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Diffstat (limited to 'fs/autofs4/inode.c')
-rw-r--r--fs/autofs4/inode.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index a3ae0b2aeb5a..61b21051bd5a 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -1,15 +1,11 @@
-/* -*- c -*- --------------------------------------------------------------- *
- *
- * linux/fs/autofs/inode.c
- *
- * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
- * Copyright 2005-2006 Ian Kent <raven@themaw.net>
+/*
+ * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
+ * Copyright 2005-2006 Ian Kent <raven@themaw.net>
*
* This file is part of the Linux kernel and is made available under
* the terms of the GNU General Public License, version 2, or at your
* option, any later version, incorporated herein by reference.
- *
- * ------------------------------------------------------------------------- */
+ */
#include <linux/kernel.h>
#include <linux/slab.h>
@@ -24,7 +20,9 @@
struct autofs_info *autofs4_new_ino(struct autofs_sb_info *sbi)
{
- struct autofs_info *ino = kzalloc(sizeof(*ino), GFP_KERNEL);
+ struct autofs_info *ino;
+
+ ino = kzalloc(sizeof(*ino), GFP_KERNEL);
if (ino) {
INIT_LIST_HEAD(&ino->active);
INIT_LIST_HEAD(&ino->expiring);
@@ -62,7 +60,7 @@ void autofs4_kill_sb(struct super_block *sb)
put_pid(sbi->oz_pgrp);
}
- DPRINTK("shutting down");
+ pr_debug("shutting down\n");
kill_litter_super(sb);
if (sbi)
kfree_rcu(sbi, rcu);
@@ -94,7 +92,12 @@ static int autofs4_show_options(struct seq_file *m, struct dentry *root)
seq_printf(m, ",direct");
else
seq_printf(m, ",indirect");
-
+#ifdef CONFIG_CHECKPOINT_RESTORE
+ if (sbi->pipe)
+ seq_printf(m, ",pipe_ino=%ld", sbi->pipe->f_inode->i_ino);
+ else
+ seq_printf(m, ",pipe_ino=-1");
+#endif
return 0;
}
@@ -147,6 +150,7 @@ static int parse_options(char *options, int *pipefd, kuid_t *uid, kgid_t *gid,
while ((p = strsep(&options, ",")) != NULL) {
int token;
+
if (!*p)
continue;
@@ -204,9 +208,9 @@ static int parse_options(char *options, int *pipefd, kuid_t *uid, kgid_t *gid,
int autofs4_fill_super(struct super_block *s, void *data, int silent)
{
- struct inode * root_inode;
- struct dentry * root;
- struct file * pipe;
+ struct inode *root_inode;
+ struct dentry *root;
+ struct file *pipe;
int pipefd;
struct autofs_sb_info *sbi;
struct autofs_info *ino;
@@ -217,7 +221,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
- DPRINTK("starting up, sbi = %p",sbi);
+ pr_debug("starting up, sbi = %p\n", sbi);
s->s_fs_info = sbi;
sbi->magic = AUTOFS_SBI_MAGIC;
@@ -266,14 +270,14 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
if (parse_options(data, &pipefd, &root_inode->i_uid, &root_inode->i_gid,
&pgrp, &pgrp_set, &sbi->type, &sbi->min_proto,
&sbi->max_proto)) {
- printk("autofs: called with bogus options\n");
+ pr_err("called with bogus options\n");
goto fail_dput;
}
if (pgrp_set) {
sbi->oz_pgrp = find_get_pid(pgrp);
if (!sbi->oz_pgrp) {
- pr_warn("autofs: could not find process group %d\n",
+ pr_err("could not find process group %d\n",
pgrp);
goto fail_dput;
}
@@ -290,10 +294,10 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
/* Couldn't this be tested earlier? */
if (sbi->max_proto < AUTOFS_MIN_PROTO_VERSION ||
sbi->min_proto > AUTOFS_MAX_PROTO_VERSION) {
- printk("autofs: kernel does not match daemon version "
+ pr_err("kernel does not match daemon version "
"daemon (%d, %d) kernel (%d, %d)\n",
- sbi->min_proto, sbi->max_proto,
- AUTOFS_MIN_PROTO_VERSION, AUTOFS_MAX_PROTO_VERSION);
+ sbi->min_proto, sbi->max_proto,
+ AUTOFS_MIN_PROTO_VERSION, AUTOFS_MAX_PROTO_VERSION);
goto fail_dput;
}
@@ -304,11 +308,11 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
sbi->version = sbi->max_proto;
sbi->sub_version = AUTOFS_PROTO_SUBVERSION;
- DPRINTK("pipe fd = %d, pgrp = %u", pipefd, pid_nr(sbi->oz_pgrp));
+ pr_debug("pipe fd = %d, pgrp = %u\n", pipefd, pid_nr(sbi->oz_pgrp));
pipe = fget(pipefd);
if (!pipe) {
- printk("autofs: could not open pipe file descriptor\n");
+ pr_err("could not open pipe file descriptor\n");
goto fail_dput;
}
ret = autofs_prepare_pipe(pipe);
@@ -323,12 +327,12 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
*/
s->s_root = root;
return 0;
-
+
/*
* Failure ... clean up.
*/
fail_fput:
- printk("autofs: pipe file descriptor does not contain proper ops\n");
+ pr_err("pipe file descriptor does not contain proper ops\n");
fput(pipe);
/* fall through */
fail_dput: