Commit ad88aae0 authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman
Browse files

staging/lustre/llite: get rid of unused ll_super_blocks list 



ll_super_blocks became unused quite a while ago with switch
to the new CLIO code.
So this patch removes the list, ll_sb_lock spinlock that guards it
and superblock info ll_list linkage.

Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d38c59e9

drivers/staging/lustre/lustre/llite/llite_internal.h

+0 −1
Original line number Diff line number Diff line
@@ -456,7 +456,6 @@ struct eacl_table { 
};



struct ll_sb_info {

	struct list_head		  ll_list;

	/* this protects pglist and ra_info.  It isn't safe to

	 * grab from interrupt contexts */

	spinlock_t		  ll_lock;

drivers/staging/lustre/lustre/llite/llite_lib.c

+1 −13
Original line number Diff line number Diff line
@@ -60,9 +60,6 @@ struct kmem_cache *ll_file_data_slab; 
struct dentry *llite_root;

struct kset *llite_kset;



static LIST_HEAD(ll_super_blocks);

static DEFINE_SPINLOCK(ll_sb_lock);



#ifndef log2

#define log2(n) ffz(~(n))

#endif
@@ -112,10 +109,6 @@ static struct ll_sb_info *ll_init_sbi(struct super_block *sb) 
	class_uuid_unparse(uuid, &sbi->ll_sb_uuid);

	CDEBUG(D_CONFIG, "generated uuid: %s\n", sbi->ll_sb_uuid.uuid);



	spin_lock(&ll_sb_lock);

	list_add_tail(&sbi->ll_list, &ll_super_blocks);

	spin_unlock(&ll_sb_lock);



	sbi->ll_flags |= LL_SBI_VERBOSE;

	sbi->ll_flags |= LL_SBI_CHECKSUM;
@@ -144,13 +137,8 @@ static void ll_free_sbi(struct super_block *sb) 
{

	struct ll_sb_info *sbi = ll_s2sbi(sb);



	if (sbi != NULL) {

		spin_lock(&ll_sb_lock);

		list_del(&sbi->ll_list);

		spin_unlock(&ll_sb_lock);

	kfree(sbi);

}

}



static int client_common_fill_super(struct super_block *sb, char *md, char *dt,

				    struct vfsmount *mnt)