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authorJens Axboe <jens.axboe@oracle.com>2010-04-22 14:31:11 +0400
committerJens Axboe <jens.axboe@oracle.com>2010-04-22 14:31:11 +0400
commitf1970c73cbb6b884152207e4dfe90639f5029905 (patch)
tree86f8e8c1dc149b46b01e6235eb3f01c7c6c3d5b5
parentb3d0ab7e60d1865bb6f6a79a77aaba22f2543236 (diff)
downloadlinux-f1970c73cbb6b884152207e4dfe90639f5029905.tar.xz
ncpfs: 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/ncpfs/inode.c8
-rw-r--r--include/linux/ncp_fs_sb.h2
2 files changed, 10 insertions, 0 deletions
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index cf98da1be23e..fa3385154023 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -526,10 +526,15 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
sb->s_blocksize_bits = 10;
sb->s_magic = NCP_SUPER_MAGIC;
sb->s_op = &ncp_sops;
+ sb->s_bdi = &server->bdi;
server = NCP_SBP(sb);
memset(server, 0, sizeof(*server));
+ error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
+ if (error)
+ goto out_bdi;
+
server->ncp_filp = ncp_filp;
server->ncp_sock = sock;
@@ -719,6 +724,8 @@ out_fput2:
if (server->info_filp)
fput(server->info_filp);
out_fput:
+ bdi_destroy(&server->bdi);
+out_bdi:
/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
*
* The previously used put_filp(ncp_filp); was bogous, since
@@ -756,6 +763,7 @@ static void ncp_put_super(struct super_block *sb)
kill_pid(server->m.wdog_pid, SIGTERM, 1);
put_pid(server->m.wdog_pid);
+ bdi_destroy(&server->bdi);
kfree(server->priv.data);
kfree(server->auth.object_name);
vfree(server->rxbuf);
diff --git a/include/linux/ncp_fs_sb.h b/include/linux/ncp_fs_sb.h
index 6330fc76b00f..5ec9ca671687 100644
--- a/include/linux/ncp_fs_sb.h
+++ b/include/linux/ncp_fs_sb.h
@@ -12,6 +12,7 @@
#include <linux/ncp_mount.h>
#include <linux/net.h>
#include <linux/mutex.h>
+#include <linux/backing-dev.h>
#ifdef __KERNEL__
@@ -127,6 +128,7 @@ struct ncp_server {
size_t len;
__u8 data[128];
} unexpected_packet;
+ struct backing_dev_info bdi;
};
extern void ncp_tcp_rcv_proc(struct work_struct *work);