1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2000-2003 Silicon Graphics, Inc.
54 	qlf->qlf_type = XFS_LI_DQUOT;  in xfs_qm_dquot_logitem_format()
55 	qlf->qlf_size = 2;  in xfs_qm_dquot_logitem_format()
56 	qlf->qlf_id = qlip->qli_dquot->q_id;  in xfs_qm_dquot_logitem_format()
57 	qlf->qlf_blkno = qlip->qli_dquot->q_blkno;  in xfs_qm_dquot_logitem_format()
58 	qlf->qlf_len = 1;  in xfs_qm_dquot_logitem_format()
59 	qlf->qlf_boffset = qlip->qli_dquot->q_bufoffset;  in xfs_qm_dquot_logitem_format()
62 	xfs_dquot_to_disk(&ddq, qlip->qli_dquot);  in xfs_qm_dquot_logitem_format()
69  * Increment the pin count of the given dquot.
75 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;  in xfs_qm_dquot_logitem_pin()
78 	atomic_inc(&dqp->q_pincount);  in xfs_qm_dquot_logitem_pin()
82  * Decrement the pin count of the given dquot, and wake up
92 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;  in xfs_qm_dquot_logitem_unpin()
94 	ASSERT(atomic_read(&dqp->q_pincount) > 0);  in xfs_qm_dquot_logitem_unpin()
95 	if (atomic_dec_and_test(&dqp->q_pincount))  in xfs_qm_dquot_logitem_unpin()
96 		wake_up(&dqp->q_pinwait);  in xfs_qm_dquot_logitem_unpin()
100  * This is called to wait for the given dquot to be unpinned.
101  * Most of these pin/unpin routines are plagiarized from inode code.
108 	if (atomic_read(&dqp->q_pincount) == 0)  in xfs_qm_dqunpin_wait()
112 	 * Give the log a push so we don't wait here too long.  in xfs_qm_dqunpin_wait()
114 	xfs_log_force(dqp->q_mount, 0);  in xfs_qm_dqunpin_wait()
115 	wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));  in xfs_qm_dqunpin_wait()
122 		__releases(&lip->li_ailp->ail_lock)  in xfs_qm_dquot_logitem_push()
123 		__acquires(&lip->li_ailp->ail_lock)  in xfs_qm_dquot_logitem_push()
125 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;  in xfs_qm_dquot_logitem_push()
126 	struct xfs_buf		*bp = lip->li_buf;  in xfs_qm_dquot_logitem_push()
130 	if (atomic_read(&dqp->q_pincount) > 0)  in xfs_qm_dquot_logitem_push()
137 	 * Re-check the pincount now that we stabilized the value by  in xfs_qm_dquot_logitem_push()
140 	if (atomic_read(&dqp->q_pincount) > 0) {  in xfs_qm_dquot_logitem_push()
147 	 * here but wait for the flush to finish and remove the item from  in xfs_qm_dquot_logitem_push()
155 	spin_unlock(&lip->li_ailp->ail_lock);  in xfs_qm_dquot_logitem_push()
162 	} else if (error == -EAGAIN)  in xfs_qm_dquot_logitem_push()
165 	spin_lock(&lip->li_ailp->ail_lock);  in xfs_qm_dquot_logitem_push()
175 	struct xfs_dquot	*dqp = DQUOT_ITEM(lip)->qli_dquot;  in xfs_qm_dquot_logitem_release()
215 	struct xfs_dq_logitem	*lp = &dqp->q_logitem;  in xfs_qm_dquot_logitem_init()
217 	xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,  in xfs_qm_dquot_logitem_init()
219 	lp->qli_dquot = dqp;  in xfs_qm_dquot_logitem_init()