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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>
hifive-unleashed-5.1
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;