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NFSv4: Don't discard the attributes returned by asynchronous DELEGRETURN 

DELEGRETURN will always carry a reference to the inode except when
the latter is being freed, so let's ensure that we always use that
inode information to ensure close-to-open cache consistency, even
when the DELEGRETURN call is asynchronous.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-12-16 19:48:09 -05:00
parent e603a4c1b5
commit 0bc2c9b4dc
1 changed files with 1 additions and 4 deletions
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5
fs/nfs/nfs4proc.c
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@ -5699,6 +5699,7 @@ static void nfs4_delegreturn_release(void *calldata)
if (data->lr.roc)
pnfs_roc_release(&data->lr.arg, &data->lr.res,
data->res.lr_ret);
nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
nfs_iput_and_deactive(inode);
}
kfree(calldata);
@ -5787,10 +5788,6 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co
if (status != 0)
goto out;
status = data->rpc_status;
if (status == 0)
nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
else
nfs_refresh_inode(inode, &data->fattr);
out:
rpc_put_task(task);
return status;