writeback: writeback_inodes_sb() should use bdi_start_writeback()

Pointless to iterate other devices looking for a super, when
we have a bdi mapping.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-09-25 17:15:03 +02:00
parent b3af9468ae
commit 56a131dcf7

View File

@ -1206,7 +1206,7 @@ void writeback_inodes_sb(struct super_block *sb)
nr_to_write = nr_dirty + nr_unstable +
(inodes_stat.nr_inodes - inodes_stat.nr_unused);
bdi_writeback_all(sb, nr_to_write);
bdi_start_writeback(sb->s_bdi, nr_to_write);
}
EXPORT_SYMBOL(writeback_inodes_sb);