long nr_pages;
struct super_block *sb;
enum writeback_sync_modes sync_mode;
- int for_kupdate:1;
- int range_cyclic:1;
- int for_background:1;
+ unsigned int for_kupdate:1;
+ unsigned int range_cyclic:1;
+ unsigned int for_background:1;
};
/*
wait_queue_head_t *wqh;
wqh = bit_waitqueue(&inode->i_state, __I_SYNC);
- do {
+ while (inode->i_state & I_SYNC) {
spin_unlock(&inode_lock);
__wait_on_bit(wqh, &wq, inode_wait, TASK_UNINTERRUPTIBLE);
spin_lock(&inode_lock);
- } while (inode->i_state & I_SYNC);
+ }
}
/*
BUG_ON(inode->i_state & I_SYNC);
- /* Set I_SYNC, reset I_DIRTY */
- dirty = inode->i_state & I_DIRTY;
+ /* Set I_SYNC, reset I_DIRTY_PAGES */
inode->i_state |= I_SYNC;
- inode->i_state &= ~I_DIRTY;
-
+ inode->i_state &= ~I_DIRTY_PAGES;
spin_unlock(&inode_lock);
ret = do_writepages(mapping, wbc);
ret = err;
}
+ /*
+ * Some filesystems may redirty the inode during the writeback
+ * due to delalloc, clear dirty metadata flags right before
+ * write_inode()
+ */
+ spin_lock(&inode_lock);
+ dirty = inode->i_state & I_DIRTY;
+ inode->i_state &= ~(I_DIRTY_SYNC | I_DIRTY_DATASYNC);
+ spin_unlock(&inode_lock);
/* Don't write the inode if only I_DIRTY_PAGES was set */
if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
int err = write_inode(inode, wbc);
if (dirty_writeback_interval) {
wait_jiffies = msecs_to_jiffies(dirty_writeback_interval * 10);
schedule_timeout_interruptible(wait_jiffies);
- } else
- schedule();
+ } else {
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (list_empty_careful(&wb->bdi->work_list) &&
+ !kthread_should_stop())
+ schedule();
+ __set_current_state(TASK_RUNNING);
+ }
try_to_freeze();
}