Commit e8866cf2 authored by Ed L. Cashin's avatar Ed L. Cashin Committed by Linus Torvalds
Browse files

aoe: add AoE-target files to debugfs 



Signed-off-by: default avatarEd Cashin <ecashin@coraid.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 190519cd

drivers/block/aoe/aoe.h

+2 −0
Original line number Diff line number Diff line
@@ -169,6 +169,7 @@ struct aoedev { 
	ulong ref;

	struct work_struct work;/* disk create work struct */

	struct gendisk *gd;

	struct dentry *debugfs;

	struct request_queue *blkq;

	struct hd_geometry geo;

	sector_t ssize;
@@ -206,6 +207,7 @@ struct ktstate { 
int aoeblk_init(void);

void aoeblk_exit(void);

void aoeblk_gdalloc(void *);

void aoedisk_rm_debugfs(struct aoedev *d);

void aoedisk_rm_sysfs(struct aoedev *d);



int aoechr_init(void);

drivers/block/aoe/aoeblk.c

+35 −0
Original line number Diff line number Diff line
@@ -132,6 +132,40 @@ static const struct attribute_group attr_group = { 
	.attrs = aoe_attrs,

};



static const struct file_operations aoe_debugfs_fops;



static void

aoedisk_add_debugfs(struct aoedev *d)

{

	struct dentry *entry;

	char *p;



	if (aoe_debugfs_dir == NULL)

		return;

	p = strchr(d->gd->disk_name, '/');

	if (p == NULL)

		p = d->gd->disk_name;

	else

		p++;

	BUG_ON(*p == '\0');

	entry = debugfs_create_file(p, 0444, aoe_debugfs_dir, d,

				    &aoe_debugfs_fops);

	if (IS_ERR_OR_NULL(entry)) {

		pr_info("aoe: cannot create debugfs file for %s\n",

			d->gd->disk_name);

		return;

	}

	BUG_ON(d->debugfs);

	d->debugfs = entry;

}

void

aoedisk_rm_debugfs(struct aoedev *d)

{

	BUG_ON(d->debugfs == NULL);

	debugfs_remove(d->debugfs);

	d->debugfs = NULL;

}



static int

aoedisk_add_sysfs(struct aoedev *d)

{
@@ -332,6 +366,7 @@ aoeblk_gdalloc(void *vp) 


	add_disk(gd);

	aoedisk_add_sysfs(d);

	aoedisk_add_debugfs(d);



	spin_lock_irqsave(&d->lock, flags);

	WARN_ON(!(d->flags & DEVFL_GD_NOW));

drivers/block/aoe/aoedev.c

+1 −0
Original line number Diff line number Diff line
@@ -278,6 +278,7 @@ freedev(struct aoedev *d) 


	del_timer_sync(&d->timer);

	if (d->gd) {

		aoedisk_rm_debugfs(d);

		aoedisk_rm_sysfs(d);

		del_gendisk(d->gd);

		put_disk(d->gd);