Commit 3d871226 authored by Brian Foster's avatar Brian Foster Committed by Dave Chinner
Browse files

xfs: add a sysfs kset 



Create a sysfs kset to contain all sub-objects associated with the XFS
module. The kset is created and removed on module initialization and
removal respectively. The kset uses fs_obj as a parent. This leads to
the creation of a /sys/fs/xfs directory when the kset exists.

Signed-off-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent a70a4fa5

fs/xfs/xfs_super.c

+11 −1
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ 
static const struct super_operations xfs_super_operations;

static kmem_zone_t *xfs_ioend_zone;

mempool_t *xfs_ioend_pool;

struct kset *xfs_kset;



#define MNTOPT_LOGBUFS	"logbufs"	/* number of XFS log buffers */

#define MNTOPT_LOGBSIZE	"logbsize"	/* size of XFS log buffers */
@@ -1761,9 +1762,15 @@ init_xfs_fs(void) 
	if (error)

		goto out_cleanup_procfs;



	xfs_kset = kset_create_and_add("xfs", NULL, fs_kobj);

	if (!xfs_kset) {

		error = -ENOMEM;

		goto out_sysctl_unregister;;

	}



	error = xfs_qm_init();

	if (error)

		goto out_sysctl_unregister;

		goto out_kset_unregister;



	error = register_filesystem(&xfs_fs_type);

	if (error)
@@ -1772,6 +1779,8 @@ init_xfs_fs(void) 


 out_qm_exit:

	xfs_qm_exit();

 out_kset_unregister:

	kset_unregister(xfs_kset);

 out_sysctl_unregister:

	xfs_sysctl_unregister();

 out_cleanup_procfs:
@@ -1793,6 +1802,7 @@ exit_xfs_fs(void) 
{

	xfs_qm_exit();

	unregister_filesystem(&xfs_fs_type);

	kset_unregister(xfs_kset);

	xfs_sysctl_unregister();

	xfs_cleanup_procfs();

	xfs_buf_terminate();

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