diff options
Diffstat (limited to 'fs/xfs/quota/xfs_dquot.c')
| -rw-r--r-- | fs/xfs/quota/xfs_dquot.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index f2705f2fd43..591ca6602bf 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -101,7 +101,7 @@ xfs_qm_dqinit( if (brandnewdquot) { dqp->dq_flnext = dqp->dq_flprev = dqp; mutex_init(&dqp->q_qlock); - sv_init(&dqp->q_pinwait, SV_DEFAULT, "pdq"); + init_waitqueue_head(&dqp->q_pinwait); /* * Because we want to use a counting completion, complete @@ -131,7 +131,7 @@ xfs_qm_dqinit( dqp->q_res_bcount = 0; dqp->q_res_icount = 0; dqp->q_res_rtbcount = 0; - dqp->q_pincount = 0; + atomic_set(&dqp->q_pincount, 0); dqp->q_hash = NULL; ASSERT(dqp->dq_flnext == dqp->dq_flprev); @@ -1221,16 +1221,14 @@ xfs_qm_dqflush( xfs_dqtrace_entry(dqp, "DQFLUSH"); /* - * If not dirty, nada. + * If not dirty, or it's pinned and we are not supposed to + * block, nada. */ - if (!XFS_DQ_IS_DIRTY(dqp)) { + if (!XFS_DQ_IS_DIRTY(dqp) || + (!(flags & XFS_QMOPT_SYNC) && atomic_read(&dqp->q_pincount) > 0)) { xfs_dqfunlock(dqp); - return (0); + return 0; } - - /* - * Cant flush a pinned dquot. Wait for it. - */ xfs_qm_dqunpin_wait(dqp); /* @@ -1274,10 +1272,8 @@ xfs_qm_dqflush( dqp->dq_flags &= ~(XFS_DQ_DIRTY); mp = dqp->q_mount; - /* lsn is 64 bits */ - spin_lock(&mp->m_ail_lock); - dqp->q_logitem.qli_flush_lsn = dqp->q_logitem.qli_item.li_lsn; - spin_unlock(&mp->m_ail_lock); + xfs_trans_ail_copy_lsn(mp->m_ail, &dqp->q_logitem.qli_flush_lsn, + &dqp->q_logitem.qli_item.li_lsn); /* * Attach an iodone routine so that we can remove this dquot from the @@ -1323,8 +1319,10 @@ xfs_qm_dqflush_done( 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 @@ -1337,15 +1335,12 @@ xfs_qm_dqflush_done( if ((qip->qli_item.li_flags & XFS_LI_IN_AIL) && qip->qli_item.li_lsn == qip->qli_flush_lsn) { - spin_lock(&dqp->q_mount->m_ail_lock); - /* - * xfs_trans_delete_ail() drops the AIL lock. - */ + /* 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_delete_ail(dqp->q_mount, - (xfs_log_item_t*)qip); + xfs_trans_ail_delete(ailp, (xfs_log_item_t*)qip); else - spin_unlock(&dqp->q_mount->m_ail_lock); + spin_unlock(&ailp->xa_lock); } /* @@ -1375,7 +1370,7 @@ xfs_dqunlock( mutex_unlock(&(dqp->q_qlock)); if (dqp->q_logitem.qli_dquot == dqp) { /* Once was dqp->q_mount, but might just have been cleared */ - xfs_trans_unlocked_item(dqp->q_logitem.qli_item.li_mountp, + xfs_trans_unlocked_item(dqp->q_logitem.qli_item.li_ailp, (xfs_log_item_t*)&(dqp->q_logitem)); } } @@ -1489,7 +1484,7 @@ xfs_qm_dqpurge( "xfs_qm_dqpurge: dquot %p flush failed", dqp); xfs_dqflock(dqp); } - ASSERT(dqp->q_pincount == 0); + ASSERT(atomic_read(&dqp->q_pincount) == 0); ASSERT(XFS_FORCED_SHUTDOWN(mp) || !(dqp->q_logitem.qli_item.li_flags & XFS_LI_IN_AIL)); |