Commit 9ba4b2df authored by Jens Axboe's avatar Jens Axboe

fs: kill 'nr_pages' argument from wakeup_flusher_threads()

Everybody is passing in 0 now, let's get rid of the argument.
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent bc48f001
......@@ -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.
......@@ -1960,7 +1960,6 @@ 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();
rcu_read_lock();
......
......@@ -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);
......
......@@ -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. */
......
......@@ -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);
}
......
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