mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 21:57:43 +00:00
Code Issues Releases Wiki Activity

NFSv3: Add emulation of the lookupp() operation

Browse source 
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>
This commit is contained in:
Trond Myklebust 2020-10-19 12:45:53 -04:00
parent 5f447cb881
commit 3c5e9a59fa
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
fs/nfs/nfs3proc.c
View file

@ -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,