On Wed 20-09-17 09:32:57, Jens Axboe wrote: > Everybody is passing in 0 now, let's get rid of the argument. > > Signed-off-by: Jens Axboe <[email protected]>
Looks good. You can add: Reviewed-by: Jan Kara <[email protected]> Honza > --- > fs/buffer.c | 2 +- > fs/fs-writeback.c | 9 ++++----- > fs/sync.c | 2 +- > include/linux/writeback.h | 2 +- > mm/vmscan.c | 2 +- > 5 files changed, 8 insertions(+), 9 deletions(-) > > diff --git a/fs/buffer.c b/fs/buffer.c > index 9471a445e370..cf71926797d3 100644 > --- a/fs/buffer.c > +++ b/fs/buffer.c > @@ -260,7 +260,7 @@ static void free_more_memory(void) > struct zoneref *z; > int nid; > > - wakeup_flusher_threads(0, WB_REASON_FREE_MORE_MEM); > + wakeup_flusher_threads(WB_REASON_FREE_MORE_MEM); > yield(); > > for_each_online_node(nid) { > diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c > index 245c430a2e41..bb6148dc6d24 100644 > --- a/fs/fs-writeback.c > +++ b/fs/fs-writeback.c > @@ -1947,12 +1947,12 @@ void wb_workfn(struct work_struct *work) > } > > /* > - * Start writeback of `nr_pages' pages. If `nr_pages' is zero, write back > - * the whole world. > + * Wakeup the flusher threads to start writeback of all currently dirty pages > */ > -void wakeup_flusher_threads(long nr_pages, enum wb_reason reason) > +void wakeup_flusher_threads(enum wb_reason reason) > { > struct backing_dev_info *bdi; > + long nr_pages; > > /* > * If we are expecting writeback progress we must submit plugged IO. > @@ -1960,8 +1960,7 @@ void wakeup_flusher_threads(long nr_pages, enum > wb_reason reason) > if (blk_needs_flush_plug(current)) > blk_schedule_flush_plug(current); > > - if (!nr_pages) > - nr_pages = get_nr_dirty_pages(); > + nr_pages = get_nr_dirty_pages(); > > rcu_read_lock(); > list_for_each_entry_rcu(bdi, &bdi_list, bdi_list) { > diff --git a/fs/sync.c b/fs/sync.c > index a576aa2e6b09..09f96a18dd93 100644 > --- a/fs/sync.c > +++ b/fs/sync.c > @@ -108,7 +108,7 @@ SYSCALL_DEFINE0(sync) > { > int nowait = 0, wait = 1; > > - wakeup_flusher_threads(0, WB_REASON_SYNC); > + wakeup_flusher_threads(WB_REASON_SYNC); > iterate_supers(sync_inodes_one_sb, NULL); > iterate_supers(sync_fs_one_sb, &nowait); > iterate_supers(sync_fs_one_sb, &wait); > diff --git a/include/linux/writeback.h b/include/linux/writeback.h > index d5815794416c..1f9c6db5e29a 100644 > --- a/include/linux/writeback.h > +++ b/include/linux/writeback.h > @@ -189,7 +189,7 @@ bool try_to_writeback_inodes_sb(struct super_block *, > enum wb_reason reason); > bool try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr, > enum wb_reason reason); > void sync_inodes_sb(struct super_block *); > -void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); > +void wakeup_flusher_threads(enum wb_reason reason); > void inode_wait_for_writeback(struct inode *inode); > > /* writeback.h requires fs.h; it, too, is not included from here. */ > diff --git a/mm/vmscan.c b/mm/vmscan.c > index 13d711dd8776..42a7fdd52d87 100644 > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -1867,7 +1867,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct > lruvec *lruvec, > * also allow kswapd to start writing pages during reclaim. > */ > if (stat.nr_unqueued_dirty == nr_taken) { > - wakeup_flusher_threads(0, WB_REASON_VMSCAN); > + wakeup_flusher_threads(WB_REASON_VMSCAN); > set_bit(PGDAT_DIRTY, &pgdat->flags); > } > > -- > 2.7.4 > -- Jan Kara <[email protected]> SUSE Labs, CR
