From: Kees Cook <keescook@xxxxxxxxxxxx>
commit cb095afd44768bf495894b9ad063bd078e4bb201 upstream.
In preparation for having additional actions during init/exit, this moves
the init/exit into platform.c, centralizing the logic to make call outs
to the fs init/exit.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Tested-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/pstore/inode.c | 11 ++---------
fs/pstore/internal.h | 5 +++--
fs/pstore/platform.c | 23 +++++++++++++++++++++++
3 files changed, 28 insertions(+), 11 deletions(-)
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -482,12 +482,10 @@ static struct file_system_type pstore_fs
.kill_sb = pstore_kill_sb,
};
-static int __init init_pstore_fs(void)
+int __init pstore_init_fs(void)
{
int err;
- pstore_choose_compression();
-
/* Create a convenient mount point for people to access pstore */
err = sysfs_create_mount_point(fs_kobj, "pstore");
if (err)
@@ -500,14 +498,9 @@ static int __init init_pstore_fs(void)
out:
return err;
}
-module_init(init_pstore_fs)
-static void __exit exit_pstore_fs(void)
+void __exit pstore_exit_fs(void)
{
unregister_filesystem(&pstore_fs_type);
sysfs_remove_mount_point(fs_kobj, "pstore");
}
-module_exit(exit_pstore_fs)
-
-MODULE_AUTHOR("Tony Luck <tony.luck@xxxxxxxxx>");
-MODULE_LICENSE("GPL");
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -37,7 +37,8 @@ extern bool pstore_is_mounted(void);
extern void pstore_record_init(struct pstore_record *record,
struct pstore_info *psi);
-/* Called during module_init() */
-extern void __init pstore_choose_compression(void);
+/* Called during pstore init/exit. */
+int __init pstore_init_fs(void);
+void __exit pstore_exit_fs(void);
#endif
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -780,8 +780,31 @@ void __init pstore_choose_compression(vo
}
}
+static int __init pstore_init(void)
+{
+ int ret;
+
+ pstore_choose_compression();
+
+ ret = pstore_init_fs();
+ if (ret)
+ return ret;
+
+ return 0;
+}
+module_init(pstore_init)
+
+static void __exit pstore_exit(void)
+{
+ pstore_exit_fs();
+}
+module_exit(pstore_exit)
+
module_param(compress, charp, 0444);
MODULE_PARM_DESC(compress, "Pstore compression to use");
module_param(backend, charp, 0444);
MODULE_PARM_DESC(backend, "Pstore backend to use");
+
+MODULE_AUTHOR("Tony Luck <tony.luck@xxxxxxxxx>");
+MODULE_LICENSE("GPL");
