree-spine.c
+++ b/drivers/md/persistent-data/dm-btree-spine.c
@@ -133,9 +133,8 @@ void exit_ro_spine(struct ro_spine *s)
{
int i;
- for (i = 0; i < s->count; i++) {
+ for (i = 0; i < s->count; i++)
unlock_block(s->info, s->nodes[i]);
- }
}
int ro_step(struct ro_spine *s, dm_block_t new_child)
@@ -184,9 +183,8 @@ void exit_shadow_spine(struct shadow_spine *s)
{
int i;
- for (i = 0; i < s->count; i++) {
+ for (i = 0; i < s->count; i++)
unlock_block(s->info, s->nodes[i]);
- }
}
int shadow_step(struct shadow_spine *s, dm_block_t b,
diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
index c06d9070267f..2938080697c8 100644
--- a/drivers/md/persistent-data/dm-space-map-disk.c
+++ b/drivers/md/persistent-data/dm-space-map-disk.c
@@ -95,9 +95,8 @@ static int sm_disk_set_count(struct dm_space_map *sm, dm_block_t b,
struct sm_disk *smd = container_of(sm, struct sm_disk, sm);
r = sm_ll_insert(&smd->ll, b, count, &nr_allocations);
- if (!r) {
+ if (!r)
smd->nr_allocated_this_transaction += nr_allocations;
- }
return r;
}
@@ -138,22 +137,20 @@ static int sm_disk_new_block(struct dm_space_map *sm, dm_block_t *b)
* Any block we allocate has to be free in both the old and current ll.
*/
r = sm_ll_find_common_free_block(&smd->old_ll, &smd->ll, smd->begin, smd->ll.nr_blocks, b);
- if (r == -ENOSPC) {
+ if (r == -ENOSPC)
/*
* There's no free block between smd->begin and the end of the metadata device.
* We search before smd->begin in case something has been freed.
*/
r = sm_ll_find_common_free_block(&smd->old_ll, &smd->ll, 0, smd->begin, b);
- }
if (r)
return r;
smd->begin = *b + 1;
r = sm_ll_inc(&smd->ll, *b, *b + 1, &nr_allocations);
- if (!r) {
+ if (!r)
smd->nr_allocated_this_transaction += nr_allocations;
- }
return r;
}
--
2.37.0 (Apple Git-136)
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://listman.redhat.com/mailman/listinfo/dm-devel
