ncpfs: add bdi backing to mount session

This ensures that dirty data gets flushed properly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

ncpfs: add bdi backing to mount session
This ensures that dirty data gets flushed properly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe
1 parent b3d0ab7e60
Showing 2 changed files with 10 additions and 0 deletions Side-by-side Diff
fs/ncpfs/inode.c
include/linux/ncp_fs_sb.h
@@ -526,10 +526,15 @@
 	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 @@
 	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 @@
 	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);
@@ -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 @@
 		size_t len;
 		__u8 data[128];
 	} unexpected_packet;
+	struct backing_dev_info bdi;
 };
  
 extern void ncp_tcp_rcv_proc(struct work_struct *work);
...	...	@@ -526,10 +526,15 @@
526	526	sb->s_blocksize_bits = 10;
527	527	sb->s_magic = NCP_SUPER_MAGIC;
528	528	sb->s_op = &ncp_sops;
	529	+ sb->s_bdi = &server->bdi;
529	530
530	531	server = NCP_SBP(sb);
531	532	memset(server, 0, sizeof(*server));
532	533
	534	+ error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY);
	535	+ if (error)
	536	+ goto out_bdi;
	537	+
533	538	server->ncp_filp = ncp_filp;
534	539	server->ncp_sock = sock;
535	540
...	...	@@ -719,6 +724,8 @@
719	724	if (server->info_filp)
720	725	fput(server->info_filp);
721	726	out_fput:
	727	+ bdi_destroy(&server->bdi);
	728	+out_bdi:
722	729	/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>:
723	730	*
724	731	* The previously used put_filp(ncp_filp); was bogous, since
...	...	@@ -756,6 +763,7 @@
756	763	kill_pid(server->m.wdog_pid, SIGTERM, 1);
757	764	put_pid(server->m.wdog_pid);
758	765
	766	+ bdi_destroy(&server->bdi);
759	767	kfree(server->priv.data);
760	768	kfree(server->auth.object_name);
761	769	vfree(server->rxbuf);
...	...	@@ -12,6 +12,7 @@
12	12	#include <linux/ncp_mount.h>
13	13	#include <linux/net.h>
14	14	#include <linux/mutex.h>
	15	+#include <linux/backing-dev.h>
15	16
16	17	#ifdef __KERNEL__
17	18
...	...	@@ -127,6 +128,7 @@
127	128	size_t len;
128	129	__u8 data[128];
129	130	} unexpected_packet;
	131	+ struct backing_dev_info bdi;
130	132	};
131	133
132	134	extern void ncp_tcp_rcv_proc(struct work_struct *work);