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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>
This commit is contained in:
Christoph Hellwig 2015-10-05 09:31:10 +02:00 committed by NeilBrown
parent 56fef7c6e0
commit 22581f58ed
1 changed files with 4 additions and 8 deletions
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12
drivers/md/raid5-cache.c
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@ -322,16 +322,12 @@ static struct r5l_io_unit *r5l_new_meta(struct r5l_log *log)
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;
}