#include <linux/scatterlist.h>
#include <linux/crypto.h>
#include <linux/sched.h>
+#include <linux/mount.h>
#define NFSDDBG_FACILITY NFSDDBG_PROC
/* Globals */
-static struct nameidata rec_dir;
+static struct path rec_dir;
static int rec_dir_init = 0;
static void
static void
nfsd4_sync_rec_dir(void)
{
- mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
- nfsd_sync_dir(rec_dir.path.dentry);
- mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+ nfsd_sync_dir(rec_dir.dentry);
+ mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
}
int
nfs4_save_user(&uid, &gid);
/* lock the parent */
- mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(dname, rec_dir.path.dentry, HEXDIR_LEN-1);
+ dentry = lookup_one_len(dname, rec_dir.dentry, HEXDIR_LEN-1);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
goto out_unlock;
dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
goto out_put;
}
- status = vfs_mkdir(rec_dir.path.dentry->d_inode, dentry, S_IRWXU);
+ status = mnt_want_write(rec_dir.mnt);
+ if (status)
+ goto out_put;
+ status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
+ mnt_drop_write(rec_dir.mnt);
out_put:
dput(dentry);
out_unlock:
- mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+ mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
if (status == 0) {
clp->cl_firststate = 1;
nfsd4_sync_rec_dir();
nfs4_save_user(&uid, &gid);
- filp = dentry_open(dget(dir), mntget(rec_dir.path.mnt), O_RDONLY);
+ filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
status = PTR_ERR(filp);
if (IS_ERR(filp))
goto out;
dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
- mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(name, rec_dir.path.dentry, namlen);
- mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+ dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+ mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
return status;
if (!dentry->d_inode)
goto out;
- status = nfsd4_clear_clid_dir(rec_dir.path.dentry, dentry);
+ status = nfsd4_clear_clid_dir(rec_dir.dentry, dentry);
out:
dput(dentry);
return status;
if (!rec_dir_init || !clp->cl_firststate)
return;
+ status = mnt_want_write(rec_dir.mnt);
+ if (status)
+ goto out;
clp->cl_firststate = 0;
nfs4_save_user(&uid, &gid);
status = nfsd4_unlink_clid_dir(clp->cl_recdir, HEXDIR_LEN-1);
nfs4_reset_user(uid, gid);
if (status == 0)
nfsd4_sync_rec_dir();
+ mnt_drop_write(rec_dir.mnt);
+out:
if (status)
printk("NFSD: Failed to remove expired client state directory"
" %.*s\n", HEXDIR_LEN, clp->cl_recdir);
if (!rec_dir_init)
return;
- status = nfsd4_list_rec_dir(rec_dir.path.dentry, purge_old);
+ status = mnt_want_write(rec_dir.mnt);
+ if (status)
+ goto out;
+ status = nfsd4_list_rec_dir(rec_dir.dentry, purge_old);
if (status == 0)
nfsd4_sync_rec_dir();
+ mnt_drop_write(rec_dir.mnt);
+out:
if (status)
printk("nfsd4: failed to purge old clients from recovery"
- " directory %s\n", rec_dir.path.dentry->d_name.name);
- return;
+ " directory %s\n", rec_dir.dentry->d_name.name);
}
static int
nfsd4_recdir_load(void) {
int status;
- status = nfsd4_list_rec_dir(rec_dir.path.dentry, load_recdir);
+ status = nfsd4_list_rec_dir(rec_dir.dentry, load_recdir);
if (status)
printk("nfsd4: failed loading clients from recovery"
- " directory %s\n", rec_dir.path.dentry->d_name.name);
+ " directory %s\n", rec_dir.dentry->d_name.name);
return status;
}
nfs4_save_user(&uid, &gid);
- status = path_lookup(rec_dirname, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
+ status = kern_path(rec_dirname, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
&rec_dir);
if (status)
printk("NFSD: unable to find recovery directory %s\n",
if (!rec_dir_init)
return;
rec_dir_init = 0;
- path_put(&rec_dir.path);
+ path_put(&rec_dir);
}