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NFSv4.1: reset the inode MDS threshold counters on layout destruction

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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>
This commit is contained in:
Trond Myklebust 2012-09-20 15:52:13 -04:00
parent 965938b83b
commit bb346f6397
1 changed files with 5 additions and 4 deletions
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9
fs/nfs/pnfs.c
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@ -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;