dm-integrity: introduce a function add_new_range_and_wait Introduce a function add_new_range_and_wait in order to avoid repetitive code. It will be used in the following patch. Signed-off-by: Mikulas Patocka --- drivers/md/dm-integrity.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) Index: linux-2.6/drivers/md/dm-integrity.c =================================================================== --- linux-2.6.orig/drivers/md/dm-integrity.c 2019-04-16 21:22:31.000000000 +0200 +++ linux-2.6/drivers/md/dm-integrity.c 2019-04-16 21:22:31.000000000 +0200 @@ -1001,6 +1001,12 @@ static void wait_and_add_new_range(struc } while (unlikely(new_range->waiting)); } +static void add_new_range_and_wait(struct dm_integrity_c *ic, struct dm_integrity_range *new_range) +{ + if (unlikely(!add_new_range(ic, new_range, true))) + wait_and_add_new_range(ic, new_range); +} + static void init_journal_node(struct journal_node *node) { RB_CLEAR_NODE(&node->node); @@ -1995,8 +2001,7 @@ static void do_journal_write(struct dm_i io->range.n_sectors = (k - j) << ic->sb->log2_sectors_per_block; spin_lock_irq(&ic->endio_wait.lock); - if (unlikely(!add_new_range(ic, &io->range, true))) - wait_and_add_new_range(ic, &io->range); + add_new_range_and_wait(ic, &io->range); if (likely(!from_replay)) { struct journal_node *section_node = &ic->journal_tree[i * ic->journal_section_entries]; @@ -2155,8 +2160,7 @@ next_chunk: if (!ic->meta_dev) range.n_sectors = min(range.n_sectors, ((sector_t)1U << ic->sb->log2_interleave_sectors) - (unsigned)offset); - if (unlikely(!add_new_range(ic, &range, true))) - wait_and_add_new_range(ic, &range); + add_new_range_and_wait(ic, &range); spin_unlock_irq(&ic->endio_wait.lock);