diff options
| author | Trond Myklebust <trondmy@gmail.com> | 2020-01-14 20:06:34 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2020-01-25 00:51:13 +0300 |
| commit | f7b37b8b139860ed786bf8ce4358290c6053d94d (patch) | |
| tree | 698b3ba1c636ce876cf452a249d82b95fec0008b /fs/nfs/proc.c | |
| parent | fe1e8dbec11fcad3ae7a34e95fe483d4a2b018fc (diff) | |
| download | linux-f7b37b8b139860ed786bf8ce4358290c6053d94d.tar.xz | |
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/proc.c')
| -rw-r--r-- | fs/nfs/proc.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 0451a094e89e..15c865cc837f 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -152,14 +152,14 @@ nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, } static int -nfs_proc_lookup(struct inode *dir, const struct qstr *name, +nfs_proc_lookup(struct inode *dir, struct dentry *dentry, struct nfs_fh *fhandle, struct nfs_fattr *fattr, struct nfs4_label *label) { struct nfs_diropargs arg = { .fh = NFS_FH(dir), - .name = name->name, - .len = name->len + .name = dentry->d_name.name, + .len = dentry->d_name.len }; struct nfs_diropok res = { .fh = fhandle, @@ -171,10 +171,15 @@ nfs_proc_lookup(struct inode *dir, const struct qstr *name, .rpc_resp = &res, }; int status; + unsigned short task_flags = 0; - dprintk("NFS call lookup %s\n", name->name); + /* 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); nfs_fattr_init(fattr); - status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); + status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); dprintk("NFS reply lookup: %d\n", status); return status; } |