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From:   trondmy@kernel.org
To:     linux-nfs@vger.kernel.org
Subject: [PATCH v2 07/22] pNFS: Support per-layout segment commits in pnfs_generic_commit_pagelist()
Date:   Sat, 28 Mar 2020 11:32:05 -0400
Message-Id: <20200328153220.1352010-8-trondmy@kernel.org>
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From: Trond Myklebust <trond.myklebust@hammerspace.com>

Add support for scanning the full list of per-layout segment commit
arrays to pnfs_generic_commit_pagelist().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/pnfs_nfs.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index f16bd6d0e830..f895a28b1e26 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -322,6 +322,20 @@ pnfs_bucket_alloc_ds_commits(struct list_head *list,
 	return nreq;
 }
 
+static unsigned int
+pnfs_alloc_ds_commits_list(struct list_head *list,
+			   struct pnfs_ds_commit_info *fl_cinfo,
+			   struct nfs_commit_info *cinfo)
+{
+	struct pnfs_commit_array *array;
+	unsigned int ret = 0;
+
+	list_for_each_entry(array, &fl_cinfo->commits, cinfo_list)
+		ret += pnfs_bucket_alloc_ds_commits(list, array->buckets,
+				array->nbuckets, cinfo);
+	return ret;
+}
+
 /* This follows nfs_commit_list pretty closely */
 int
 pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
@@ -345,6 +359,8 @@ pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
 
 	nreq += pnfs_bucket_alloc_ds_commits(&list, fl_cinfo->buckets,
 			fl_cinfo->nbuckets, cinfo);
+
+	nreq += pnfs_alloc_ds_commits_list(&list, fl_cinfo, cinfo);
 	if (nreq == 0)
 		goto out;
 
-- 
2.25.1