return 0;
}
- if (inode->i_state & (I_NEW | I_WILL_FREE)) {
+ /*
+ * Don't bother with new inodes or inodes beeing freed, first
+ * kind does not need peridic writeout yet, and for the latter
+ * kind writeout is handled by the freer.
+ */
+ if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) {
requeue_io(inode);
continue;
}
+
/*
* Was this inode dirtied after sync_sb_inodes was called?
* This keeps sync from extra jobs and livelock.
if (inode_dirtied_after(inode, wbc->wb_start))
return 1;
- BUG_ON(inode->i_state & I_FREEING);
__iget(inode);
pages_skipped = wbc->pages_skipped;
writeback_single_inode(inode, wbc);
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);
}
/*
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();
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;