diff options
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index aed881a76b2..f027382b54b 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -707,6 +707,17 @@ get_next_work_item(struct backing_dev_info *bdi) return work; } +/* + * Add in the number of potentially dirty inodes, because each inode + * write can dirty pagecache in the underlying blockdev. + */ +static unsigned long get_nr_dirty_pages(void) +{ + return global_page_state(NR_FILE_DIRTY) + + global_page_state(NR_UNSTABLE_NFS) + + get_nr_dirty_inodes(); +} + static long wb_check_old_data_flush(struct bdi_writeback *wb) { unsigned long expired; @@ -724,13 +735,7 @@ static long wb_check_old_data_flush(struct bdi_writeback *wb) return 0; wb->last_old_flush = jiffies; - /* - * Add in the number of potentially dirty inodes, because each inode - * write can dirty pagecache in the underlying blockdev. - */ - nr_pages = global_page_state(NR_FILE_DIRTY) + - global_page_state(NR_UNSTABLE_NFS) + - get_nr_dirty_inodes(); + nr_pages = get_nr_dirty_pages(); if (nr_pages) { struct wb_writeback_work work = { @@ -1086,8 +1091,6 @@ static void wait_sb_inodes(struct super_block *sb) */ void writeback_inodes_sb(struct super_block *sb) { - unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY); - unsigned long nr_unstable = global_page_state(NR_UNSTABLE_NFS); DECLARE_COMPLETION_ONSTACK(done); struct wb_writeback_work work = { .sb = sb, @@ -1097,7 +1100,7 @@ void writeback_inodes_sb(struct super_block *sb) WARN_ON(!rwsem_is_locked(&sb->s_umount)); - work.nr_pages = nr_dirty + nr_unstable + get_nr_dirty_inodes(); + work.nr_pages = get_nr_dirty_pages(); bdi_queue_work(sb->s_bdi, &work); wait_for_completion(&done); |