util-vserver-0.30.208

[util-vserver.git] / kernel / dlimit.h

diff --git a/kernel/dlimit.h b/kernel/dlimit.h
new file mode 100644 (file)
index 0000000..99c2240
--- /dev/null
+++ b/kernel/dlimit.h
@@ -0,0 +1,53 @@
+#ifndef _VX_DLIMIT_H
+#define _VX_DLIMIT_H
+
+#include "switch.h"
+
+#define CDLIM_UNSET            (0ULL)
+#define CDLIM_INFINITY         (~0ULL)
+#define CDLIM_KEEP             (~1ULL)
+
+
+#ifdef __KERNEL__
+
+#include <linux/spinlock.h>
+
+struct super_block;
+
+struct dl_info {
+       struct hlist_node dl_hlist;             /* linked list of contexts */
+       struct rcu_head dl_rcu;                 /* the rcu head */
+       xid_t dl_xid;                           /* context id */
+       atomic_t dl_usecnt;                     /* usage count */
+       atomic_t dl_refcnt;                     /* reference count */
+
+       struct super_block *dl_sb;              /* associated superblock */
+
+       spinlock_t dl_lock;                     /* protect the values */
+
+       uint64_t dl_space_used;                 /* used space in bytes */
+       uint64_t dl_space_total;                /* maximum space in bytes */
+       uint32_t dl_inodes_used;                /* used inodes */
+       uint32_t dl_inodes_total;               /* maximum inodes */
+
+       unsigned int dl_nrlmult;                /* non root limit mult */
+};
+
+struct rcu_head;
+
+extern void rcu_free_dl_info(struct rcu_head *);
+extern void unhash_dl_info(struct dl_info *);
+
+extern struct dl_info *locate_dl_info(struct super_block *, xid_t);
+
+
+struct kstatfs;
+
+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
+typedef uint64_t dlsize_t;
+
+#endif /* __KERNEL__ */
+#else  /* _VX_DLIMIT_H */
+#warning duplicate inclusion
+#endif /* _VX_DLIMIT_H */