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Commit 5163d900 authored by Jens Axboe's avatar Jens Axboe
Browse files

coda: add bdi backing to mount session 



This ensures that dirty data gets flushed properly.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 8044f7f4

fs/coda/inode.c

+8 −0
Original line number Diff line number Diff line
@@ -167,6 +167,10 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) 
		return -EBUSY;

	}



	error = bdi_setup_and_register(&vc->bdi, "coda", BDI_CAP_MAP_COPY);

	if (error)

		goto bdi_err;



	vc->vc_sb = sb;



	sb->s_fs_info = vc;
@@ -175,6 +179,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) 
	sb->s_blocksize_bits = 12;

	sb->s_magic = CODA_SUPER_MAGIC;

	sb->s_op = &coda_super_operations;

	sb->s_bdi = &vc->bdi;



	/* get root fid from Venus: this needs the root inode */

	error = venus_rootfid(sb, &fid);
@@ -200,6 +205,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) 
        return 0;



 error:

	bdi_destroy(&vc->bdi);

 bdi_err:

	if (root)

		iput(root);

	if (vc)
@@ -210,6 +217,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) 


static void coda_put_super(struct super_block *sb)

{

	bdi_destroy(&coda_vcp(sb)->bdi);

	coda_vcp(sb)->vc_sb = NULL;

	sb->s_fs_info = NULL;

include/linux/coda_psdev.h

+2 −0
Original line number Diff line number Diff line 
#ifndef __CODA_PSDEV_H

#define __CODA_PSDEV_H



#include <linux/backing-dev.h>

#include <linux/magic.h>



#define CODA_PSDEV_MAJOR 67
@@ -17,6 +18,7 @@ struct venus_comm { 
	struct list_head    vc_processing;

	int                 vc_inuse;

	struct super_block *vc_sb;

	struct backing_dev_info bdi;

};