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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-09-20 15:52:13 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-09-28 16:03:12 -0400
commitbb346f63976823c2959b0c5917928f12cbf96e4a (patch)
treeff9fdcdc22165d111469e2ebeb395a1d5c47d4a5
parent965938b83b19aeffdc1d16ce9947c8c127e8f59b (diff)
downloadblackbird-op-linux-bb346f63976823c2959b0c5917928f12cbf96e4a.tar.gz
blackbird-op-linux-bb346f63976823c2959b0c5917928f12cbf96e4a.zip
NFSv4.1: reset the inode MDS threshold counters on layout destruction
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>
-rw-r--r--fs/nfs/pnfs.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 8b32f8745337..ac94fb86fd19 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);
}
@@ -461,9 +465,6 @@ 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;
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