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ncpfs: add bdi backing to mount session

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This ensures that dirty data gets flushed properly.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2010-04-22 12:31:11 +02:00
parent b3d0ab7e60
commit f1970c73cb
2 changed files with 10 additions and 0 deletions
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8
fs/ncpfs/inode.c
View file

@ -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 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
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);

2
include/linux/ncp_fs_sb.h
View file

@ -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);