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-rw-r--r--fs/fs-writeback.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index f6af81add45..aed881a76b2 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -586,7 +586,7 @@ static inline bool over_bground_thresh(void)
global_dirty_limits(&background_thresh, &dirty_thresh);
return (global_page_state(NR_FILE_DIRTY) +
- global_page_state(NR_UNSTABLE_NFS) >= background_thresh);
+ global_page_state(NR_UNSTABLE_NFS) > background_thresh);
}
/*
@@ -724,6 +724,10 @@ 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();
@@ -793,7 +797,7 @@ int bdi_writeback_thread(void *data)
struct backing_dev_info *bdi = wb->bdi;
long pages_written;
- current->flags |= PF_FLUSHER | PF_SWAPWRITE;
+ current->flags |= PF_SWAPWRITE;
set_freezable();
wb->last_active = jiffies;