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From 03dbf5d8e44e2e3bca6a55bec189d1682442b0cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Wed, 18 Dec 2013 08:41:22 +0200
Subject: [PATCH] add sys/quota.h and quotactl syscall wrapper
---
include/sys/quota.h | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++
src/linux/quotactl.c | 7 ++++
2 files changed, 111 insertions(+)
create mode 100644 include/sys/quota.h
create mode 100644 src/linux/quotactl.c
diff --git a/include/sys/quota.h b/include/sys/quota.h
new file mode 100644
index 0000000..7bcad02
--- /dev/null
+++ b/include/sys/quota.h
@@ -0,0 +1,104 @@
+#ifndef _SYS_SYSCTL_H
+#define _SYS_SYSCTL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#define _LINUX_QUOTA_VERSION 2
+
+#define dbtob(num) ((num) << 10)
+#define btodb(num) ((num) >> 10)
+#define fs_to_dq_blocks(num, blksize) (((num) * (blksize)) / BLOCK_SIZE)
+
+#define MAX_IQ_TIME 604800
+#define MAX_DQ_TIME 604800
+
+#define MAXQUOTAS 2
+#define USRQUOTA 0
+#define GRPQUOTA 1
+
+#define INITQFNAMES { "user", "group", "undefined" };
+
+#define QUOTAFILENAME "quota"
+#define QUOTAGROUP "staff"
+
+#define NR_DQHASH 43
+#define NR_DQUOTS 256
+
+#define SUBCMDMASK 0x00ff
+#define SUBCMDSHIFT 8
+#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
+
+#define Q_SYNC 0x800001
+#define Q_QUOTAON 0x800002
+#define Q_QUOTAOFF 0x800003
+#define Q_GETFMT 0x800004
+#define Q_GETINFO 0x800005
+#define Q_SETINFO 0x800006
+#define Q_GETQUOTA 0x800007
+#define Q_SETQUOTA 0x800008
+
+#define QFMT_VFS_OLD 1
+#define QFMT_VFS_V0 2
+#define QFMT_OCFS2 3
+#define QFMT_VFS_V1 4
+
+#define QIF_BLIMITS 1
+#define QIF_SPACE 2
+#define QIF_ILIMITS 4
+#define QIF_INODES 8
+#define QIF_BTIME 16
+#define QIF_ITIME 32
+#define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS)
+#define QIF_USAGE (QIF_SPACE | QIF_INODES)
+#define QIF_TIMES (QIF_BTIME | QIF_ITIME)
+#define QIF_ALL (QIF_LIMITS | QIF_USAGE | QIF_TIMES)
+
+struct dqblk
+{
+ uint64_t dqb_bhardlimit;
+ uint64_t dqb_bsoftlimit;
+ uint64_t dqb_curspace;
+ uint64_t dqb_ihardlimit;
+ uint64_t dqb_isoftlimit;
+ uint64_t dqb_curinodes;
+ uint64_t dqb_btime;
+ uint64_t dqb_itime;
+ uint32_t dqb_valid;
+};
+
+#define dq_bhardlimit dq_dqb.dqb_bhardlimit
+#define dq_bsoftlimit dq_dqb.dqb_bsoftlimit
+#define dq_curspace dq_dqb.dqb_curspace
+#define dq_valid dq_dqb.dqb_valid
+#define dq_ihardlimit dq_dqb.dqb_ihardlimit
+#define dq_isoftlimit dq_dqb.dqb_isoftlimit
+#define dq_curinodes dq_dqb.dqb_curinodes
+#define dq_btime dq_dqb.dqb_btime
+#define dq_itime dq_dqb.dqb_itime
+
+#define dqoff(UID) ((loff_t)((UID) * sizeof (struct dqblk)))
+
+#define IIF_BGRACE 1
+#define IIF_IGRACE 2
+#define IIF_FLAGS 4
+#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
+
+struct dqinfo
+{
+ uint64_t dqi_bgrace;
+ uint64_t dqi_igrace;
+ uint32_t dqi_flags;
+ uint32_t dqi_valid;
+};
+
+int quotactl(int, const char *, int, char *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/linux/quotactl.c b/src/linux/quotactl.c
new file mode 100644
index 0000000..344eb0d
--- /dev/null
+++ b/src/linux/quotactl.c
@@ -0,0 +1,7 @@
+#include <sys/quota.h>
+#include "syscall.h"
+
+int quotactl(int cmd, const char *special, int id, char *addr)
+{
+ return syscall(SYS_quotactl, cmd, special, id, addr);
+}
--
1.8.5.1
|
