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path: root/fs/nfsd/nfs4recover.c
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Diffstat (limited to 'fs/nfsd/nfs4recover.c')
-rw-r--r--fs/nfsd/nfs4recover.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 651d5134e74..3e76d281bba 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -62,7 +62,6 @@ struct nfsd4_client_tracking_ops {
};
/* Globals */
-static struct file *rec_file;
static char user_recovery_dirname[PATH_MAX] = "/var/lib/nfs/v4recovery";
static struct nfsd4_client_tracking_ops *client_tracking_ops;
static bool in_grace;
@@ -182,7 +181,7 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
if (test_and_set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
return;
- if (!rec_file)
+ if (!nn->rec_file)
return;
status = nfs4_make_rec_clidname(dname, &clp->cl_name);
@@ -193,11 +192,11 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
if (status < 0)
return;
- status = mnt_want_write_file(rec_file);
+ status = mnt_want_write_file(nn->rec_file);
if (status)
return;
- dir = rec_file->f_path.dentry;
+ dir = nn->rec_file->f_path.dentry;
/* lock the parent */
mutex_lock(&dir->d_inode->i_mutex);
@@ -227,14 +226,14 @@ out_unlock:
if (crp)
crp->cr_clp = clp;
}
- vfs_fsync(rec_file, 0);
+ vfs_fsync(nn->rec_file, 0);
} else {
printk(KERN_ERR "NFSD: failed to write recovery record"
" (err %d); please check that %s exists"
" and is writeable", status,
user_recovery_dirname);
}
- mnt_drop_write_file(rec_file);
+ mnt_drop_write_file(nn->rec_file);
nfs4_reset_creds(original_cred);
}
@@ -267,7 +266,7 @@ static int
nfsd4_list_rec_dir(recdir_func *f, struct nfsd_net *nn)
{
const struct cred *original_cred;
- struct dentry *dir = rec_file->f_path.dentry;
+ struct dentry *dir = nn->rec_file->f_path.dentry;
LIST_HEAD(names);
int status;
@@ -275,13 +274,13 @@ nfsd4_list_rec_dir(recdir_func *f, struct nfsd_net *nn)
if (status < 0)
return status;
- status = vfs_llseek(rec_file, 0, SEEK_SET);
+ status = vfs_llseek(nn->rec_file, 0, SEEK_SET);
if (status < 0) {
nfs4_reset_creds(original_cred);
return status;
}
- status = vfs_readdir(rec_file, nfsd4_build_namelist, &names);
+ status = vfs_readdir(nn->rec_file, nfsd4_build_namelist, &names);
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
while (!list_empty(&names)) {
struct name_list *entry;
@@ -305,14 +304,14 @@ nfsd4_list_rec_dir(recdir_func *f, struct nfsd_net *nn)
}
static int
-nfsd4_unlink_clid_dir(char *name, int namlen)
+nfsd4_unlink_clid_dir(char *name, int namlen, struct nfsd_net *nn)
{
struct dentry *dir, *dentry;
int status;
dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
- dir = rec_file->f_path.dentry;
+ dir = nn->rec_file->f_path.dentry;
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_one_len(name, dir, namlen);
if (IS_ERR(dentry)) {
@@ -339,14 +338,14 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
int status;
struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
- if (!rec_file || !test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
+ if (!nn->rec_file || !test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
return;
status = nfs4_make_rec_clidname(dname, &clp->cl_name);
if (status)
return legacy_recdir_name_error(status);
- status = mnt_want_write_file(rec_file);
+ status = mnt_want_write_file(nn->rec_file);
if (status)
goto out;
clear_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags);
@@ -355,10 +354,10 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
if (status < 0)
goto out_drop_write;
- status = nfsd4_unlink_clid_dir(dname, HEXDIR_LEN-1);
+ status = nfsd4_unlink_clid_dir(dname, HEXDIR_LEN-1, nn);
nfs4_reset_creds(original_cred);
if (status == 0) {
- vfs_fsync(rec_file, 0);
+ vfs_fsync(nn->rec_file, 0);
if (in_grace) {
/* remove reclaim record */
crp = nfsd4_find_reclaim_client(dname, nn);
@@ -367,7 +366,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
}
}
out_drop_write:
- mnt_drop_write_file(rec_file);
+ mnt_drop_write_file(nn->rec_file);
out:
if (status)
printk("NFSD: Failed to remove expired client state directory"
@@ -396,20 +395,20 @@ nfsd4_recdir_purge_old(struct nfsd_net *nn, time_t boot_time)
int status;
in_grace = false;
- if (!rec_file)
+ if (!nn->rec_file)
return;
- status = mnt_want_write_file(rec_file);
+ status = mnt_want_write_file(nn->rec_file);
if (status)
goto out;
status = nfsd4_list_rec_dir(purge_old, nn);
if (status == 0)
- vfs_fsync(rec_file, 0);
- mnt_drop_write_file(rec_file);
+ vfs_fsync(nn->rec_file, 0);
+ mnt_drop_write_file(nn->rec_file);
out:
nfs4_release_reclaim(nn);
if (status)
printk("nfsd4: failed to purge old clients from recovery"
- " directory %s\n", rec_file->f_path.dentry->d_name.name);
+ " directory %s\n", nn->rec_file->f_path.dentry->d_name.name);
}
static int
@@ -430,13 +429,13 @@ nfsd4_recdir_load(struct net *net) {
int status;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
- if (!rec_file)
+ if (!nn->rec_file)
return 0;
status = nfsd4_list_rec_dir(load_recdir, nn);
if (status)
printk("nfsd4: failed loading clients from recovery"
- " directory %s\n", rec_file->f_path.dentry->d_name.name);
+ " directory %s\n", nn->rec_file->f_path.dentry->d_name.name);
return status;
}
@@ -445,15 +444,16 @@ nfsd4_recdir_load(struct net *net) {
*/
static int
-nfsd4_init_recdir(void)
+nfsd4_init_recdir(struct net *net)
{
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
const struct cred *original_cred;
int status;
printk("NFSD: Using %s as the NFSv4 state recovery directory\n",
user_recovery_dirname);
- BUG_ON(rec_file);
+ BUG_ON(nn->rec_file);
status = nfs4_save_creds(&original_cred);
if (status < 0) {
@@ -463,12 +463,12 @@ nfsd4_init_recdir(void)
return status;
}
- rec_file = filp_open(user_recovery_dirname, O_RDONLY | O_DIRECTORY, 0);
- if (IS_ERR(rec_file)) {
+ nn->rec_file = filp_open(user_recovery_dirname, O_RDONLY | O_DIRECTORY, 0);
+ if (IS_ERR(nn->rec_file)) {
printk("NFSD: unable to find recovery directory %s\n",
user_recovery_dirname);
- status = PTR_ERR(rec_file);
- rec_file = NULL;
+ status = PTR_ERR(nn->rec_file);
+ nn->rec_file = NULL;
}
nfs4_reset_creds(original_cred);
@@ -509,7 +509,7 @@ nfsd4_load_reboot_recovery_data(struct net *net)
{
int status;
- status = nfsd4_init_recdir();
+ status = nfsd4_init_recdir(net);
if (!status)
status = nfsd4_recdir_load(net);
if (status)
@@ -544,12 +544,12 @@ err:
}
static void
-nfsd4_shutdown_recdir(void)
+nfsd4_shutdown_recdir(struct nfsd_net *nn)
{
- if (!rec_file)
+ if (!nn->rec_file)
return;
- fput(rec_file);
- rec_file = NULL;
+ fput(nn->rec_file);
+ nn->rec_file = NULL;
}
static void
@@ -558,7 +558,7 @@ nfsd4_legacy_tracking_exit(struct net *net)
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
nfs4_release_reclaim(nn);
- nfsd4_shutdown_recdir();
+ nfsd4_shutdown_recdir(nn);
nfs4_legacy_state_shutdown(net);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-11 07:21:53 +0000