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[06/14] NFSv4.1: reset the inode MDS threshold counters on layout destruction

Message ID 1348191357-44503-6-git-send-email-Trond.Myklebust@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Trond Myklebust Sept. 21, 2012, 1:35 a.m. UTC 
Instead of resetting the inode MDS threshold counters when we mark
the layout for destruction, do it as part of freeing the layout.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/pnfs.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
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Patch

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index f3acb68..8633b78 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -215,9 +215,13 @@  pnfs_free_layout_hdr(struct pnfs_layout_hdr *lo)
 static void
 destroy_layout_hdr(struct pnfs_layout_hdr *lo)
 {
+	struct nfs_inode *nfsi = NFS_I(lo->plh_inode);
 	dprintk("%s: freeing layout cache %p\n", __func__, lo);
 	BUG_ON(!list_empty(&lo->plh_layouts));
-	NFS_I(lo->plh_inode)->layout = NULL;
+	nfsi->layout = NULL;
+	/* Reset MDS Threshold I/O counters */
+	nfsi->write_io = 0;
+	nfsi->read_io = 0;
 	pnfs_free_layout_hdr(lo);
 }
 
@@ -436,9 +440,6 @@  pnfs_mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo,
 	dprintk("%s:Begin lo %p\n", __func__, lo);
 
 	if (list_empty(&lo->plh_segs)) {
-		/* Reset MDS Threshold I/O counters */
-		NFS_I(lo->plh_inode)->write_io = 0;
-		NFS_I(lo->plh_inode)->read_io = 0;
 		if (!test_and_set_bit(NFS_LAYOUT_DESTROYED, &lo->plh_flags))
 			pnfs_put_layout_hdr_locked(lo);
 		return 0;