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Diffstat (limited to 'fs/autofs')
-rw-r--r--fs/autofs/autofs_i.h1
-rw-r--r--fs/autofs/dirhash.c1
-rw-r--r--fs/autofs/init.c2
-rw-r--r--fs/autofs/inode.c18
-rw-r--r--fs/autofs/waitq.c1
5 files changed, 18 insertions, 5 deletions
diff --git a/fs/autofs/autofs_i.h b/fs/autofs/autofs_i.h
index c7700d9b3f9..906ba5ce226 100644
--- a/fs/autofs/autofs_i.h
+++ b/fs/autofs/autofs_i.h
@@ -149,6 +149,7 @@ extern const struct file_operations autofs_root_operations;
/* Initializing function */
int autofs_fill_super(struct super_block *, void *, int);
+void autofs_kill_sb(struct super_block *sb);
/* Queue management functions */
diff --git a/fs/autofs/dirhash.c b/fs/autofs/dirhash.c
index 3fded389d06..bf8c8af9800 100644
--- a/fs/autofs/dirhash.c
+++ b/fs/autofs/dirhash.c
@@ -246,5 +246,4 @@ void autofs_hash_nuke(struct autofs_sb_info *sbi)
kfree(ent);
}
}
- shrink_dcache_sb(sbi->sb);
}
diff --git a/fs/autofs/init.c b/fs/autofs/init.c
index aca12375240..cea5219b4f3 100644
--- a/fs/autofs/init.c
+++ b/fs/autofs/init.c
@@ -24,7 +24,7 @@ static struct file_system_type autofs_fs_type = {
.owner = THIS_MODULE,
.name = "autofs",
.get_sb = autofs_get_sb,
- .kill_sb = kill_anon_super,
+ .kill_sb = autofs_kill_sb,
};
static int __init init_autofs_fs(void)
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index 2c9759baad6..38ede5c9d6f 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -20,11 +20,19 @@
#include "autofs_i.h"
#include <linux/module.h>
-static void autofs_put_super(struct super_block *sb)
+void autofs_kill_sb(struct super_block *sb)
{
struct autofs_sb_info *sbi = autofs_sbi(sb);
unsigned int n;
+ /*
+ * In the event of a failure in get_sb_nodev the superblock
+ * info is not present so nothing else has been setup, so
+ * just exit when we are called from deactivate_super.
+ */
+ if (!sbi)
+ return;
+
if ( !sbi->catatonic )
autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
@@ -37,13 +45,13 @@ static void autofs_put_super(struct super_block *sb)
kfree(sb->s_fs_info);
DPRINTK(("autofs: shutting down\n"));
+ kill_anon_super(sb);
}
static void autofs_read_inode(struct inode *inode);
static struct super_operations autofs_sops = {
.read_inode = autofs_read_inode,
- .put_super = autofs_put_super,
.statfs = simple_statfs,
};
@@ -136,7 +144,8 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
s->s_fs_info = sbi;
sbi->magic = AUTOFS_SBI_MAGIC;
- sbi->catatonic = 0;
+ sbi->pipe = NULL;
+ sbi->catatonic = 1;
sbi->exp_timeout = 0;
sbi->oz_pgrp = process_group(current);
autofs_initialize_hash(&sbi->dirhash);
@@ -180,6 +189,7 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
if ( !pipe->f_op || !pipe->f_op->write )
goto fail_fput;
sbi->pipe = pipe;
+ sbi->catatonic = 0;
/*
* Success! Install the root dentry now to indicate completion.
@@ -198,6 +208,8 @@ fail_iput:
iput(root_inode);
fail_free:
kfree(sbi);
+ s->s_fs_info = NULL;
+ kill_anon_super(s);
fail_unlock:
return -EINVAL;
}
diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index 633f628005b..19a9cafb5dd 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -41,6 +41,7 @@ void autofs_catatonic_mode(struct autofs_sb_info *sbi)
wq = nwq;
}
fput(sbi->pipe); /* Close the pipe */
+ sbi->pipe = NULL;
autofs_hash_dputall(&sbi->dirhash); /* Remove all dentry pointers */
}