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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 commit.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
hifive-unleashed-5.2
Mikulas Patocka 2019-04-29 14:57:22 +02:00 committed by Mike Snitzer
parent 4f43446ddf
commit 8b3bbd490d
1 changed files with 8 additions and 4 deletions
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12
drivers/md/dm-integrity.c
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@ -1001,6 +1001,12 @@ static void wait_and_add_new_range(struct dm_integrity_c *ic, struct dm_integrit
} 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_integrity_c *ic, unsigned write_start,
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);