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authorJens Axboe <jens.axboe@oracle.com>2010-04-22 12:37:07 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-04-22 12:37:07 +0200
commit424264b7b220e8eee165dc3080ae48692af73dec (patch)
treef946baadbb45ae77e76807df3d394aff88dcd801
parentf1970c73cbb6b884152207e4dfe90639f5029905 (diff)
smbfs: add bdi backing to mount session
This ensures that dirty data gets flushed properly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
-rw-r--r--fs/smbfs/inode.c8
-rw-r--r--include/linux/smb_fs_sb.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c
index 1c4c8f089970..dfa1d67f8fca 100644
--- a/fs/smbfs/inode.c
+++ b/fs/smbfs/inode.c
@@ -479,6 +479,7 @@ smb_put_super(struct super_block *sb)
if (server->conn_pid)
kill_pid(server->conn_pid, SIGTERM, 1);
+ bdi_destroy(&server->bdi);
kfree(server->ops);
smb_unload_nls(server);
sb->s_fs_info = NULL;
@@ -525,6 +526,11 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
if (!server)
goto out_no_server;
sb->s_fs_info = server;
+
+ if (bdi_setup_and_register(&server->bdi, "smbfs", BDI_CAP_MAP_COPY))
+ goto out_bdi;
+
+ sb->s_bdi = &server->bdi;
server->super_block = sb;
server->mnt = NULL;
@@ -624,6 +630,8 @@ out_no_smbiod:
out_bad_option:
kfree(mem);
out_no_mem:
+ bdi_destroy(&server->bdi);
+out_bdi:
if (!server->mnt)
printk(KERN_ERR "smb_fill_super: allocation failure\n");
sb->s_fs_info = NULL;
diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h
index 8a060a7040d8..bb947dd1fba9 100644
--- a/include/linux/smb_fs_sb.h
+++ b/include/linux/smb_fs_sb.h
@@ -10,6 +10,7 @@
#define _SMB_FS_SB
#include <linux/types.h>
+#include <linux/backing-dev.h>
#include <linux/smb.h>
/*
@@ -74,6 +75,8 @@ struct smb_sb_info {
struct smb_ops *ops;
struct super_block *super_block;
+
+ struct backing_dev_info bdi;
};
static inline int