writeback: rename nr_reclaimable to nr_dirty in balance_dirty_pages

Commit 8d92890bd6 ("mm/writeback: discard NR_UNSTABLE_NFS, use
NR_WRITEBACK instead") removed NR_UNSTABLE_NFS and nr_reclaimable only
contains dirty page now.  Rename nr_reclaimable to nr_dirty properly.

Link: https://lkml.kernel.org/r/20240423034643.141219-6-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Brian Foster <bfoster@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kemeng Shi 2024-04-23 11:46:43 +08:00 committed by Andrew Morton
parent 881f1bb5e2
commit 826881a7f6

View File

@ -1694,7 +1694,7 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
struct dirty_throttle_control * const mdtc = mdtc_valid(&mdtc_stor) ?
&mdtc_stor : NULL;
struct dirty_throttle_control *sdtc;
unsigned long nr_reclaimable; /* = file_dirty */
unsigned long nr_dirty;
long period;
long pause;
long max_pause;
@ -1715,9 +1715,9 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
unsigned long m_thresh = 0;
unsigned long m_bg_thresh = 0;
nr_reclaimable = global_node_page_state(NR_FILE_DIRTY);
nr_dirty = global_node_page_state(NR_FILE_DIRTY);
gdtc->avail = global_dirtyable_memory();
gdtc->dirty = nr_reclaimable + global_node_page_state(NR_WRITEBACK);
gdtc->dirty = nr_dirty + global_node_page_state(NR_WRITEBACK);
domain_dirty_limits(gdtc);
@ -1768,7 +1768,7 @@ static int balance_dirty_pages(struct bdi_writeback *wb,
* In normal mode, we start background writeout at the lower
* background_thresh, to keep the amount of dirty memory low.
*/
if (!laptop_mode && nr_reclaimable > gdtc->bg_thresh &&
if (!laptop_mode && nr_dirty > gdtc->bg_thresh &&
!writeback_in_progress(wb))
wb_start_background_writeback(wb);