qubes-linux-kernel/patches.fixes/novfs-bdi-init.diff
2011-04-19 22:09:59 +02:00

55 lines
1.2 KiB
Diff

From: Sankar P <psankar@novell.com>
Subject: novfs: backing device info initialization
References: bnc#623472
Patch-mainline: no
The patch initializes and destroys the backing device info struct
for the novfs properly. Fixes an OOPS as well.
Acked-by: Jan Kara <jack@novell.com>
Acked-by: Sankar P <psankar@novell.com>
Signed-off-by: Anders Johansson <ajohansson@novell.com>
---
fs/novfs/inode.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/fs/novfs/inode.c
+++ b/fs/novfs/inode.c
@@ -3977,6 +3977,17 @@ int __init init_novfs(void)
inHAX = 0;
inHAXTime = get_nanosecond_time();
+ retCode = bdi_init(&novfs_backing_dev_info);
+
+ if(!retCode)
+ retCode = bdi_register(&novfs_backing_dev_info, NULL, "novfs-map");
+ if (retCode) {
+ bdi_destroy(&novfs_backing_dev_info);
+ goto bdi_fail;
+ }
+
+
+
retCode = novfs_proc_init();
novfs_profile_init();
@@ -3992,6 +4003,8 @@ int __init init_novfs(void)
novfs_scope_exit();
}
}
+
+bdi_fail:
return (retCode);
}
@@ -4007,6 +4020,8 @@ void __exit exit_novfs(void)
kfree(novfs_current_mnt);
novfs_current_mnt = NULL;
}
+
+ bdi_destroy(&novfs_backing_dev_info);
}
int novfs_lock_inode_cache(struct inode *i)