[PATCH 3/3] NFS: Clean up reset of the mirror accounting variables

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From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
 fs/nfs/pagelist.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index a5d3e2a12ae9..855f159fe9da 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -810,6 +810,13 @@ static void nfs_pgio_release(void *calldata)
 	hdr->completion_ops->completion(hdr);
 }
 
+static void nfs_pageio_mirror_reset(struct nfs_pgio_mirror *mirror)
+{
+	mirror->pg_count = 0;
+	mirror->pg_base = 0;
+	mirror->pg_recoalesce = 0;
+}
+
 static void nfs_pageio_mirror_init(struct nfs_pgio_mirror *mirror,
 				   unsigned int bsize)
 {
@@ -1133,9 +1140,7 @@ static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)
 	}
 	if (list_empty(&mirror->pg_list)) {
 		mirror->pg_bytes_written += mirror->pg_count;
-		mirror->pg_count = 0;
-		mirror->pg_base = 0;
-		mirror->pg_recoalesce = 0;
+		nfs_pageio_mirror_reset(mirror);
 	}
 }
 
@@ -1225,9 +1230,7 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)
 
 	do {
 		list_splice_init(&mirror->pg_list, &head);
-		mirror->pg_count = 0;
-		mirror->pg_base = 0;
-		mirror->pg_recoalesce = 0;
+		nfs_pageio_mirror_reset(mirror);
 
 		while (!list_empty(&head)) {
 			struct nfs_page *req;
@@ -1275,9 +1278,7 @@ static void nfs_pageio_error_cleanup(struct nfs_pageio_descriptor *desc)
 		mirror = nfs_pgio_get_mirror(desc, midx);
 		desc->pg_completion_ops->error_cleanup(&mirror->pg_list,
 				desc->pg_error);
-		mirror->pg_count = 0;
-		mirror->pg_base = 0;
-		mirror->pg_recoalesce = 0;
+		nfs_pageio_mirror_reset(mirror);
 	}
 }
 
-- 
2.31.1




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