Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[linux-2.6.git] / fs / fs-writeback.c
index f6af81a..aed881a 100644 (file)
@@ -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;