[Samba] Re: Problems compiling Samba 2.2.4 with quota under Debian stable
Christoph Hellwig
hch at infradead.org
Wed May 29 13:31:02 GMT 2002
> Here's a better patch - it also handles another linux quota interface
> that samba didn't yet handle at all..
Yikes, that was still borked.
diff -uNr samba-2.2.4/source/configure.in samba-2.2.4-hch/source/configure.in
--- samba-2.2.4/source/configure.in Fri May 3 03:02:46 2002
+++ samba-2.2.4-hch/source/configure.in Wed May 29 22:03:53 2002
@@ -2221,26 +2221,6 @@
yes)
AC_MSG_RESULT(yes)
QUOTAOBJS=smbd/quotas.o
- case "$host_os" in
- *linux*)
- # Check for kernel 2.4.x quota braindamage...
- AC_CACHE_CHECK([for linux 2.4.x quota braindamage..],samba_cv_linux_2_4_quota_braindamage, [
- AC_TRY_COMPILE([#include <stdio.h>
-#include <sys/types.h>
-#include <asm/types.h>
-#include <linux/quota.h>
-#include <mntent.h>
-#include <linux/unistd.h>],[struct mem_dqblk D;],
- samba_cv_linux_2_4_quota_braindamage=yes,samba_cv_linux_2_4_quota_braindamage=no)])
-if test x"$samba_cv_linux_2_4_quota_braindamage" = x"yes"; then
- AC_DEFINE(LINUX_QUOTAS_2)
-else
- AC_DEFINE(LINUX_QUOTAS_1)
-fi
- ;;
- *)
- ;;
- esac
;;
*)
AC_MSG_RESULT(no)
diff -uNr samba-2.2.4/source/include/quota_linux.h samba-2.2.4-hch/source/include/quota_linux.h
--- samba-2.2.4/source/include/quota_linux.h Thu Jan 1 01:00:00 1970
+++ samba-2.2.4-hch/source/include/quota_linux.h Wed May 29 21:59:26 2002
@@ -0,0 +1,128 @@
+#ifndef _QUOTA_H
+#define _QUOTA_H
+
+#include <sys/types.h>
+
+typedef u_int32_t qid_t; /* Type in which we store ids in memory */
+typedef u_int64_t qsize_t; /* Type in which we store size limitations */
+
+#define MAXQUOTAS 2
+#define USRQUOTA 0 /* element used for user quotas */
+#define GRPQUOTA 1 /* element used for group quotas */
+
+/*
+ * Definitions for the default names of the quotas files.
+ */
+#define INITQFNAMES { \
+ "user", /* USRQUOTA */ \
+ "group", /* GRPQUOTA */ \
+ "undefined", \
+}
+
+/*
+ * Definitions of magics and versions of current quota files
+ */
+#define INITQMAGICS {\
+ 0xd9c01f11, /* USRQUOTA */\
+ 0xd9c01927 /* GRPQUOTA */\
+}
+
+/* Size of blocks in which are counted size limits in generic utility parts */
+#define QUOTABLOCK_BITS 10
+#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
+
+/* Conversion routines from and to quota blocks */
+#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10))
+#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10))
+#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
+
+/*
+ * Command definitions for the 'quotactl' system call.
+ * The commands are broken into a main command defined below
+ * and a subcommand that is used to convey the type of
+ * quota that is being manipulated (see above).
+ */
+#define SUBCMDMASK 0x00ff
+#define SUBCMDSHIFT 8
+#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
+
+#define Q_6_5_QUOTAON 0x0100 /* enable quotas */
+#define Q_6_5_QUOTAOFF 0x0200 /* disable quotas */
+#define Q_6_5_SYNC 0x0600 /* sync disk copy of a filesystems quotas */
+
+#define Q_SYNC 0x800001 /* sync disk copy of a filesystems quotas */
+#define Q_QUOTAON 0x800002 /* turn quotas on */
+#define Q_QUOTAOFF 0x800003 /* turn quotas off */
+#define Q_GETFMT 0x800004 /* get quota format used on given filesystem */
+#define Q_GETINFO 0x800005 /* get information about quota files */
+#define Q_SETINFO 0x800006 /* set information about quota files */
+#define Q_GETQUOTA 0x800007 /* get user quota structure */
+#define Q_SETQUOTA 0x800008 /* set user quota structure */
+
+/*
+ * Quota structure used for communication with userspace via quotactl
+ * Following flags are used to specify which fields are valid
+ */
+#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 if_dqblk {
+ u_int64_t dqb_bhardlimit;
+ u_int64_t dqb_bsoftlimit;
+ u_int64_t dqb_curspace;
+ u_int64_t dqb_ihardlimit;
+ u_int64_t dqb_isoftlimit;
+ u_int64_t dqb_curinodes;
+ u_int64_t dqb_btime;
+ u_int64_t dqb_itime;
+ u_int32_t dqb_valid;
+};
+
+/*
+ * Structure used for setting quota information about file via quotactl
+ * Following flags are used to specify which fields are valid
+ */
+#define IIF_BGRACE 1
+#define IIF_IGRACE 2
+#define IIF_FLAGS 4
+#define IIF_ALL (IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
+
+struct if_dqinfo {
+ u_int64_t dqi_bgrace;
+ u_int64_t dqi_igrace;
+ u_int32_t dqi_flags;
+ u_int32_t dqi_valid;
+};
+
+/* Quota format identifiers */
+#define QFMT_VFS_OLD 1
+#define QFMT_VFS_V0 2
+
+/* Flags supported by kernel */
+#define V1_DQF_RSQUASH 1
+
+/* Ioctl for getting quota size */
+#include <sys/ioctl.h>
+#ifndef FIOQSIZE
+ #if defined(__alpha__) || defined(__powerpc__) || defined(__sh__) || defined(__sparc__) || defined(__sparc64__)
+ #define FIOQSIZE _IOR('f', 128, loff_t)
+ #elif defined(__arm__) || defined(__mc68000__) || defined(__s390__)
+ #define FIOQSIZE 0x545E
+ #elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__ia64__) || defined(__parisc__) || defined(__cris__) || defined(__hppa__)
+ #define FIOQSIZE 0x5460
+ #elif defined(__mips__) || defined(__mips64__)
+ #define FIOQSIZE 0x6667
+ #endif
+#endif
+
+long quotactl __P((int, const char *, qid_t, caddr_t));
+
+#endif /* _QUOTA_ */
diff -uNr samba-2.2.4/source/include/quotaio_linux_v1.h samba-2.2.4-hch/source/include/quotaio_linux_v1.h
--- samba-2.2.4/source/include/quotaio_linux_v1.h Thu Jan 1 01:00:00 1970
+++ samba-2.2.4-hch/source/include/quotaio_linux_v1.h Wed May 29 23:10:51 2002
@@ -0,0 +1,49 @@
+/*
+ * Headerfile for old quotafile format
+ */
+
+#ifndef _QUOTAIO_V1_H
+#define _QUOTAIO_V1_H
+
+#include <sys/types.h>
+
+#define V1_DQBLK_SIZE_BITS 10
+#define V1_DQBLK_SIZE (1 << V1_DQBLK_SIZE_BITS) /* Size of one quota block in bytes in old format */
+
+#define V1_DQOFF(__id) ((loff_t) ((__id) * sizeof(struct v1_disk_dqblk)))
+
+/* Structure of quota on disk */
+struct v1_disk_dqblk {
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
+ u_int32_t dqb_curblocks; /* current block count */
+ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred limit on inodes */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive files */
+} __attribute__ ((packed));
+
+/* Structure used for communication with kernel */
+struct v1_kern_dqblk {
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */
+ u_int32_t dqb_curblocks; /* current block count */
+ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred inode limit */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive files */
+};
+
+struct v1_dqstats {
+ u_int32_t lookups;
+ u_int32_t drops;
+ u_int32_t reads;
+ u_int32_t writes;
+ u_int32_t cache_hits;
+ u_int32_t allocated_dquots;
+ u_int32_t free_dquots;
+ u_int32_t syncs;
+};
+#endif
diff -uNr samba-2.2.4/source/include/quotaio_linux_v2.h samba-2.2.4-hch/source/include/quotaio_linux_v2.h
--- samba-2.2.4/source/include/quotaio_linux_v2.h Thu Jan 1 01:00:00 1970
+++ samba-2.2.4-hch/source/include/quotaio_linux_v2.h Wed May 29 23:10:46 2002
@@ -0,0 +1,101 @@
+/*
+ *
+ * Header file for disk format of new quotafile format
+ *
+ */
+
+#ifndef _QUOTAIO_V2_H
+#define _QUOTAIO_V2_H
+
+#include <sys/types.h>
+#include "quota_linux.h"
+
+#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */
+#define V2_DQBLKSIZE_BITS 10
+#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */
+#define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */
+#define V2_DQTREEDEPTH 4 /* Depth of quota tree */
+#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */
+#define V2_GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
+#define V2_GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)(buf)) + sizeof(struct v2_disk_dqdbheader)))
+#define INIT_V2_VERSIONS { 0, 0}
+
+struct v2_disk_dqheader {
+ u_int32_t dqh_magic; /* Magic number identifying file */
+ u_int32_t dqh_version; /* File version */
+} __attribute__ ((packed));
+
+/* Flags for version specific files */
+#define V2_DQF_MASK 0x0000 /* Mask for all valid ondisk flags */
+
+/* Header with type and version specific information */
+struct v2_disk_dqinfo {
+ u_int32_t dqi_bgrace; /* Time before block soft limit becomes hard limit */
+ u_int32_t dqi_igrace; /* Time before inode soft limit becomes hard limit */
+ u_int32_t dqi_flags; /* Flags for quotafile (DQF_*) */
+ u_int32_t dqi_blocks; /* Number of blocks in file */
+ u_int32_t dqi_free_blk; /* Number of first free block in the list */
+ u_int32_t dqi_free_entry; /* Number of block with at least one free entry */
+} __attribute__ ((packed));
+
+/*
+ * Structure of header of block with quota structures. It is padded to 16 bytes so
+ * there will be space for exactly 18 quota-entries in a block
+ */
+struct v2_disk_dqdbheader {
+ u_int32_t dqdh_next_free; /* Number of next block with free entry */
+ u_int32_t dqdh_prev_free; /* Number of previous block with free entry */
+ u_int16_t dqdh_entries; /* Number of valid entries in block */
+ u_int16_t dqdh_pad1;
+ u_int32_t dqdh_pad2;
+} __attribute__ ((packed));
+
+/* Structure of quota for one user on disk */
+struct v2_disk_dqblk {
+ u_int32_t dqb_id; /* id this quota applies to */
+ u_int32_t dqb_ihardlimit; /* absolute limit on allocated inodes */
+ u_int32_t dqb_isoftlimit; /* preferred inode limit */
+ u_int32_t dqb_curinodes; /* current # allocated inodes */
+ u_int32_t dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
+ u_int32_t dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
+ u_int64_t dqb_curspace; /* current space occupied (in bytes) */
+ u_int64_t dqb_btime; /* time limit for excessive disk use */
+ u_int64_t dqb_itime; /* time limit for excessive inode use */
+} __attribute__ ((packed));
+
+/* Structure of quota for communication with kernel */
+struct v2_kern_dqblk {
+ unsigned int dqb_ihardlimit;
+ unsigned int dqb_isoftlimit;
+ unsigned int dqb_curinodes;
