#include "xfs_error.h"
#include "xfs_itable.h"
#include "xfs_rw.h"
-#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_trans_priv.h"
logvec->i_addr = (xfs_caddr_t)&logitem->qli_format;
logvec->i_len = sizeof(xfs_dq_logformat_t);
- XLOG_VEC_SET_TYPE(logvec, XLOG_REG_TYPE_QFORMAT);
+ logvec->i_type = XLOG_REG_TYPE_QFORMAT;
logvec++;
logvec->i_addr = (xfs_caddr_t)&logitem->qli_dquot->q_core;
logvec->i_len = sizeof(xfs_disk_dquot_t);
- XLOG_VEC_SET_TYPE(logvec, XLOG_REG_TYPE_DQUOT);
+ logvec->i_type = XLOG_REG_TYPE_DQUOT;
ASSERT(2 == logitem->qli_item.li_desc->lid_size);
logitem->qli_format.qlf_size = 2;
/*
* Increment the pin count of the given dquot.
- * This value is protected by pinlock spinlock in the xQM structure.
*/
STATIC void
xfs_qm_dquot_logitem_pin(
xfs_dq_logitem_t *logitem)
{
- xfs_dquot_t *dqp;
+ xfs_dquot_t *dqp = logitem->qli_dquot;
- dqp = logitem->qli_dquot;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
- dqp->q_pincount++;
- spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
+ atomic_inc(&dqp->q_pincount);
}
/*
* Decrement the pin count of the given dquot, and wake up
* anyone in xfs_dqwait_unpin() if the count goes to 0. The
- * dquot must have been previously pinned with a call to xfs_dqpin().
+ * dquot must have been previously pinned with a call to
+ * xfs_qm_dquot_logitem_pin().
*/
/* ARGSUSED */
STATIC void
xfs_dq_logitem_t *logitem,
int stale)
{
- xfs_dquot_t *dqp;
+ xfs_dquot_t *dqp = logitem->qli_dquot;
- dqp = logitem->qli_dquot;
- ASSERT(dqp->q_pincount > 0);
- spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
- dqp->q_pincount--;
- if (dqp->q_pincount == 0) {
- sv_broadcast(&dqp->q_pinwait);
- }
- spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
+ ASSERT(atomic_read(&dqp->q_pincount) > 0);
+ if (atomic_dec_and_test(&dqp->q_pincount))
+ wake_up(&dqp->q_pinwait);
}
/* ARGSUSED */
dqp = logitem->qli_dquot;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp));
+ ASSERT(!completion_done(&dqp->q_flush));
/*
* Since we were able to lock the dquot's flush lock and
* lock without sleeping, then there must not have been
* anyone in the process of flushing the dquot.
*/
- error = xfs_qm_dqflush(dqp, XFS_QMOPT_DELWRI);
+ error = xfs_qm_dqflush(dqp, 0);
if (error)
xfs_fs_cmn_err(CE_WARN, dqp->q_mount,
"xfs_qm_dquot_logitem_push: push error %d on dqp %p",
xfs_dquot_t *dqp)
{
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- if (dqp->q_pincount == 0) {
+ if (atomic_read(&dqp->q_pincount) == 0)
return;
- }
/*
* Give the log a push so we don't wait here too long.
*/
- xfs_log_force(dqp->q_mount, (xfs_lsn_t)0, XFS_LOG_FORCE);
- spin_lock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
- if (dqp->q_pincount == 0) {
- spin_unlock(&(XFS_DQ_TO_QINF(dqp)->qi_pinlock));
- return;
- }
- sv_wait(&(dqp->q_pinwait), PINOD,
- &(XFS_DQ_TO_QINF(dqp)->qi_pinlock), s);
+ xfs_log_force(dqp->q_mount, 0);
+ wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));
}
/*
xfs_dquot_t *dqp;
xfs_mount_t *mp;
xfs_buf_t *bp;
- uint dopush;
dqp = qip->qli_dquot;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
/*
- * The qli_pushbuf_flag keeps others from
- * trying to duplicate our effort.
