diff options
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 2c947da39f6e..5826992910e9 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -693,6 +693,16 @@ static inline bool over_bground_thresh(void) } /* + * Called under wb->list_lock. If there are multiple wb per bdi, + * only the flusher working on the first wb should do it. + */ +static void wb_update_bandwidth(struct bdi_writeback *wb, + unsigned long start_time) +{ + __bdi_update_bandwidth(wb->bdi, start_time); +} + +/* * Explicit flushing or periodic writeback of "old" data. * * Define "old": the first time one of an inode's pages is dirtied, we mark the @@ -710,6 +720,7 @@ static inline bool over_bground_thresh(void) static long wb_writeback(struct bdi_writeback *wb, struct wb_writeback_work *work) { + unsigned long wb_start = jiffies; long nr_pages = work->nr_pages; unsigned long oldest_jif; struct inode *inode; @@ -758,6 +769,8 @@ static long wb_writeback(struct bdi_writeback *wb, progress = __writeback_inodes_wb(wb, work); trace_writeback_written(wb->bdi, work); + wb_update_bandwidth(wb, wb_start); + /* * Did we write something? Try for more * |