raid5-cache: clean up r5l_get_meta
Remove the only partially used local 'io' variable to simplify the code
flow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index a7ee7ec..29db786 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -322,16 +322,12 @@
static int r5l_get_meta(struct r5l_log *log, unsigned int payload_size)
{
- struct r5l_io_unit *io;
-
- io = log->current_io;
- if (io && io->meta_offset + payload_size > PAGE_SIZE)
+ if (log->current_io &&
+ log->current_io->meta_offset + payload_size > PAGE_SIZE)
r5l_submit_current_io(log);
- io = log->current_io;
- if (io)
- return 0;
- log->current_io = r5l_new_meta(log);
+ if (!log->current_io)
+ log->current_io = r5l_new_meta(log);
return 0;
}