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[net-next-2.6.git] / fs / fs-writeback.c

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ab38fef1c9a1a52eab7128fa6a7dad217d4ad744..9e46aec10d1aaaec3a4f0fe968ebc99412f09713 100644 (file)
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -582,7 +582,7 @@ 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);
 }
 
 /*
@@ -721,6 +721,10 @@ 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) +
                        (inodes_stat.nr_inodes - inodes_stat.nr_unused);
@@ -790,7 +794,7 @@ 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;