Commit 31e54b01 authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

GFS2: Add sysfs link to device 



This adds a link from the per-gfs2 sb sysfs directory to
the block device upon which the filesystem is mounted. The
link is called "device", strangely enough :-)

Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 05164e5b

fs/gfs2/sys.c

+10 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/kobject.h>

#include <asm/uaccess.h>

#include <linux/gfs2_ondisk.h>

#include <linux/genhd.h>



#include "gfs2.h"

#include "incore.h"
@@ -542,9 +543,17 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) 
	if (error)

		goto fail_tune;



	error = sysfs_create_link(&sdp->sd_kobj,

				  &disk_to_dev(sb->s_bdev->bd_disk)->kobj,

				  "device");

	if (error)

		goto fail_lock_module;



	kobject_uevent_env(&sdp->sd_kobj, KOBJ_ADD, envp);

	return 0;



fail_lock_module:

	sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);

fail_tune:

	sysfs_remove_group(&sdp->sd_kobj, &tune_group);

fail_reg:
@@ -556,6 +565,7 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) 


void gfs2_sys_fs_del(struct gfs2_sbd *sdp)

{

	sysfs_remove_link(&sdp->sd_kobj, "device");

	sysfs_remove_group(&sdp->sd_kobj, &tune_group);

	sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);

	kobject_put(&sdp->sd_kobj);