| /* |
| * Copyright (c) 2000-2003 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #include "xfs.h" |
| #include "xfs_fs.h" |
| #include "xfs_bit.h" |
| #include "xfs_log.h" |
| #include "xfs_inum.h" |
| #include "xfs_trans.h" |
| #include "xfs_sb.h" |
| #include "xfs_ag.h" |
| #include "xfs_dir.h" |
| #include "xfs_dir2.h" |
| #include "xfs_alloc.h" |
| #include "xfs_dmapi.h" |
| #include "xfs_quota.h" |
| #include "xfs_mount.h" |
| #include "xfs_bmap_btree.h" |
| #include "xfs_alloc_btree.h" |
| #include "xfs_ialloc_btree.h" |
| #include "xfs_dir_sf.h" |
| #include "xfs_dir2_sf.h" |
| #include "xfs_attr_sf.h" |
| #include "xfs_dinode.h" |
| #include "xfs_inode.h" |
| #include "xfs_bmap.h" |
| #include "xfs_btree.h" |
| #include "xfs_ialloc.h" |
| #include "xfs_rtalloc.h" |
| #include "xfs_error.h" |
| #include "xfs_itable.h" |
| #include "xfs_rw.h" |
| #include "xfs_acl.h" |
| #include "xfs_cap.h" |
| #include "xfs_mac.h" |
| #include "xfs_attr.h" |
| #include "xfs_buf_item.h" |
| #include "xfs_trans_priv.h" |
| #include "xfs_qm.h" |
| |
| /* |
| * returns the number of iovecs needed to log the given dquot item. |
| */ |
| /* ARGSUSED */ |
| STATIC uint |
| xfs_qm_dquot_logitem_size( |
| xfs_dq_logitem_t *logitem) |
| { |
| /* |
| * we need only two iovecs, one for the format, one for the real thing |
| */ |
| return (2); |
| } |
| |
| /* |
| * fills in the vector of log iovecs for the given dquot log item. |
| */ |
| STATIC void |
| xfs_qm_dquot_logitem_format( |
| xfs_dq_logitem_t *logitem, |
| xfs_log_iovec_t *logvec) |
| { |
| ASSERT(logitem); |
| ASSERT(logitem->qli_dquot); |
| |
| 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++; |
| 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); |
| |
| 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) |
| { |
| unsigned long s; |
| xfs_dquot_t *dqp; |
| |
| dqp = logitem->qli_dquot; |
| ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
| s = XFS_DQ_PINLOCK(dqp); |
| dqp->q_pincount++; |
| XFS_DQ_PINUNLOCK(dqp, s); |
| } |
| |
| /* |
| * 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(). |
| */ |
| /* ARGSUSED */ |
| STATIC void |
| xfs_qm_dquot_logitem_unpin( |
| xfs_dq_logitem_t *logitem, |
| int stale) |
| { |
| unsigned long s; |
| xfs_dquot_t *dqp; |
| |
| dqp = logitem->qli_dquot; |
| ASSERT(dqp->q_pincount > 0); |
| s = XFS_DQ_PINLOCK(dqp); |
| dqp->q_pincount--; |
| if (dqp->q_pincount == 0) { |
| sv_broadcast(&dqp->q_pinwait); |
| } |
| XFS_DQ_PINUNLOCK(dqp, s); |
| } |
| |
| /* ARGSUSED */ |
| STATIC void |
| xfs_qm_dquot_logitem_unpin_remove( |
| xfs_dq_logitem_t *logitem, |
| xfs_trans_t *tp) |
| { |
| xfs_qm_dquot_logitem_unpin(logitem, 0); |
| } |
| |
| /* |
| * Given the logitem, this writes the corresponding dquot entry to disk |
| * asynchronously. This is called with the dquot entry securely locked; |
| * we simply get xfs_qm_dqflush() to do the work, and unlock the dquot |
| * at the end. |
| */ |
| STATIC void |
| xfs_qm_dquot_logitem_push( |
| xfs_dq_logitem_t *logitem) |
| { |
| xfs_dquot_t *dqp; |
| |
| dqp = logitem->qli_dquot; |
| |
| ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
| ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp)); |
| |
| /* |
| * Since we were able to lock the dquot's flush lock and |
| * we found it on the AIL, the dquot must be dirty. This |
| * is because the dquot is removed from the AIL while still |
| * holding the flush lock in xfs_dqflush_done(). Thus, if |
| * we found it in the AIL and were able to obtain the flush |
| * lock without sleeping, then there must not have been |
| * anyone in the process of flushing the dquot. |
| */ |
| xfs_qm_dqflush(dqp, XFS_B_DELWRI); |
| xfs_dqunlock(dqp); |
| } |
| |
| /*ARGSUSED*/ |
| STATIC xfs_lsn_t |
| xfs_qm_dquot_logitem_committed( |
| xfs_dq_logitem_t *l, |
| xfs_lsn_t lsn) |
| { |
| /* |
| * We always re-log the entire dquot when it becomes dirty, |
| * so, the latest copy _is_ the only one that matters. |
| */ |
| return (lsn); |
| } |
| |
| |
| /* |
| * This is called to wait for the given dquot to be unpinned. |
| * Most of these pin/unpin routines are plagiarized from inode code. |
| */ |
| void |
| xfs_qm_dqunpin_wait( |
| xfs_dquot_t *dqp) |
| { |
| SPLDECL(s); |
| |
| ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
| if (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); |
| s = XFS_DQ_PINLOCK(dqp); |
| if (dqp->q_pincount == 0) { |
| XFS_DQ_PINUNLOCK(dqp, s); |
| return; |
| } |
| sv_wait(&(dqp->q_pinwait), PINOD, |
| &(XFS_DQ_TO_QINF(dqp)->qi_pinlock), s); |
| } |
| |
| /* |
| * 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 buffercache can be a time consuming thing, and AIL_LOCK is a |
| * spinlock. |
| */ |
| STATIC void |
| xfs_qm_dquot_logitem_pushbuf( |
| xfs_dq_logitem_t *qip) |
| { |
| 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 ((valusema(&(dqp->q_flock)) > 0) || |
| ((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) && |
| (valusema(&(dqp->q_flock)) <= 0)); |
| 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) { |
| #ifdef XFSRACEDEBUG |
| delay_for_intr(); |
| delay(300); |
| #endif |
| xfs_bawrite(mp, bp); |
| } else { |
| xfs_buf_relse(bp); |
| } |
| } else { |
| qip->qli_pushbuf_flag = 0; |
| xfs_dqunlock(dqp); |
| xfs_buf_relse(bp); |
| } |
| return; |
| } |
| |
| qip->qli_pushbuf_flag = 0; |
| xfs_dqunlock(dqp); |
| } |
| |
| /* |
| * 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. |
| */ |
| STATIC uint |
| xfs_qm_dquot_logitem_trylock( |
| 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 (! xfs_qm_dqlock_nowait(dqp)) |
| return (XFS_ITEM_LOCKED); |
| |
| retval = XFS_ITEM_SUCCESS; |
| if (! xfs_qm_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. |
| */ |
| 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); |
| } |
| } |
| |
| ASSERT(qip->qli_item.li_flags & XFS_LI_IN_AIL); |
| return (retval); |
| } |
| |
| |
| /* |
| * Unlock the dquot associated with the log item. |
| * Clear the fields of the dquot and dquot log item that |
| * are specific to the current transaction. If the |
| * hold flags is set, do not unlock the dquot. |
| */ |
| STATIC void |
| xfs_qm_dquot_logitem_unlock( |
| xfs_dq_logitem_t *ql) |
| { |
| xfs_dquot_t *dqp; |
| |
| ASSERT(ql != NULL); |
| dqp = ql->qli_dquot; |
| ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
| |
| /* |
| * Clear the transaction pointer in the dquot |
| */ |
| dqp->q_transp = NULL; |
| |
| /* |
| * dquots are never 'held' from getting unlocked at the end of |
| * a transaction. Their locking and unlocking is hidden inside the |
| * transaction layer, within trans_commit. Hence, no LI_HOLD flag |
| * for the logitem. |
| */ |
| xfs_dqunlock(dqp); |
| } |
| |
| |
| /* |
| * The transaction with the dquot locked has aborted. The dquot |
| * must not be dirty within the transaction. We simply unlock just |
| * as if the transaction had been cancelled. |
| */ |
| STATIC void |
| xfs_qm_dquot_logitem_abort( |
| xfs_dq_logitem_t *ql) |
| { |
| xfs_qm_dquot_logitem_unlock(ql); |
| } |
| |
| /* |
| * this needs to stamp an lsn into the dquot, I think. |
| * rpc's that look at user dquot's would then have to |
| * push on the dependency recorded in the dquot |
| */ |
| /* ARGSUSED */ |
| STATIC void |
| xfs_qm_dquot_logitem_committing( |
| xfs_dq_logitem_t *l, |
| xfs_lsn_t lsn) |
| { |
| return; |
| } |
| |
| |
| /* |
| * This is the ops vector for dquots |
| */ |
| STATIC struct xfs_item_ops xfs_dquot_item_ops = { |
| .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_size, |
| .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) |
| xfs_qm_dquot_logitem_format, |
| .iop_pin = (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_pin, |
| .iop_unpin = (void(*)(xfs_log_item_t*, int)) |
| xfs_qm_dquot_logitem_unpin, |
| .iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t*)) |
| xfs_qm_dquot_logitem_unpin_remove, |
| .iop_trylock = (uint(*)(xfs_log_item_t*)) |
| xfs_qm_dquot_logitem_trylock, |
| .iop_unlock = (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_unlock, |
| .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_dquot_logitem_committed, |
| .iop_push = (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_push, |
| .iop_abort = (void(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_abort, |
| .iop_pushbuf = (void(*)(xfs_log_item_t*)) |
| xfs_qm_dquot_logitem_pushbuf, |
| .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_dquot_logitem_committing |
| }; |
| |
| /* |
| * Initialize the dquot log item for a newly allocated dquot. |
| * The dquot isn't locked at this point, but it isn't on any of the lists |
| * either, so we don't care. |
| */ |
| void |
| xfs_qm_dquot_logitem_init( |
| struct xfs_dquot *dqp) |
| { |
| 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; |
| 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); |
| lp->qli_format.qlf_blkno = dqp->q_blkno; |
| lp->qli_format.qlf_len = 1; |
| /* |
| * This is just the offset of this dquot within its buffer |
| * (which is currently 1 FSB and probably won't change). |
| * Hence 32 bits for this offset should be just fine. |
| * Alternatively, we can store (bufoffset / sizeof(xfs_dqblk_t)) |
| * here, and recompute it at recovery time. |
| */ |
| lp->qli_format.qlf_boffset = (__uint32_t)dqp->q_bufoffset; |
| } |
| |
| /*------------------ QUOTAOFF LOG ITEMS -------------------*/ |
| |
| /* |
| * This returns the number of iovecs needed to log the given quotaoff item. |
| * We only need 1 iovec for an quotaoff item. It just logs the |
| * quotaoff_log_format structure. |
| */ |
| /*ARGSUSED*/ |
| STATIC uint |
| xfs_qm_qoff_logitem_size(xfs_qoff_logitem_t *qf) |
| { |
| return (1); |
| } |
| |
| /* |
| * This is called to fill in the vector of log iovecs for the |
| * given quotaoff log item. We use only 1 iovec, and we point that |
| * at the quotaoff_log_format structure embedded in the quotaoff item. |
| * It is at this point that we assert that all of the extent |
| * slots in the quotaoff item have been filled. |
| */ |
| STATIC void |
| xfs_qm_qoff_logitem_format(xfs_qoff_logitem_t *qf, |
| xfs_log_iovec_t *log_vector) |
| { |
| ASSERT(qf->qql_format.qf_type == XFS_LI_QUOTAOFF); |
| |
| 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); |
| qf->qql_format.qf_size = 1; |
| } |
| |
| |
| /* |
| * Pinning has no meaning for an quotaoff item, so just return. |
| */ |
| /*ARGSUSED*/ |
| STATIC void |
| xfs_qm_qoff_logitem_pin(xfs_qoff_logitem_t *qf) |
| { |
| return; |
| } |
| |
| |
| /* |
| * Since pinning has no meaning for an quotaoff item, unpinning does |
| * not either. |
| */ |
| /*ARGSUSED*/ |
| STATIC void |
| xfs_qm_qoff_logitem_unpin(xfs_qoff_logitem_t *qf, int stale) |
| { |
| return; |
| } |
| |
| /*ARGSUSED*/ |
| STATIC void |
| xfs_qm_qoff_logitem_unpin_remove(xfs_qoff_logitem_t *qf, xfs_trans_t *tp) |
| { |
| return; |
| } |
| |
| /* |
| * Quotaoff items have no locking, so just return success. |
| */ |
| /*ARGSUSED*/ |
| STATIC uint |
| xfs_qm_qoff_logitem_trylock(xfs_qoff_logitem_t *qf) |
| { |
| return XFS_ITEM_LOCKED; |
| } |
| |
| /* |
| * Quotaoff items have no locking or pushing, so return failure |
| * so that the caller doesn't bother with us. |
| */ |
| /*ARGSUSED*/ |
| STATIC void |
| xfs_qm_qoff_logitem_unlock(xfs_qoff_logitem_t *qf) |
| { |
| return; |
| } |
| |
| /* |
| * The quotaoff-start-item is logged only once and cannot be moved in the log, |
| * so simply return the lsn at which it's been logged. |
| */ |
| /*ARGSUSED*/ |
| STATIC xfs_lsn_t |
| xfs_qm_qoff_logitem_committed(xfs_qoff_logitem_t *qf, xfs_lsn_t lsn) |
| { |
| return (lsn); |
| } |
| |
| /* |
| * The transaction of which this QUOTAOFF is a part has been aborted. |
| * Just clean up after ourselves. |
| * Shouldn't this never happen in the case of qoffend logitems? XXX |
| */ |
| STATIC void |
| xfs_qm_qoff_logitem_abort(xfs_qoff_logitem_t *qf) |
| { |
| kmem_free(qf, sizeof(xfs_qoff_logitem_t)); |
| } |
| |
| /* |
| * There isn't much you can do to push on an quotaoff item. It is simply |
| * stuck waiting for the log to be flushed to disk. |
| */ |
| /*ARGSUSED*/ |
| STATIC void |
| xfs_qm_qoff_logitem_push(xfs_qoff_logitem_t *qf) |
| { |
| return; |
| } |
| |
| |
| /*ARGSUSED*/ |
| STATIC xfs_lsn_t |
| xfs_qm_qoffend_logitem_committed( |
| xfs_qoff_logitem_t *qfe, |
| xfs_lsn_t lsn) |
| { |
| xfs_qoff_logitem_t *qfs; |
| SPLDECL(s); |
| |
| qfs = qfe->qql_start_lip; |
| AIL_LOCK(qfs->qql_item.li_mountp,s); |
| /* |
| * Delete the qoff-start logitem from the AIL. |
| * xfs_trans_delete_ail() drops the AIL lock. |
| */ |
| xfs_trans_delete_ail(qfs->qql_item.li_mountp, (xfs_log_item_t *)qfs, s); |
| kmem_free(qfs, sizeof(xfs_qoff_logitem_t)); |
| kmem_free(qfe, sizeof(xfs_qoff_logitem_t)); |
| return (xfs_lsn_t)-1; |
| } |
| |
| /* |
| * XXX rcc - don't know quite what to do with this. I think we can |
| * just ignore it. The only time that isn't the case is if we allow |
| * the client to somehow see that quotas have been turned off in which |
| * we can't allow that to get back until the quotaoff hits the disk. |
| * So how would that happen? Also, do we need different routines for |
| * quotaoff start and quotaoff end? I suspect the answer is yes but |
| * to be sure, I need to look at the recovery code and see how quota off |
| * recovery is handled (do we roll forward or back or do something else). |
| * If we roll forwards or backwards, then we need two separate routines, |
| * one that does nothing and one that stamps in the lsn that matters |
| * (truly makes the quotaoff irrevocable). If we do something else, |
| * then maybe we don't need two. |
| */ |
| /* ARGSUSED */ |
| STATIC void |
| xfs_qm_qoff_logitem_committing(xfs_qoff_logitem_t *qip, xfs_lsn_t commit_lsn) |
| { |
| return; |
| } |
| |
| /* ARGSUSED */ |
| STATIC void |
| xfs_qm_qoffend_logitem_committing(xfs_qoff_logitem_t *qip, xfs_lsn_t commit_lsn) |
| { |
| return; |
| } |
| |
| STATIC struct xfs_item_ops xfs_qm_qoffend_logitem_ops = { |
| .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size, |
| .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) |
| xfs_qm_qoff_logitem_format, |
| .iop_pin = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_pin, |
| .iop_unpin = (void(*)(xfs_log_item_t* ,int)) |
| xfs_qm_qoff_logitem_unpin, |
| .iop_unpin_remove = (void(*)(xfs_log_item_t*,xfs_trans_t*)) |
| xfs_qm_qoff_logitem_unpin_remove, |
| .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_trylock, |
| .iop_unlock = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_unlock, |
| .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_qoffend_logitem_committed, |
| .iop_push = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_push, |
| .iop_abort = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_abort, |
| .iop_pushbuf = NULL, |
| .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_qoffend_logitem_committing |
| }; |
| |
| /* |
| * This is the ops vector shared by all quotaoff-start log items. |
| */ |
| STATIC struct xfs_item_ops xfs_qm_qoff_logitem_ops = { |
| .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size, |
| .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) |
| xfs_qm_qoff_logitem_format, |
| .iop_pin = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_pin, |
| .iop_unpin = (void(*)(xfs_log_item_t*, int)) |
| xfs_qm_qoff_logitem_unpin, |
| .iop_unpin_remove = (void(*)(xfs_log_item_t*,xfs_trans_t*)) |
| xfs_qm_qoff_logitem_unpin_remove, |
| .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_trylock, |
| .iop_unlock = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_unlock, |
| .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_qoff_logitem_committed, |
| .iop_push = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_push, |
| .iop_abort = (void(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_abort, |
| .iop_pushbuf = NULL, |
| .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t)) |
| xfs_qm_qoff_logitem_committing |
| }; |
| |
| /* |
| * Allocate and initialize an quotaoff item of the correct quota type(s). |
| */ |
| xfs_qoff_logitem_t * |
| xfs_qm_qoff_logitem_init( |
| struct xfs_mount *mp, |
| xfs_qoff_logitem_t *start, |
| uint flags) |
| { |
| xfs_qoff_logitem_t *qf; |
| |
| 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; |
| qf->qql_item.li_mountp = mp; |
| qf->qql_format.qf_type = XFS_LI_QUOTAOFF; |
| qf->qql_format.qf_flags = flags; |
| qf->qql_start_lip = start; |
| return (qf); |
| } |