[08/22] xfs: use a per-resource struct for incore dquot data

Message ID	159398720554.425236.17793491143426757512.stgit@magnolia (mailing list archive)
State	Superseded
Headers	show Return-Path: <SRS0=iu4H=AQ=vger.kernel.org=linux-xfs-owner@kernel.org> Subject: [PATCH 08/22] xfs: use a per-resource struct for incore dquot data From: "Darrick J. Wong" <darrick.wong@oracle.com> To: darrick.wong@oracle.com Cc: Chandan Babu R <chandanrlinux@gmail.com>, Christoph Hellwig <hch@lst.de>, Allison Collins <allison.henderson@oracle.com>, linux-xfs@vger.kernel.org Date: Sun, 05 Jul 2020 15:13:25 -0700 Message-ID: <159398720554.425236.17793491143426757512.stgit@magnolia> In-Reply-To: <159398715269.425236.15910213189856396341.stgit@magnolia> References: <159398715269.425236.15910213189856396341.stgit@magnolia> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk
Series	xfs: remove xfs_disk_quot from incore dquot \| expand [v2,00/22] xfs: remove xfs_disk_quot from incore dquot [01/22] xfs: clear XFS_DQ_FREEING if we can't lock the dquot buffer to flush [02/22] xfs: fix inode quota reservation checks [03/22] xfs: validate ondisk/incore dquot flags [04/22] xfs: split dquot flags [05/22] xfs: make XFS_DQUOT_CLUSTER_SIZE_FSB part of the ondisk format [06/22] xfs: stop using q_core.d_flags in the quota code [07/22] xfs: stop using q_core.d_id in the quota code [08/22] xfs: use a per-resource struct for incore dquot data [09/22] xfs: stop using q_core limits in the quota code [10/22] xfs: stop using q_core counters in the quota code [11/22] xfs: stop using q_core warning counters in the quota code [12/22] xfs: stop using q_core timers in the quota code [13/22] xfs: remove qcore from incore dquots [14/22] xfs: refactor default quota limits by resource [15/22] xfs: remove unnecessary arguments from quota adjust functions [16/22] xfs: refactor quota exceeded test [17/22] xfs: refactor xfs_qm_scall_setqlim [18/22] xfs: refactor xfs_trans_dqresv [19/22] xfs: refactor xfs_trans_apply_dquot_deltas [20/22] xfs: assume the default quota limits are always set in xfs_qm_adjust_dqlimits [21/22] xfs: actually bump warning counts when we send warnings [22/22] xfs: add more dquot tracepoints

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 2af8869a3d01..9d3afb4ba9e4 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -552,9 +552,9 @@ xfs_dquot_from_disk( * Reservation counters are defined as reservation plus current usage * to avoid having to add every time. */ - dqp->q_res_bcount = be64_to_cpu(ddqp->d_bcount); - dqp->q_res_icount = be64_to_cpu(ddqp->d_icount); - dqp->q_res_rtbcount = be64_to_cpu(ddqp->d_rtbcount); + dqp->q_blk.reserved = be64_to_cpu(ddqp->d_bcount); + dqp->q_ino.reserved = be64_to_cpu(ddqp->d_icount); + dqp->q_rtb.reserved = be64_to_cpu(ddqp->d_rtbcount); /* initialize the dquot speculative prealloc thresholds */ xfs_dquot_set_prealloc_limits(dqp); diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h index 5ea1f1515979..cb20df1e774f 100644 --- a/fs/xfs/xfs_dquot.h +++ b/fs/xfs/xfs_dquot.h @@ -27,6 +27,11 @@ enum { XFS_QLOWSP_MAX }; +struct xfs_dquot_res { + /* Total resources allocated and reserved. */ + xfs_qcnt_t reserved; +}; + /* * The incore dquot structure */ @@ -40,14 +45,13 @@ struct xfs_dquot { xfs_daddr_t q_blkno; xfs_fileoff_t q_fileoffset; + struct xfs_dquot_res q_blk; /* regular blocks */ + struct xfs_dquot_res q_ino; /* inodes */ + struct xfs_dquot_res q_rtb; /* realtime blocks */ + struct xfs_disk_dquot q_core; struct xfs_dq_logitem q_logitem; - /* total regular nblks used+reserved */ - xfs_qcnt_t q_res_bcount; - /* total inos allocd+reserved */ - xfs_qcnt_t q_res_icount; - /* total realtime blks used+reserved */ - xfs_qcnt_t q_res_rtbcount; + xfs_qcnt_t q_prealloc_lo_wmark; xfs_qcnt_t q_prealloc_hi_wmark; int64_t q_low_space[XFS_QLOWSP_MAX]; @@ -138,7 +142,7 @@ static inline bool xfs_dquot_lowsp(struct xfs_dquot *dqp) { int64_t freesp; - freesp = be64_to_cpu(dqp->q_core.d_blk_hardlimit) - dqp->q_res_bcount; + freesp = be64_to_cpu(dqp->q_core.d_blk_hardlimit) - dqp->q_blk.reserved; if (freesp < dqp->q_low_space[XFS_QLOWSP_1_PCNT]) return true; diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index b9a8c3798e08..f60a6e44363b 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -307,7 +307,7 @@ xfs_quota_need_throttle( return false; /* under the lo watermark, no throttle */ - if (dq->q_res_bcount + alloc_blocks < dq->q_prealloc_lo_wmark) + if (dq->q_blk.reserved + alloc_blocks < dq->q_prealloc_lo_wmark) return false; return true; @@ -326,13 +326,13 @@ xfs_quota_calc_throttle( struct xfs_dquot *dq = xfs_inode_dquot(ip, type); /* no dq, or over hi wmark, squash the prealloc completely */ - if (!dq || dq->q_res_bcount >= dq->q_prealloc_hi_wmark) { + if (!dq || dq->q_blk.reserved >= dq->q_prealloc_hi_wmark) { *qblocks = 0; *qfreesp = 0; return; } - freesp = dq->q_prealloc_hi_wmark - dq->q_res_bcount; + freesp = dq->q_prealloc_hi_wmark - dq->q_blk.reserved; if (freesp < dq->q_low_space[XFS_QLOWSP_5_PCNT]) { shift = 2; if (freesp < dq->q_low_space[XFS_QLOWSP_3_PCNT]) diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 3e1dfbbd1f48..fe0a8240c7c6 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1099,14 +1099,14 @@ xfs_qm_quotacheck_dqadjust( * resource usage. */ be64_add_cpu(&dqp->q_core.d_icount, 1); - dqp->q_res_icount++; + dqp->q_ino.reserved++; if (nblks) { be64_add_cpu(&dqp->q_core.d_bcount, nblks); - dqp->q_res_bcount += nblks; + dqp->q_blk.reserved += nblks; } if (rtblks) { be64_add_cpu(&dqp->q_core.d_rtbcount, rtblks); - dqp->q_res_rtbcount += rtblks; + dqp->q_rtb.reserved += rtblks; } /* diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c index fc2fa418919f..94b2b4b0fc17 100644 --- a/fs/xfs/xfs_qm_bhv.c +++ b/fs/xfs/xfs_qm_bhv.c @@ -29,8 +29,8 @@ xfs_fill_statvfs_from_dquot( if (limit && statp->f_blocks > limit) { statp->f_blocks = limit; statp->f_bfree = statp->f_bavail = - (statp->f_blocks > dqp->q_res_bcount) ? - (statp->f_blocks - dqp->q_res_bcount) : 0; + (statp->f_blocks > dqp->q_blk.reserved) ? + (statp->f_blocks - dqp->q_blk.reserved) : 0; } limit = dqp->q_core.d_ino_softlimit ? @@ -39,8 +39,8 @@ xfs_fill_statvfs_from_dquot( if (limit && statp->f_files > limit) { statp->f_files = limit; statp->f_ffree = - (statp->f_files > dqp->q_res_icount) ? - (statp->f_files - dqp->q_res_icount) : 0; + (statp->f_files > dqp->q_ino.reserved) ? + (statp->f_files - dqp->q_ino.reserved) : 0; } } diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 90a11e7daf92..56fe80395679 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -625,8 +625,8 @@ xfs_qm_scall_getquota_fill_qc( XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); - dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount); - dst->d_ino_count = dqp->q_res_icount; + dst->d_space = XFS_FSB_TO_B(mp, dqp->q_blk.reserved); + dst->d_ino_count = dqp->q_ino.reserved; dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer); dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer); dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns); @@ -635,7 +635,7 @@ xfs_qm_scall_getquota_fill_qc( XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); dst->d_rt_spc_softlimit = XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); - dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount); + dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_rtb.reserved); dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer); dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns); diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 78d9dbc7614d..71567ed367f2 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -879,7 +879,7 @@ DECLARE_EVENT_CLASS(xfs_dquot_class, __entry->id = dqp->q_id; __entry->flags = dqp->dq_flags; __entry->nrefs = dqp->q_nrefs; - __entry->res_bcount = dqp->q_res_bcount; + __entry->res_bcount = dqp->q_blk.reserved; __entry->bcount = be64_to_cpu(dqp->q_core.d_bcount); __entry->icount = be64_to_cpu(dqp->q_core.d_icount); __entry->blk_hardlimit = diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c index a2656ec6ea76..8c02430ea165 100644 --- a/fs/xfs/xfs_trans_dquot.c +++ b/fs/xfs/xfs_trans_dquot.c @@ -409,11 +409,11 @@ xfs_trans_apply_dquot_deltas( if (qtrx->qt_blk_res != blk_res_used) { if (qtrx->qt_blk_res > blk_res_used) - dqp->q_res_bcount -= (xfs_qcnt_t) + dqp->q_blk.reserved -= (xfs_qcnt_t) (qtrx->qt_blk_res - blk_res_used); else - dqp->q_res_bcount -= (xfs_qcnt_t) + dqp->q_blk.reserved -= (xfs_qcnt_t) (blk_res_used - qtrx->qt_blk_res); } @@ -426,7 +426,7 @@ xfs_trans_apply_dquot_deltas( * deliberately skip quota reservations. */ if (qtrx->qt_bcount_delta) { - dqp->q_res_bcount += + dqp->q_blk.reserved += (xfs_qcnt_t)qtrx->qt_bcount_delta; } } @@ -437,17 +437,17 @@ xfs_trans_apply_dquot_deltas( if (qtrx->qt_rtblk_res != qtrx->qt_rtblk_res_used) { if (qtrx->qt_rtblk_res > qtrx->qt_rtblk_res_used) - dqp->q_res_rtbcount -= (xfs_qcnt_t) + dqp->q_rtb.reserved -= (xfs_qcnt_t) (qtrx->qt_rtblk_res - qtrx->qt_rtblk_res_used); else - dqp->q_res_rtbcount -= (xfs_qcnt_t) + dqp->q_rtb.reserved -= (xfs_qcnt_t) (qtrx->qt_rtblk_res_used - qtrx->qt_rtblk_res); } } else { if (qtrx->qt_rtbcount_delta) - dqp->q_res_rtbcount += + dqp->q_rtb.reserved += (xfs_qcnt_t)qtrx->qt_rtbcount_delta; } @@ -458,20 +458,20 @@ xfs_trans_apply_dquot_deltas( ASSERT(qtrx->qt_ino_res >= qtrx->qt_ino_res_used); if (qtrx->qt_ino_res > qtrx->qt_ino_res_used) - dqp->q_res_icount -= (xfs_qcnt_t) + dqp->q_ino.reserved -= (xfs_qcnt_t) (qtrx->qt_ino_res - qtrx->qt_ino_res_used); } else { if (qtrx->qt_icount_delta) - dqp->q_res_icount += + dqp->q_ino.reserved += (xfs_qcnt_t)qtrx->qt_icount_delta; } - ASSERT(dqp->q_res_bcount >= + ASSERT(dqp->q_blk.reserved >= be64_to_cpu(dqp->q_core.d_bcount)); - ASSERT(dqp->q_res_icount >= + ASSERT(dqp->q_ino.reserved >= be64_to_cpu(dqp->q_core.d_icount)); - ASSERT(dqp->q_res_rtbcount >= + ASSERT(dqp->q_rtb.reserved >= be64_to_cpu(dqp->q_core.d_rtbcount)); } } @@ -516,7 +516,7 @@ xfs_trans_unreserve_and_mod_dquots( if (qtrx->qt_blk_res) { xfs_dqlock(dqp); locked = true; - dqp->q_res_bcount -= + dqp->q_blk.reserved -= (xfs_qcnt_t)qtrx->qt_blk_res; } if (qtrx->qt_ino_res) { @@ -524,7 +524,7 @@ xfs_trans_unreserve_and_mod_dquots( xfs_dqlock(dqp); locked = true; } - dqp->q_res_icount -= + dqp->q_ino.reserved -= (xfs_qcnt_t)qtrx->qt_ino_res; } @@ -533,7 +533,7 @@ xfs_trans_unreserve_and_mod_dquots( xfs_dqlock(dqp); locked = true; } - dqp->q_res_rtbcount -= + dqp->q_rtb.reserved -= (xfs_qcnt_t)qtrx->qt_rtblk_res; } if (locked) @@ -602,7 +602,7 @@ xfs_trans_dqresv( timer = be32_to_cpu(dqp->q_core.d_btimer); warns = be16_to_cpu(dqp->q_core.d_bwarns); warnlimit = defq->bwarnlimit; - resbcountp = &dqp->q_res_bcount; + resbcountp = &dqp->q_blk.reserved; } else { ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS); hardlimit = be64_to_cpu(dqp->q_core.d_rtb_hardlimit); @@ -614,7 +614,7 @@ xfs_trans_dqresv( timer = be32_to_cpu(dqp->q_core.d_rtbtimer); warns = be16_to_cpu(dqp->q_core.d_rtbwarns); warnlimit = defq->rtbwarnlimit; - resbcountp = &dqp->q_res_rtbcount; + resbcountp = &dqp->q_rtb.reserved; } if ((flags & XFS_QMOPT_FORCE_RES) == 0 && dqp->q_id && @@ -645,7 +645,7 @@ xfs_trans_dqresv( } } if (ninos > 0) { - total_count = dqp->q_res_icount + ninos; + total_count = dqp->q_ino.reserved + ninos; timer = be32_to_cpu(dqp->q_core.d_itimer); warns = be16_to_cpu(dqp->q_core.d_iwarns); warnlimit = defq->iwarnlimit; @@ -675,11 +675,11 @@ xfs_trans_dqresv( /* * Change the reservation, but not the actual usage. - * Note that q_res_bcount = q_core.d_bcount + resv + * Note that q_blk.reserved = q_core.d_bcount + resv */ (*resbcountp) += (xfs_qcnt_t)nblks; if (ninos != 0) - dqp->q_res_icount += (xfs_qcnt_t)ninos; + dqp->q_ino.reserved += (xfs_qcnt_t)ninos; /* * note the reservation amt in the trans struct too, @@ -700,9 +700,9 @@ xfs_trans_dqresv( XFS_TRANS_DQ_RES_INOS, ninos); } - ASSERT(dqp->q_res_bcount >= be64_to_cpu(dqp->q_core.d_bcount)); - ASSERT(dqp->q_res_rtbcount >= be64_to_cpu(dqp->q_core.d_rtbcount)); - ASSERT(dqp->q_res_icount >= be64_to_cpu(dqp->q_core.d_icount)); + ASSERT(dqp->q_blk.reserved >= be64_to_cpu(dqp->q_core.d_bcount)); + ASSERT(dqp->q_rtb.reserved >= be64_to_cpu(dqp->q_core.d_rtbcount)); + ASSERT(dqp->q_ino.reserved >= be64_to_cpu(dqp->q_core.d_icount)); xfs_dqunlock(dqp); return 0;

[08/22] xfs: use a per-resource struct for incore dquot data

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