diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-10-19 12:45:53 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-02 14:05:51 -0500 |
| commit | 3c5e9a59faa6b1bb3110b961e695502c7ee8699b (patch) | |
| tree | 277dfcef7e99d976fc14b26116b79cecc75f6765 /fs/nfs | |
| parent | 5f447cb88123857d69f0c1a665356688037c6ad3 (diff) | |
NFSv3: Add emulation of the lookupp() operation
In order to use the open_by_filehandle() operations on NFSv3, we need
to be able to emulate lookupp() so that nfs_get_parent() can be used
to convert disconnected dentries into connected ones.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs3proc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index acbdf7496d31..6b66b73a50eb 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -209,6 +209,20 @@ nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, task_flags); } +static int nfs3_proc_lookupp(struct inode *inode, struct nfs_fh *fhandle, + struct nfs_fattr *fattr, struct nfs4_label *label) +{ + const char dotdot[] = ".."; + const size_t len = strlen(dotdot); + unsigned short task_flags = 0; + + if (NFS_SERVER(inode)->flags & NFS_MOUNT_SOFTREVAL) + task_flags |= RPC_TASK_TIMEOUT; + + return __nfs3_proc_lookup(inode, dotdot, len, fhandle, fattr, + task_flags); +} + static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) { struct nfs3_accessargs arg = { @@ -1015,6 +1029,7 @@ const struct nfs_rpc_ops nfs_v3_clientops = { .getattr = nfs3_proc_getattr, .setattr = nfs3_proc_setattr, .lookup = nfs3_proc_lookup, + .lookupp = nfs3_proc_lookupp, .access = nfs3_proc_access, .readlink = nfs3_proc_readlink, .create = nfs3_proc_create, |