- */
- ASSERT(qip->qli_pushbuf_flag != 0);
- ASSERT(qip->qli_push_owner == current_pid());
-
- /*
* 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 (!issemalocked(&(dqp->q_flock)) ||
+ if (completion_done(&dqp->q_flush) ||
((qip->qli_item.li_flags & XFS_LI_IN_AIL) == 0)) {
- qip->qli_pushbuf_flag = 0;
xfs_dqunlock(dqp);
return;
}
mp = dqp->q_mount;
bp = xfs_incore(mp->m_ddev_targp, qip->qli_format.qlf_blkno,
- XFS_QI_DQCHUNKLEN(mp),
- XFS_INCORE_TRYLOCK);
- if (bp != NULL) {
- if (XFS_BUF_ISDELAYWRITE(bp)) {
- dopush = ((qip->qli_item.li_flags & XFS_LI_IN_AIL) &&
- issemalocked(&(dqp->q_flock)));
- qip->qli_pushbuf_flag = 0;
- xfs_dqunlock(dqp);
-
- if (XFS_BUF_ISPINNED(bp)) {
- xfs_log_force(mp, (xfs_lsn_t)0,
- XFS_LOG_FORCE);
- }
- if (dopush) {
- int error;
-#ifdef XFSRACEDEBUG
- delay_for_intr();
- delay(300);
-#endif
- error = xfs_bawrite(mp, bp);
- if (error)
- xfs_fs_cmn_err(CE_WARN, mp,
- "xfs_qm_dquot_logitem_pushbuf: pushbuf error %d on qip %p, bp %p",
- error, qip, bp);
- } else {
- xfs_buf_relse(bp);
- }
- } else {
- qip->qli_pushbuf_flag = 0;
- xfs_dqunlock(dqp);
- xfs_buf_relse(bp);
- }
+ XFS_QI_DQCHUNKLEN(mp), XBF_TRYLOCK);
+ xfs_dqunlock(dqp);
+ if (!bp)
return;
- }
+ if (XFS_BUF_ISDELAYWRITE(bp))
+ xfs_buf_delwri_promote(bp);
+ xfs_buf_relse(bp);
+ return;
- qip->qli_pushbuf_flag = 0;
- xfs_dqunlock(dqp);
}
/*
xfs_dq_logitem_t *qip)
{
xfs_dquot_t *dqp;
- uint retval;
dqp = qip->qli_dquot;
- if (dqp->q_pincount > 0)
- return (XFS_ITEM_PINNED);
+ if (atomic_read(&dqp->q_pincount) > 0)
+ return XFS_ITEM_PINNED;
if (! xfs_qm_dqlock_nowait(dqp))
- return (XFS_ITEM_LOCKED);
+ return XFS_ITEM_LOCKED;
- retval = XFS_ITEM_SUCCESS;
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
/*
- * The dquot is already being flushed. It may have been
- * flushed delayed write, however, and we don't want to
- * get stuck waiting for that to complete. So, we want to check
- * to see if we can lock the dquot's buffer without sleeping.
- * If we can and it is marked for delayed write, then we
- * hold it and send it out from the push routine. We don't
- * want to do that now since we might sleep in the device
- * strategy routine. We also don't want to grab the buffer lock
- * here because we'd like not to call into the buffer cache
- * while holding the AIL lock.
- * Make sure to only return PUSHBUF if we set pushbuf_flag
- * ourselves. If someone else is doing it then we don't
- * want to go to the push routine and duplicate their efforts.
+ * dquot has already been flushed to the backing buffer,
+ * leave it locked, pushbuf routine will unlock it.
*/
- if (qip->qli_pushbuf_flag == 0) {
- qip->qli_pushbuf_flag = 1;
- ASSERT(qip->qli_format.qlf_blkno == dqp->q_blkno);
-#ifdef DEBUG
- qip->qli_push_owner = current_pid();
-#endif
- /*
- * The dquot is left locked.
- */
- retval = XFS_ITEM_PUSHBUF;
- } else {
- retval = XFS_ITEM_FLUSHING;
- xfs_dqunlock_nonotify(dqp);
- }
+ return XFS_ITEM_PUSHBUF;
}
ASSERT(qip->qli_item.li_flags & XFS_LI_IN_AIL);
- return (retval);
+ return XFS_ITEM_SUCCESS;
}
xfs_dq_logitem_t *lp;
lp = &dqp->q_logitem;
- lp->qli_item.li_type = XFS_LI_DQUOT;
- lp->qli_item.li_ops = &xfs_dquot_item_ops;
- lp->qli_item.li_mountp = dqp->q_mount;
+ xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
+ &xfs_dquot_item_ops);
lp->qli_dquot = dqp;
lp->qli_format.qlf_type = XFS_LI_DQUOT;
lp->qli_format.qlf_id = be32_to_cpu(dqp->q_core.d_id);
log_vector->i_addr = (xfs_caddr_t)&(qf->qql_format);
log_vector->i_len = sizeof(xfs_qoff_logitem_t);
- XLOG_VEC_SET_TYPE(log_vector, XLOG_REG_TYPE_QUOTAOFF);
+ log_vector->i_type = XLOG_REG_TYPE_QUOTAOFF;
qf->qql_format.qf_size = 1;
}
xfs_lsn_t lsn)
{
xfs_qoff_logitem_t *qfs;
+ struct xfs_ail *ailp;
qfs = qfe->qql_start_lip;
- spin_lock(&qfs->qql_item.li_mountp->m_ail_lock);
+ ailp = qfs->qql_item.li_ailp;
+ spin_lock(&ailp->xa_lock);
/*
* Delete the qoff-start logitem from the AIL.
- * xfs_trans_delete_ail() drops the AIL lock.
+ * xfs_trans_ail_delete() drops the AIL lock.
*/
- xfs_trans_delete_ail(qfs->qql_item.li_mountp, (xfs_log_item_t *)qfs);
+ xfs_trans_ail_delete(ailp, (xfs_log_item_t *)qfs);
kmem_free(qfs);
kmem_free(qfe);
return (xfs_lsn_t)-1;
qf = (xfs_qoff_logitem_t*) kmem_zalloc(sizeof(xfs_qoff_logitem_t), KM_SLEEP);
- qf->qql_item.li_type = XFS_LI_QUOTAOFF;
- if (start)
- qf->qql_item.li_ops = &xfs_qm_qoffend_logitem_ops;
- else
- qf->qql_item.li_ops = &xfs_qm_qoff_logitem_ops;
+ xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
+ &xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
qf->qql_item.li_mountp = mp;
qf->qql_format.qf_type = XFS_LI_QUOTAOFF;
qf->qql_format.qf_flags = flags;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff