1179 	struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(root->d_sb);  in hugetlbfs_show_options()  local
1180 	struct hugepage_subpool *spool = sbinfo->spool;  in hugetlbfs_show_options()
1181 	unsigned long hpage_size = huge_page_size(sbinfo->hstate);  in hugetlbfs_show_options()
1182 	unsigned hpage_shift = huge_page_shift(sbinfo->hstate);  in hugetlbfs_show_options()
1185 	if (!uid_eq(sbinfo->uid, GLOBAL_ROOT_UID))  in hugetlbfs_show_options()
1187 			   from_kuid_munged(&init_user_ns, sbinfo->uid));  in hugetlbfs_show_options()
1188 	if (!gid_eq(sbinfo->gid, GLOBAL_ROOT_GID))  in hugetlbfs_show_options()
1190 			   from_kgid_munged(&init_user_ns, sbinfo->gid));  in hugetlbfs_show_options()
1191 	if (sbinfo->mode != 0755)  in hugetlbfs_show_options()
1192 		seq_printf(m, ",mode=%o", sbinfo->mode);  in hugetlbfs_show_options()
1193 	if (sbinfo->max_inodes != -1)  in hugetlbfs_show_options()
1194 		seq_printf(m, ",nr_inodes=%lu", sbinfo->max_inodes);  in hugetlbfs_show_options()
1216 	struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(dentry->d_sb);  in hugetlbfs_statfs()  local
1221 	if (sbinfo) {  in hugetlbfs_statfs()
1222 		spin_lock(&sbinfo->stat_lock);  in hugetlbfs_statfs()
1225 		if (sbinfo->spool) {  in hugetlbfs_statfs()
1228 			spin_lock_irq(&sbinfo->spool->lock);  in hugetlbfs_statfs()
1229 			buf->f_blocks = sbinfo->spool->max_hpages;  in hugetlbfs_statfs()
1230 			free_pages = sbinfo->spool->max_hpages  in hugetlbfs_statfs()
1231 				- sbinfo->spool->used_hpages;  in hugetlbfs_statfs()
1233 			spin_unlock_irq(&sbinfo->spool->lock);  in hugetlbfs_statfs()
1234 			buf->f_files = sbinfo->max_inodes;  in hugetlbfs_statfs()
1235 			buf->f_ffree = sbinfo->free_inodes;  in hugetlbfs_statfs()
1237 		spin_unlock(&sbinfo->stat_lock);  in hugetlbfs_statfs()
1257 static inline int hugetlbfs_dec_free_inodes(struct hugetlbfs_sb_info *sbinfo)  in hugetlbfs_dec_free_inodes()  argument
1259 	if (sbinfo->free_inodes >= 0) {  in hugetlbfs_dec_free_inodes()
1260 		spin_lock(&sbinfo->stat_lock);  in hugetlbfs_dec_free_inodes()
1261 		if (unlikely(!sbinfo->free_inodes)) {  in hugetlbfs_dec_free_inodes()
1262 			spin_unlock(&sbinfo->stat_lock);  in hugetlbfs_dec_free_inodes()
1265 		sbinfo->free_inodes--;  in hugetlbfs_dec_free_inodes()
1266 		spin_unlock(&sbinfo->stat_lock);  in hugetlbfs_dec_free_inodes()
1272 static void hugetlbfs_inc_free_inodes(struct hugetlbfs_sb_info *sbinfo)  in hugetlbfs_inc_free_inodes()  argument
1274 	if (sbinfo->free_inodes >= 0) {  in hugetlbfs_inc_free_inodes()
1275 		spin_lock(&sbinfo->stat_lock);  in hugetlbfs_inc_free_inodes()
1276 		sbinfo->free_inodes++;  in hugetlbfs_inc_free_inodes()
1277 		spin_unlock(&sbinfo->stat_lock);  in hugetlbfs_inc_free_inodes()
1286 	struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(sb);  in hugetlbfs_alloc_inode()  local
1289 	if (unlikely(!hugetlbfs_dec_free_inodes(sbinfo)))  in hugetlbfs_alloc_inode()
1293 		hugetlbfs_inc_free_inodes(sbinfo);  in hugetlbfs_alloc_inode()
1510 	struct hugetlbfs_sb_info *sbinfo;  in hugetlbfs_fill_super()  local
1512 	sbinfo = kmalloc(sizeof(struct hugetlbfs_sb_info), GFP_KERNEL);  in hugetlbfs_fill_super()
1513 	if (!sbinfo)  in hugetlbfs_fill_super()
1515 	sb->s_fs_info = sbinfo;  in hugetlbfs_fill_super()
1516 	spin_lock_init(&sbinfo->stat_lock);  in hugetlbfs_fill_super()
1517 	sbinfo->hstate		= ctx->hstate;  in hugetlbfs_fill_super()
1518 	sbinfo->max_inodes	= ctx->nr_inodes;  in hugetlbfs_fill_super()
1519 	sbinfo->free_inodes	= ctx->nr_inodes;  in hugetlbfs_fill_super()
1520 	sbinfo->spool		= NULL;  in hugetlbfs_fill_super()
1521 	sbinfo->uid		= ctx->uid;  in hugetlbfs_fill_super()
1522 	sbinfo->gid		= ctx->gid;  in hugetlbfs_fill_super()
1523 	sbinfo->mode		= ctx->mode;  in hugetlbfs_fill_super()
1531 		sbinfo->spool = hugepage_new_subpool(ctx->hstate,  in hugetlbfs_fill_super()
1534 		if (!sbinfo->spool)  in hugetlbfs_fill_super()
1554 	kfree(sbinfo->spool);  in hugetlbfs_fill_super()
1555 	kfree(sbinfo);  in hugetlbfs_fill_super()