diff options
| author | Trond Myklebust <trondmy@gmail.com> | 2020-01-14 12:06:34 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2020-01-24 16:51:13 -0500 |
| commit | f7b37b8b139860ed786bf8ce4358290c6053d94d (patch) | |
| tree | 698b3ba1c636ce876cf452a249d82b95fec0008b /fs/nfs/nfs3proc.c | |
| parent | fe1e8dbec11fcad3ae7a34e95fe483d4a2b018fc (diff) | |
| download | linux-f7b37b8b139860ed786bf8ce4358290c6053d94d.tar.bz2 | |
NFS: Add softreval behaviour to nfs_lookup_revalidate()
If the server is unavaliable, we want to allow the revalidating
lookup to time out, and to default to validating the cached dentry
if the 'softreval' mount option is set.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfs3proc.c')
| -rw-r--r-- | fs/nfs/nfs3proc.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 4c93a8bca7dc..a46d1d5d16d8 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -154,14 +154,14 @@ nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, } static int -nfs3_proc_lookup(struct inode *dir, const struct qstr *name, +nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, struct nfs_fh *fhandle, struct nfs_fattr *fattr, struct nfs4_label *label) { struct nfs3_diropargs arg = { .fh = NFS_FH(dir), - .name = name->name, - .len = name->len + .name = dentry->d_name.name, + .len = dentry->d_name.len }; struct nfs3_diropres res = { .fh = fhandle, @@ -173,20 +173,25 @@ nfs3_proc_lookup(struct inode *dir, const struct qstr *name, .rpc_resp = &res, }; int status; + unsigned short task_flags = 0; + /* Is this is an attribute revalidation, subject to softreval? */ + if (nfs_lookup_is_soft_revalidate(dentry)) + task_flags |= RPC_TASK_TIMEOUT; + + dprintk("NFS call lookup %pd2\n", dentry); res.dir_attr = nfs_alloc_fattr(); if (res.dir_attr == NULL) return -ENOMEM; - dprintk("NFS call lookup %s\n", name->name); nfs_fattr_init(fattr); - status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); nfs_refresh_inode(dir, res.dir_attr); if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; msg.rpc_argp = fhandle; msg.rpc_resp = fattr; - status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); } nfs_free_fattr(res.dir_attr); dprintk("NFS reply lookup: %d\n", status); |