+ unsigned int dqb_bhardlimit;
+ unsigned int dqb_bsoftlimit;
+ qsize_t dqb_curspace;
+ time_t dqb_btime;
+ time_t dqb_itime;
+};
+
+/* Structure of quotafile info for communication with kernel */
+struct v2_kern_dqinfo {
+ unsigned int dqi_bgrace;
+ unsigned int dqi_igrace;
+ unsigned int dqi_flags;
+ unsigned int dqi_blocks;
+ unsigned int dqi_free_blk;
+ unsigned int dqi_free_entry;
+};
+
+/* Structure with gathered statistics from kernel */
+struct v2_dqstats {
+ u_int32_t lookups;
+ u_int32_t drops;
+ u_int32_t reads;
+ u_int32_t writes;
+ u_int32_t cache_hits;
+ u_int32_t allocated_dquots;
+ u_int32_t free_dquots;
+ u_int32_t syncs;
+ u_int32_t version;
+};
+
+#endif
diff -uNr samba-2.2.4/source/include/quotaio_linux_xfs.h samba-2.2.4-hch/source/include/quotaio_linux_xfs.h
--- samba-2.2.4/source/include/quotaio_linux_xfs.h Thu Jan 1 01:00:00 1970
+++ samba-2.2.4-hch/source/include/quotaio_linux_xfs.h Wed May 29 21:59:32 2002
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like. Any license provided herein, whether implied or
+ * otherwise, applies only to this software file. Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA 94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+#ifndef _QUOTAIO_XFS_H
+#define _QUOTAIO_XFS_H
+
+#include <linux/types.h>
+
+#define XQM_CMD(cmd) ( ('X'<<8)+(cmd) )
+#define IS_XQM_CMD(cmd) ( ((int)(cmd)>>8) == 'X' )
+
+/*
+ * Disk quota - quotactl(2) commands for XFS Quota Manager (XQM).
+ */
+#define Q_XQUOTAON XQM_CMD(0x1) /* enable quota accounting/enforcement */
+#define Q_XQUOTAOFF XQM_CMD(0x2) /* disable quota accounting/enforcement */
+#define Q_XGETQUOTA XQM_CMD(0x3) /* get disk limits & usage */
+#define Q_XSETQLIM XQM_CMD(0x4) /* set disk limits only */
+#define Q_XGETQSTAT XQM_CMD(0x5) /* returns fs_quota_stat_t struct */
+#define Q_XQUOTARM XQM_CMD(0x6) /* free quota files' space */
+
+/*
+ * fs_disk_quota structure:
+ *
+ * This contains the current quota information regarding a user/proj/group.
+ * It is 64-bit aligned, and all the blk units are in BBs (Basic Blocks) of
+ * 512 bytes.
+ */
+#define FS_DQUOT_VERSION 1 /* fs_disk_quota.d_version */
+typedef struct fs_disk_quota {
+ __s8 d_version; /* version of this structure */
+ __s8 d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
+ __u16 d_fieldmask; /* field specifier */
+ __u32 d_id; /* user, project, or group ID */
+ __u64 d_blk_hardlimit; /* absolute limit on disk blks */
+ __u64 d_blk_softlimit; /* preferred limit on disk blks */
+ __u64 d_ino_hardlimit; /* maximum # allocated inodes */
+ __u64 d_ino_softlimit; /* preferred inode limit */
+ __u64 d_bcount; /* # disk blocks owned by the user */
+ __u64 d_icount; /* # inodes owned by the user */
+ __s32 d_itimer; /* zero if within inode limits */
+ /* if not, we refuse service */
+ __s32 d_btimer; /* similar to above; for disk blocks */
+ __u16 d_iwarns; /* # warnings issued wrt num inodes */
+ __u16 d_bwarns; /* # warnings issued wrt disk blocks */
+ __s32 d_padding2; /* padding2 - for future use */
+ __u64 d_rtb_hardlimit; /* absolute limit on realtime blks */
+ __u64 d_rtb_softlimit; /* preferred limit on RT disk blks */
+ __u64 d_rtbcount; /* # realtime blocks owned */
+ __s32 d_rtbtimer; /* similar to above; for RT disk blks */
+ __u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */
+ __s16 d_padding3; /* padding3 - for future use */
+ char d_padding4[8]; /* yet more padding */
+} fs_disk_quota_t;
+
+/*
+ * These fields are sent to Q_XSETQLIM to specify fields that need to change.
