-/*
- * This is called when IOP_TRYLOCK returns XFS_ITEM_PUSHBUF to indicate that
- * the dquot is locked by us, but the flush lock isn't. So, here we are
- * going to see if the relevant dquot buffer is incore, waiting on DELWRI.
- * If so, we want to push it out to help us take this item off the AIL as soon
- * as possible.
- *
- * We must not be holding the AIL lock at this point. Calling incore() to
- * search the buffer cache can be a time consuming thing, and AIL lock is a
- * spinlock.
- */
-STATIC bool
-xfs_qm_dquot_logitem_pushbuf(
- struct xfs_log_item *lip)
-{
- struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
- struct xfs_dquot *dqp = qlip->qli_dquot;
- struct xfs_buf *bp;
- bool ret = true;
-
- ASSERT(XFS_DQ_IS_LOCKED(dqp));
-
- /*
- * If flushlock isn't locked anymore, chances are that the
- * inode flush completed and the inode was taken off the AIL.
- * So, just get out.
- */
- if (completion_done(&dqp->q_flush) ||
- !(lip->li_flags & XFS_LI_IN_AIL)) {
- xfs_dqunlock(dqp);
- return true;
- }
-
- bp = xfs_incore(dqp->q_mount->m_ddev_targp, qlip->qli_format.qlf_blkno,
- dqp->q_mount->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK);
- xfs_dqunlock(dqp);
- if (!bp)
- return true;
- if (XFS_BUF_ISDELAYWRITE(bp))
- xfs_buf_delwri_promote(bp);
- if (xfs_buf_ispinned(bp))
- ret = false;
- xfs_buf_relse(bp);
- return ret;
-}
-
-/*
- * This is called to attempt to lock the dquot associated with this
- * dquot log item. Don't sleep on the dquot lock or the flush lock.
- * If the flush lock is already held, indicating that the dquot has
- * been or is in the process of being flushed, then see if we can
- * find the dquot's buffer in the buffer cache without sleeping. If
- * we can and it is marked delayed write, then we want to send it out.
- * We delay doing so until the push routine, though, to avoid sleeping
- * in any device strategy routines.
- */