This commit was manufactured by cvs2svn to create branch

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

diff --git a/src/dlimit.h b/src/dlimit.h
new file mode 100644 (file)
index 0000000..5cbb1a1
--- /dev/null
+++ b/src/dlimit.h
@@ -0,0 +1,76 @@
+#ifndef _VX_DLIMIT_H
+#define _VX_DLIMIT_H
+
+#include "virtual.h"
+// #include "switch.h"
+
+/*  inode vserver commands */
+
+#define VCMD_add_dlimit                VC_CMD(DLIMIT, 1, 0)
+#define VCMD_rem_dlimit                VC_CMD(DLIMIT, 2, 0)
+
+#define VCMD_set_dlimit                VC_CMD(DLIMIT, 5, 0)
+#define VCMD_get_dlimit                VC_CMD(DLIMIT, 6, 0)
+
+
+struct  vcmd_ctx_dlimit_base_v0 {
+       char *name;
+       uint32_t flags;
+};
+
+struct  vcmd_ctx_dlimit_v0 {
+       char *name;
+       uint32_t space_used;                    /* used space in kbytes */
+       uint32_t space_total;                   /* maximum space in kbytes */
+       uint32_t inodes_used;                   /* used inodes */
+       uint32_t inodes_total;                  /* maximum inodes */
+       uint32_t reserved;                      /* reserved for root in % */
+       uint32_t flags;
+};
+
+#define CDLIM_UNSET             (0ULL)
+#define CDLIM_INFINITY          (~0ULL)
+#define CDLIM_KEEP              (~1ULL)
+
+
+#ifdef __KERNEL__
+
+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 */
+
+       struct rw_semaphore dl_sem;             /* 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 */
+};
+
+extern void rcu_free_dl_info(void *);
+extern void unhash_dl_info(struct dl_info *);
+
+struct kstatfs;
+
+extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
+
+
+extern int vc_add_dlimit(uint32_t, void __user *);
+extern int vc_rem_dlimit(uint32_t, void __user *);
+
+extern int vc_set_dlimit(uint32_t, void __user *);
+extern int vc_get_dlimit(uint32_t, void __user *);
+
+
+#endif /* __KERNEL__ */
+
+#endif /* _VX_DLIMIT_H */