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From: James Simmons <jsimmons@infradead.org>
To: Andreas Dilger <adilger@whamcloud.com>,
	Oleg Drokin <green@whamcloud.com>, NeilBrown <neilb@suse.de>
Cc: Lustre Development List <lustre-devel@lists.lustre.org>
Subject: [lustre-devel] [PATCH 23/39] lustre: llite: don't check layout info for page discard
Date: Thu, 21 Jan 2021 12:16:46 -0500
Message-ID: <1611249422-556-24-git-send-email-jsimmons@infradead.org> (raw)
In-Reply-To: <1611249422-556-1-git-send-email-jsimmons@infradead.org>

From: Bobi Jam <bobijam@whamcloud.com>

The CIT_MISC+ignore_layout is indicating locks/pages manipulation
from the OSC layer, it does not care/access lov layout related info.

WC-bug-id: https://jira.whamcloud.com/browse/LU-14042
Lustre-commit: 5d1ffc65d5a97c ("LU-14042 llite: don't check layout info for page discard")
Signed-off-by: Bobi Jam <bobijam@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/40267
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Yingjin Qian <qian@ddn.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 fs/lustre/lov/lov_io.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/fs/lustre/lov/lov_io.c b/fs/lustre/lov/lov_io.c
index 20fcde1..7f0e945 100644
--- a/fs/lustre/lov/lov_io.c
+++ b/fs/lustre/lov/lov_io.c
@@ -465,8 +465,6 @@ static int lov_io_slice_init(struct lov_io *lio, struct lov_object *obj,
 	io->ci_result = 0;
 	lio->lis_object = obj;
 
-	LASSERT(obj->lo_lsm);
-
 	switch (io->ci_type) {
 	case CIT_READ:
 	case CIT_WRITE:
@@ -555,6 +553,18 @@ static int lov_io_slice_init(struct lov_io *lio, struct lov_object *obj,
 	default:
 		LBUG();
 	}
+
+	/*
+	 * CIT_MISC + ci_ignore_layout can identify the I/O from the OSC layer,
+	 * it won't care/access lov layout related info.
+	 */
+	if (io->ci_ignore_layout && io->ci_type == CIT_MISC) {
+		result = 0;
+		goto out;
+	}
+
+	LASSERT(obj->lo_lsm);
+
 	result = lov_io_mirror_init(lio, obj, io);
 	if (result)
 		goto out;
-- 
1.8.3.1

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Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21 17:16 [lustre-devel] [PATCH 00/39] lustre: update to latest OpenSFS version as of Jan 21 2021 James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 01/39] lustre: ldlm: page discard speedup James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 02/39] lustre: ptlrpc: fixes for RCU-related stalls James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 03/39] lustre: ldlm: Do not wait for lock replay sending if import dsconnected James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 04/39] lustre: ldlm: Do not hang if recovery restarted during lock replay James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 05/39] lnet: Correct handling of NETWORK_TIMEOUT status James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 06/39] lnet: Introduce constant for net ID of LNET_NID_ANY James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 07/39] lustre: ldlm: Don't re-enqueue glimpse lock on read James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 08/39] lustre: osc: prevent overflow of o_dropped James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 09/39] lustre: llite: fix client evicition with DIO James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 10/39] lustre: Use vfree_atomic instead of vfree James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 11/39] lnet: lnd: Use NETWORK_TIMEOUT for txs on ibp_tx_queue James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 12/39] lnet: lnd: Use NETWORK_TIMEOUT for some conn failures James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 13/39] lustre: llite: allow DIO with unaligned IO count James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 14/39] lustre: osc: skip 0 row for rpc_stats James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 15/39] lustre: quota: df should return projid-specific values James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 16/39] lnet: discard the callback James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 17/39] lustre: llite: try to improve mmap performance James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 18/39] lnet: Introduce lnet_recovery_limit parameter James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 19/39] lustre: mdc: avoid easize set to 0 James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 20/39] lustre: lmv: optimize dir shard revalidate James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 21/39] lustre: ldlm: osc_object_ast_clear() is called for mdc object on eviction James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 22/39] lustre: uapi: fix compatibility for LL_IOC_MDC_GETINFO James Simmons
2021-01-21 17:16 ` James Simmons [this message]
2021-01-21 17:16 ` [lustre-devel] [PATCH 24/39] lustre: update version to 2.13.57 James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 25/39] lnet: o2iblnd: retry qp creation with reduced queue depth James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 26/39] lustre: lov: fix SEEK_HOLE calcs at component end James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 27/39] lustre: lov: instantiate components layout for fallocate James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 28/39] lustre: dom: non-blocking enqueue for DOM locks James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 29/39] lustre: llite: fiemap set flags for encrypted files James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 30/39] lustre: ldlm: don't compute sumsq for pool stats James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 31/39] lustre: lov: FIEMAP support for PFL and FLR file James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 32/39] lustre: mdc: process changelogs_catalog from the oldest rec James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 33/39] lustre: ldlm: Use req_mode while lock cleanup James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 34/39] lnet: socklnd: announce deprecation of 'use_tcp_bonding' James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 35/39] lnet: o2iblnd: remove FMR-pool support James Simmons
2021-01-21 17:16 ` [lustre-devel] [PATCH 36/39] lustre: llite: return EOPNOTSUPP if fallocate is not supported James Simmons
2021-01-21 17:17 ` [lustre-devel] [PATCH 37/39] lnet: use an unbound cred in kiblnd_resolve_addr() James Simmons
2021-01-21 17:17 ` [lustre-devel] [PATCH 38/39] lustre: lov: correctly set OST obj size James Simmons
2021-01-21 17:17 ` [lustre-devel] [PATCH 39/39] lustre: cksum: add lprocfs checksum support in MDC/MDT James Simmons

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