diff options
Diffstat (limited to 'fs/xfs/quota')
| -rw-r--r-- | fs/xfs/quota/xfs_dquot.c | 91 |
1 files changed, 43 insertions, 48 deletions
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index f152af8cfab..6526e87cade 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -54,8 +54,6 @@ flush lock - ditto. */ -STATIC void xfs_qm_dqflush_done(xfs_buf_t *, xfs_dq_logitem_t *); - #ifdef DEBUG xfs_buftarg_t *xfs_dqerror_target; int xfs_do_dqerror; @@ -1131,6 +1129,46 @@ xfs_qm_dqrele( xfs_qm_dqput(dqp); } +/* + * This is the dquot flushing I/O completion routine. It is called + * from interrupt level when the buffer containing the dquot is + * flushed to disk. It is responsible for removing the dquot logitem + * from the AIL if it has not been re-logged, and unlocking the dquot's + * flush lock. This behavior is very similar to that of inodes.. + */ +STATIC void +xfs_qm_dqflush_done( + struct xfs_buf *bp, + struct xfs_log_item *lip) +{ + xfs_dq_logitem_t *qip = (struct xfs_dq_logitem *)lip; + xfs_dquot_t *dqp = qip->qli_dquot; + struct xfs_ail *ailp = lip->li_ailp; + + /* + * We only want to pull the item from the AIL if its + * location in the log has not changed since we started the flush. + * Thus, we only bother if the dquot's lsn has + * not changed. First we check the lsn outside the lock + * since it's cheaper, and then we recheck while + * holding the lock before removing the dquot from the AIL. + */ + if ((lip->li_flags & XFS_LI_IN_AIL) && + lip->li_lsn == qip->qli_flush_lsn) { + + /* xfs_trans_ail_delete() drops the AIL lock. */ + spin_lock(&ailp->xa_lock); + if (lip->li_lsn == qip->qli_flush_lsn) + xfs_trans_ail_delete(ailp, lip); + else + spin_unlock(&ailp->xa_lock); + } + + /* + * Release the dq's flush lock since we're done with it. + */ + xfs_dqfunlock(dqp); +} /* * Write a modified dquot to disk. @@ -1212,8 +1250,9 @@ xfs_qm_dqflush( * Attach an iodone routine so that we can remove this dquot from the * AIL and release the flush lock once the dquot is synced to disk. */ - xfs_buf_attach_iodone(bp, (void(*)(xfs_buf_t *, xfs_log_item_t *)) - xfs_qm_dqflush_done, &(dqp->q_logitem.qli_item)); + xfs_buf_attach_iodone(bp, xfs_qm_dqflush_done, + &dqp->q_logitem.qli_item); + /* * If the buffer is pinned then push on the log so we won't * get stuck waiting in the write for too long. @@ -1237,50 +1276,6 @@ xfs_qm_dqflush( } -/* - * This is the dquot flushing I/O completion routine. It is called - * from interrupt level when the buffer containing the dquot is - * flushed to disk. It is responsible for removing the dquot logitem - * from the AIL if it has not been re-logged, and unlocking the dquot's - * flush lock. This behavior is very similar to that of inodes.. - */ -/*ARGSUSED*/ -STATIC void -xfs_qm_dqflush_done( - xfs_buf_t *bp, - xfs_dq_logitem_t *qip) -{ - xfs_dquot_t *dqp; - struct xfs_ail *ailp; - - dqp = qip->qli_dquot; - ailp = qip->qli_item.li_ailp; - - /* - * We only want to pull the item from the AIL if its - * location in the log has not changed since we started the flush. - * Thus, we only bother if the dquot's lsn has - * not changed. First we check the lsn outside the lock - * since it's cheaper, and then we recheck while - * holding the lock before removing the dquot from the AIL. - */ - if ((qip->qli_item.li_flags & XFS_LI_IN_AIL) && - qip->qli_item.li_lsn == qip->qli_flush_lsn) { - - /* xfs_trans_ail_delete() drops the AIL lock. */ - spin_lock(&ailp->xa_lock); - if (qip->qli_item.li_lsn == qip->qli_flush_lsn) - xfs_trans_ail_delete(ailp, (xfs_log_item_t*)qip); - else - spin_unlock(&ailp->xa_lock); - } - - /* - * Release the dq's flush lock since we're done with it. - */ - xfs_dqfunlock(dqp); -} - int xfs_qm_dqlock_nowait( xfs_dquot_t *dqp) |