diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-11-03 01:34:23 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2020-12-02 22:05:52 +0300 |
| commit | 82e22a5e6245873779db1607d3b0fec6f9ca07d0 (patch) | |
| tree | a8389c14d7d3a4d68a4aad75e9b8aa4e99033749 /fs/nfs/nfs3proc.c | |
| parent | 6c981eff23b894ce429281dc45a5589359eef2c1 (diff) | |
| download | linux-82e22a5e6245873779db1607d3b0fec6f9ca07d0.tar.xz | |
NFS: Allow the NFS generic code to pass in a verifier to readdir
If we're ever going to allow support for servers that use the readdir
verifier, then that use needs to be managed by the middle layers as
those need to be able to reject cookies from other verifiers.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Tested-by: Benjamin Coddington <bcodding@redhat.com>
Tested-by: Dave Wysochanski <dwysocha@redhat.com>
Diffstat (limited to 'fs/nfs/nfs3proc.c')
| -rw-r--r-- | fs/nfs/nfs3proc.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 6b66b73a50eb..5c4e23abc345 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -662,37 +662,36 @@ out: * Also note that this implementation handles both plain readdir and * readdirplus. */ -static int -nfs3_proc_readdir(struct dentry *dentry, const struct cred *cred, - u64 cookie, struct page **pages, unsigned int count, bool plus) +static int nfs3_proc_readdir(struct nfs_readdir_arg *nr_arg, + struct nfs_readdir_res *nr_res) { - struct inode *dir = d_inode(dentry); - __be32 *verf = NFS_I(dir)->cookieverf; + struct inode *dir = d_inode(nr_arg->dentry); struct nfs3_readdirargs arg = { .fh = NFS_FH(dir), - .cookie = cookie, - .verf = {verf[0], verf[1]}, - .plus = plus, - .count = count, - .pages = pages + .cookie = nr_arg->cookie, + .plus = nr_arg->plus, + .count = nr_arg->page_len, + .pages = nr_arg->pages }; struct nfs3_readdirres res = { - .verf = verf, - .plus = plus + .verf = nr_res->verf, + .plus = nr_arg->plus, }; struct rpc_message msg = { .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], .rpc_argp = &arg, .rpc_resp = &res, - .rpc_cred = cred, + .rpc_cred = nr_arg->cred, }; int status = -ENOMEM; - if (plus) + if (nr_arg->plus) msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; + if (arg.cookie) + memcpy(arg.verf, nr_arg->verf, sizeof(arg.verf)); - dprintk("NFS call readdir%s %d\n", - plus? "plus" : "", (unsigned int) cookie); + dprintk("NFS call readdir%s %llu\n", nr_arg->plus ? "plus" : "", + (unsigned long long)nr_arg->cookie); res.dir_attr = nfs_alloc_fattr(); if (res.dir_attr == NULL) @@ -705,8 +704,8 @@ nfs3_proc_readdir(struct dentry *dentry, const struct cred *cred, nfs_free_fattr(res.dir_attr); out: - dprintk("NFS reply readdir%s: %d\n", - plus? "plus" : "", status); + dprintk("NFS reply readdir%s: %d\n", nr_arg->plus ? "plus" : "", + status); return status; } |