From: Dave Chinner <david@fromorbit.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH 31/39] xfs: track CIL ticket reservation in percpu structure
Date: Wed, 19 May 2021 22:13:09 +1000 [thread overview]
Message-ID: <20210519121317.585244-32-david@fromorbit.com> (raw)
In-Reply-To: <20210519121317.585244-1-david@fromorbit.com>
From: Dave Chinner <dchinner@redhat.com>
To get it out from under the cil spinlock.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
fs/xfs/xfs_log_cil.c | 20 +++++++++++++++-----
fs/xfs/xfs_log_priv.h | 2 +-
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 72693fba929b..4ddc302a766b 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -90,6 +90,10 @@ xlog_cil_pcp_aggregate(
for_each_online_cpu(cpu) {
cilpcp = per_cpu_ptr(cil->xc_pcp, cpu);
+
+ ctx->ticket->t_curr_res += cilpcp->space_reserved;
+ ctx->ticket->t_unit_res += cilpcp->space_reserved;
+ cilpcp->space_reserved = 0;
cilpcp->space_used = 0;
}
}
@@ -510,6 +514,7 @@ xlog_cil_insert_items(
* based on how close we are to the hard limit.
*/
cilpcp = get_cpu_ptr(cil->xc_pcp);
+ cilpcp->space_reserved += ctx_res;
cilpcp->space_used += len;
if (space_used >= XLOG_CIL_SPACE_LIMIT(log) ||
cilpcp->space_used >
@@ -520,10 +525,6 @@ xlog_cil_insert_items(
}
put_cpu_ptr(cilpcp);
- spin_lock(&cil->xc_cil_lock);
- ctx->ticket->t_unit_res += ctx_res;
- ctx->ticket->t_curr_res += ctx_res;
-
/*
* If we've overrun the reservation, dump the tx details before we move
* the log items. Shutdown is imminent...
@@ -545,6 +546,7 @@ xlog_cil_insert_items(
* We do this here so we only need to take the CIL lock once during
* the transaction commit.
*/
+ spin_lock(&cil->xc_cil_lock);
list_for_each_entry(lip, &tp->t_items, li_trans) {
/* Skip items which aren't dirty in this transaction. */
@@ -1434,12 +1436,20 @@ xlog_cil_pcp_dead(
spin_lock(&xlog_cil_pcp_lock);
list_for_each_entry_safe(cil, n, &xlog_cil_pcp_list, xc_pcp_list) {
struct xlog_cil_pcp *cilpcp = per_cpu_ptr(cil->xc_pcp, cpu);
+ struct xfs_cil_ctx *ctx;
spin_unlock(&xlog_cil_pcp_lock);
down_write(&cil->xc_ctx_lock);
+ ctx = cil->xc_ctx;
+
+ atomic_add(cilpcp->space_used, &ctx->space_used);
+ if (ctx->ticket) {
+ ctx->ticket->t_curr_res += cilpcp->space_reserved;
+ ctx->ticket->t_unit_res += cilpcp->space_reserved;
+ }
- atomic_add(cilpcp->space_used, &cil->xc_ctx->space_used);
cilpcp->space_used = 0;
+ cilpcp->space_reserved = 0;
up_write(&cil->xc_ctx_lock);
spin_lock(&xlog_cil_pcp_lock);
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 7dc6275818de..b80cb3a0edb7 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -232,7 +232,7 @@ struct xfs_cil_ctx {
*/
struct xlog_cil_pcp {
uint32_t space_used;
- uint32_t curr_res;
+ uint32_t space_reserved;
struct list_head busy_extents;
struct list_head log_items;
};
--
2.31.1
next prev parent reply other threads:[~2021-05-19 12:13 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 12:12 [PATCH 00/39 v4] xfs: CIL and log optimisations Dave Chinner
2021-05-19 12:12 ` [PATCH 01/39] xfs: log stripe roundoff is a property of the log Dave Chinner
2021-05-28 0:54 ` Allison Henderson
2021-05-19 12:12 ` [PATCH 02/39] xfs: separate CIL commit record IO Dave Chinner
2021-05-28 0:54 ` Allison Henderson
2021-05-19 12:12 ` [PATCH 03/39] xfs: remove xfs_blkdev_issue_flush Dave Chinner
2021-05-28 0:54 ` Allison Henderson
2021-05-19 12:12 ` [PATCH 04/39] xfs: async blkdev cache flush Dave Chinner
2021-05-20 23:53 ` Darrick J. Wong
2021-05-28 0:54 ` Allison Henderson
2021-05-19 12:12 ` [PATCH 05/39] xfs: CIL checkpoint flushes caches unconditionally Dave Chinner
2021-05-28 0:54 ` Allison Henderson
2021-05-19 12:12 ` [PATCH 06/39] xfs: remove need_start_rec parameter from xlog_write() Dave Chinner
2021-05-19 12:12 ` [PATCH 07/39] xfs: journal IO cache flush reductions Dave Chinner
2021-05-21 0:16 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 08/39] xfs: Fix CIL throttle hang when CIL space used going backwards Dave Chinner
2021-05-19 12:12 ` [PATCH 09/39] xfs: xfs_log_force_lsn isn't passed a LSN Dave Chinner
2021-05-21 0:20 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 10/39] xfs: AIL needs asynchronous CIL forcing Dave Chinner
2021-05-21 0:33 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 11/39] xfs: CIL work is serialised, not pipelined Dave Chinner
