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| author | David S. Miller <davem@davemloft.net> | 2016-01-15 18:36:23 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-15 18:36:23 -0500 |
| commit | 7a26019fdecdb45ff784ae4e3b7e0cc9045100ca (patch) | |
| tree | 511474baafa5b5c0b072e88feaa6bb405724b34f /fs/nfs/nfs42proc.c | |
| parent | 725da8dee445662beea77d3f42c3f4c79f7a7a0e (diff) | |
| parent | 4e5448a31d73d0e944b7adb9049438a09bc332cb (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/nfs/nfs42proc.c')
| -rw-r--r-- | fs/nfs/nfs42proc.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 6b1ce9825430..6e8174930a48 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -204,6 +204,8 @@ static void nfs42_layoutstat_done(struct rpc_task *task, void *calldata) { struct nfs42_layoutstat_data *data = calldata; + struct inode *inode = data->inode; + struct pnfs_layout_hdr *lo; if (!nfs4_sequence_done(task, &data->res.seq_res)) return; @@ -211,12 +213,35 @@ nfs42_layoutstat_done(struct rpc_task *task, void *calldata) switch (task->tk_status) { case 0: break; + case -NFS4ERR_EXPIRED: + case -NFS4ERR_STALE_STATEID: + case -NFS4ERR_OLD_STATEID: + case -NFS4ERR_BAD_STATEID: + spin_lock(&inode->i_lock); + lo = NFS_I(inode)->layout; + if (lo && nfs4_stateid_match(&data->args.stateid, + &lo->plh_stateid)) { + LIST_HEAD(head); + + /* + * Mark the bad layout state as invalid, then retry + * with the current stateid. + */ + set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + pnfs_mark_matching_lsegs_invalid(lo, &head, NULL); + spin_unlock(&inode->i_lock); + pnfs_free_lseg_list(&head); + } else + spin_unlock(&inode->i_lock); + break; case -ENOTSUPP: case -EOPNOTSUPP: - NFS_SERVER(data->inode)->caps &= ~NFS_CAP_LAYOUTSTATS; + NFS_SERVER(inode)->caps &= ~NFS_CAP_LAYOUTSTATS; default: - dprintk("%s server returns %d\n", __func__, task->tk_status); + break; } + + dprintk("%s server returns %d\n", __func__, task->tk_status); } static void |