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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 22:49:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 22:49:19 -0700
commit2dad3206db5c3832cde1f58650027fea3ff7adf3 (patch)
tree96314a554afdab5904a939793156d4ae23ec11c1 /fs/nfsctl.c
parent84635d68be4b846ba984a89f386524153330c597 (diff)
parent0c12eaffdf09466f36a9ffe970dda8f4aeb6efc0 (diff)
Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux
* 'for-3.1' of git://linux-nfs.org/~bfields/linux: nfsd: don't break lease on CLAIM_DELEGATE_CUR locks: rename lock-manager ops nfsd4: update nfsv4.1 implementation notes nfsd: turn on reply cache for NFSv4 nfsd4: call nfsd4_release_compoundargs from pc_release nfsd41: Deny new lock before RECLAIM_COMPLETE done fs: locks: remove init_once nfsd41: check the size of request nfsd41: error out when client sets maxreq_sz or maxresp_sz too small nfsd4: fix file leak on open_downgrade nfsd4: remember to put RW access on stateid destruction NFSD: Added TEST_STATEID operation NFSD: added FREE_STATEID operation svcrpc: fix list-corrupting race on nfsd shutdown rpc: allow autoloading of gss mechanisms svcauth_unix.c: quiet sparse noise svcsock.c: include sunrpc.h to quiet sparse noise nfsd: Remove deprecated nfsctl system call and related code. NFSD: allow OP_DESTROY_CLIENTID to be only op in COMPOUND Fix up trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'fs/nfsctl.c')
-rw-r--r--fs/nfsctl.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/fs/nfsctl.c b/fs/nfsctl.c
deleted file mode 100644
index 124e8fcb0dd..00000000000
--- a/fs/nfsctl.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * fs/nfsctl.c
- *
- * This should eventually move to userland.
- *
- */
-#include <linux/types.h>
-#include <linux/file.h>
-#include <linux/fs.h>
-#include <linux/nfsd/syscall.h>
-#include <linux/cred.h>
-#include <linux/sched.h>
-#include <linux/linkage.h>
-#include <linux/namei.h>
-#include <linux/mount.h>
-#include <linux/syscalls.h>
-#include <asm/uaccess.h>
-
-/*
- * open a file on nfsd fs
- */
-
-static struct file *do_open(char *name, int flags)
-{
- struct vfsmount *mnt;
- struct file *file;
-
- mnt = do_kern_mount("nfsd", 0, "nfsd", NULL);
- if (IS_ERR(mnt))
- return (struct file *)mnt;
-
- file = file_open_root(mnt->mnt_root, mnt, name, flags);
-
- mntput(mnt); /* drop do_kern_mount reference */
- return file;
-}
-
-static struct {
- char *name; int wsize; int rsize;
-} map[] = {
- [NFSCTL_SVC] = {
- .name = ".svc",
- .wsize = sizeof(struct nfsctl_svc)
- },
- [NFSCTL_ADDCLIENT] = {
- .name = ".add",
- .wsize = sizeof(struct nfsctl_client)
- },
- [NFSCTL_DELCLIENT] = {
- .name = ".del",
- .wsize = sizeof(struct nfsctl_client)
- },
- [NFSCTL_EXPORT] = {
- .name = ".export",
- .wsize = sizeof(struct nfsctl_export)
- },
- [NFSCTL_UNEXPORT] = {
- .name = ".unexport",
- .wsize = sizeof(struct nfsctl_export)
- },
- [NFSCTL_GETFD] = {
- .name = ".getfd",
- .wsize = sizeof(struct nfsctl_fdparm),
- .rsize = NFS_FHSIZE
- },
- [NFSCTL_GETFS] = {
- .name = ".getfs",
- .wsize = sizeof(struct nfsctl_fsparm),
- .rsize = sizeof(struct knfsd_fh)
- },
-};
-
-SYSCALL_DEFINE3(nfsservctl, int, cmd, struct nfsctl_arg __user *, arg,
- void __user *, res)
-{
- struct file *file;
- void __user *p = &arg->u;
- int version;
- int err;
-
- if (copy_from_user(&version, &arg->ca_version, sizeof(int)))
- return -EFAULT;
-
- if (version != NFSCTL_VERSION)
- return -EINVAL;
-
- if (cmd < 0 || cmd >= ARRAY_SIZE(map) || !map[cmd].name)
- return -EINVAL;
-
- file = do_open(map[cmd].name, map[cmd].rsize ? O_RDWR : O_WRONLY);
- if (IS_ERR(file))
- return PTR_ERR(file);
- err = file->f_op->write(file, p, map[cmd].wsize, &file->f_pos);
- if (err >= 0 && map[cmd].rsize)
- err = file->f_op->read(file, res, map[cmd].rsize, &file->f_pos);
- if (err >= 0)
- err = 0;
- fput(file);
- return err;
-}