2021-05-21 0:32 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 12/39] xfs: factor out the CIL transaction header building Dave Chinner
2021-05-19 12:12 ` [PATCH 13/39] xfs: only CIL pushes require a start record Dave Chinner
2021-05-19 12:12 ` [PATCH 14/39] xfs: embed the xlog_op_header in the unmount record Dave Chinner
2021-05-21 0:35 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 15/39] xfs: embed the xlog_op_header in the commit record Dave Chinner
2021-05-19 12:12 ` [PATCH 16/39] xfs: log tickets don't need log client id Dave Chinner
2021-05-21 0:38 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 17/39] xfs: move log iovec alignment to preparation function Dave Chinner
2021-05-19 12:12 ` [PATCH 18/39] xfs: reserve space and initialise xlog_op_header in item formatting Dave Chinner
2021-05-19 12:12 ` [PATCH 19/39] xfs: log ticket region debug is largely useless Dave Chinner
2021-05-19 12:12 ` [PATCH 20/39] xfs: pass lv chain length into xlog_write() Dave Chinner
2021-05-27 17:20 ` Darrick J. Wong
2021-06-02 22:18 ` Dave Chinner
2021-06-02 22:24 ` Darrick J. Wong
2021-06-02 22:58 ` [PATCH 20/39 V2] " Dave Chinner
2021-06-02 23:01 ` Darrick J. Wong
2021-05-19 12:12 ` [PATCH 21/39] xfs: introduce xlog_write_single() Dave Chinner
2021-05-27 17:27 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 22/39] xfs:_introduce xlog_write_partial() Dave Chinner
2021-05-27 18:06 ` Darrick J. Wong
2021-06-02 22:21 ` Dave Chinner
2021-05-19 12:13 ` [PATCH 23/39] xfs: xlog_write() no longer needs contwr state Dave Chinner
2021-05-19 12:13 ` [PATCH 24/39] xfs: xlog_write() doesn't need optype anymore Dave Chinner
2021-05-27 18:07 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 25/39] xfs: CIL context doesn't need to count iovecs Dave Chinner
2021-05-27 18:08 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 26/39] xfs: use the CIL space used counter for emptiness checks Dave Chinner
2021-05-19 12:13 ` [PATCH 27/39] xfs: lift init CIL reservation out of xc_cil_lock Dave Chinner
2021-05-19 12:13 ` [PATCH 28/39] xfs: rework per-iclog header CIL reservation Dave Chinner
2021-05-27 18:17 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 29/39] xfs: introduce per-cpu CIL tracking structure Dave Chinner
2021-05-27 18:31 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 30/39] xfs: implement percpu cil space used calculation Dave Chinner
2021-05-27 18:41 ` Darrick J. Wong
2021-06-02 23:47 ` Dave Chinner
2021-06-03 1:26 ` Darrick J. Wong
2021-06-03 2:28 ` Dave Chinner
2021-06-03 3:01 ` Darrick J. Wong
2021-06-03 3:56 ` Dave Chinner
2021-05-19 12:13 ` Dave Chinner [this message]
2021-05-27 18:48 ` [PATCH 31/39] xfs: track CIL ticket reservation in percpu structure Darrick J. Wong
2021-05-19 12:13 ` [PATCH 32/39] xfs: convert CIL busy extents to per-cpu Dave Chinner
2021-05-27 18:49 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 33/39] xfs: Add order IDs to log items in CIL Dave Chinner
2021-05-27 19:00 ` Darrick J. Wong
2021-06-03 0:16 ` Dave Chinner
2021-06-03 0:49 ` Darrick J. Wong
2021-06-03 2:13 ` Dave Chinner
2021-06-03 3:02 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 34/39] xfs: convert CIL to unordered per cpu lists Dave Chinner
2021-05-27 19:03 ` Darrick J. Wong
2021-06-03 0:27 ` Dave Chinner
2021-05-19 12:13 ` [PATCH 35/39] xfs: convert log vector chain to use list heads Dave Chinner
2021-05-27 19:13 ` Darrick J. Wong
2021-06-03 0:38 ` Dave Chinner
2021-06-03 0:50 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 36/39] xfs: move CIL ordering to the logvec chain Dave Chinner
2021-05-27 19:14 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 37/39] xfs: avoid cil push lock if possible Dave Chinner
2021-05-27 19:18 ` Darrick J. Wong
2021-05-19 12:13 ` [PATCH 38/39] xfs: xlog_sync() manually adjusts grant head space Dave Chinner
2021-05-19 12:13 ` [PATCH 39/39] xfs: expanding delayed logging design with background material Dave Chinner
2021-05-27 20:38 ` Darrick J. Wong
2021-06-03 0:57 ` Dave Chinner
2021-06-03 5:22 [PATCH 00/39 v5] xfs: CIL and log optimisations Dave Chinner
2021-06-03 5:22 ` [PATCH 31/39] xfs: track CIL ticket reservation in percpu structure Dave Chinner
2021-06-03 16:43 ` Darrick J. Wong
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