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| author | Tejun Heo <tj@kernel.org> | 2015-05-22 17:13:54 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-06-02 08:33:36 -0600 |
| commit | 9ecf4866c018aeb304a7b49216c4d183665becb7 (patch) | |
| tree | 6ad8f200eea95b1b1fca2a121b91c97ac65ad81f /fs/fs-writeback.c | |
| parent | bc05873dccd27d75d6acdf812c3edfb181f1ba17 (diff) | |
| download | lwn-9ecf4866c018aeb304a7b49216c4d183665becb7.tar.gz lwn-9ecf4866c018aeb304a7b49216c4d183665becb7.zip | |
writeback: make bdi_start_background_writeback() take bdi_writeback instead of backing_dev_info
bdi_start_background_writeback() currently takes @bdi and kicks the
root wb (bdi_writeback). In preparation for cgroup writeback support,
make it take wb instead.
This patch doesn't make any functional difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 45baf6c89b99..92aaf641ee22 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -228,23 +228,23 @@ void wb_start_writeback(struct bdi_writeback *wb, long nr_pages, } /** - * bdi_start_background_writeback - start background writeback - * @bdi: the backing device to write from + * wb_start_background_writeback - start background writeback + * @wb: bdi_writback to write from * * Description: * This makes sure WB_SYNC_NONE background writeback happens. When - * this function returns, it is only guaranteed that for given BDI + * this function returns, it is only guaranteed that for given wb * some IO is happening if we are over background dirty threshold. * Caller need not hold sb s_umount semaphore. */ -void bdi_start_background_writeback(struct backing_dev_info *bdi) +void wb_start_background_writeback(struct bdi_writeback *wb) { /* * We just wake up the flusher thread. It will perform background * writeback as soon as there is no other work to do. */ - trace_writeback_wake_background(bdi); - wb_wakeup(&bdi->wb); + trace_writeback_wake_background(wb->bdi); + wb_wakeup(wb); } /* |