+ */
+#define FS_DQ_ISOFT (1<<0)
+#define FS_DQ_IHARD (1<<1)
+#define FS_DQ_BSOFT (1<<2)
+#define FS_DQ_BHARD (1<<3)
+#define FS_DQ_RTBSOFT (1<<4)
+#define FS_DQ_RTBHARD (1<<5)
+#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | \
+ FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
+/*
+ * These timers can only be set in super user's dquot. For others, timers are
+ * automatically started and stopped. Superusers timer values set the limits
+ * for the rest. In case these values are zero, the DQ_{F,B}TIMELIMIT values
+ * defined below are used.
+ * These values also apply only to the d_fieldmask field for Q_XSETQLIM.
+ */
+#define FS_DQ_BTIMER (1<<6)
+#define FS_DQ_ITIMER (1<<7)
+#define FS_DQ_RTBTIMER (1<<8)
+#define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
+
+/*
+ * The following constants define the default amount of time given a user
+ * before the soft limits are treated as hard limits (usually resulting
+ * in an allocation failure). These may be modified by the quotactl(2)
+ * system call with the Q_XSETQLIM command.
+ */
+#define DQ_FTIMELIMIT (7 * 24*60*60) /* 1 week */
+#define DQ_BTIMELIMIT (7 * 24*60*60) /* 1 week */
+
+/*
+ * Various flags related to quotactl(2). Only relevant to XFS filesystems.
+ */
+#define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */
+#define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */
+#define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */
+#define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */
+
+#define XFS_USER_QUOTA (1<<0) /* user quota type */
+#define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */
+#define XFS_GROUP_QUOTA (1<<2) /* group quota type */
+
+/*
+ * fs_quota_stat is the struct returned in Q_XGETQSTAT for a given file system.
+ * Provides a centralized way to get meta infomation about the quota subsystem.
+ * eg. space taken up for user and group quotas, number of dquots currently
+ * incore.
+ */
+#define FS_QSTAT_VERSION 1 /* fs_quota_stat.qs_version */
+
+/*
+ * Some basic infomation about 'quota files'.
+ */
+typedef struct fs_qfilestat {
+ __u64 qfs_ino; /* inode number */
+ __u64 qfs_nblks; /* number of BBs 512-byte-blks */
+ __u32 qfs_nextents; /* number of extents */
+} fs_qfilestat_t;
+
+typedef struct fs_quota_stat {
+ __s8 qs_version; /* version number for future changes */
+ __u16 qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
+ __s8 qs_pad; /* unused */
+ fs_qfilestat_t qs_uquota; /* user quota storage information */
+ fs_qfilestat_t qs_gquota; /* group quota storage information */
+ __u32 qs_incoredqs; /* number of dquots incore */
+ __s32 qs_btimelimit; /* limit for blks timer */
+ __s32 qs_itimelimit; /* limit for inodes timer */
+ __s32 qs_rtbtimelimit; /* limit for rt blks timer */
+ __u16 qs_bwarnlimit; /* limit for num warnings */
+ __u16 qs_iwarnlimit; /* limit for num warnings */
+} fs_quota_stat_t;
+
+#endif /* _QUOTAIO_XFS_H */
diff -uNr samba-2.2.4/source/smbd/quotas.c samba-2.2.4-hch/source/smbd/quotas.c
--- samba-2.2.4/source/smbd/quotas.c Sun Feb 3 01:46:56 2002
+++ samba-2.2.4-hch/source/smbd/quotas.c Wed May 29 23:18:08 2002
@@ -42,28 +42,25 @@
#ifdef LINUX
#include <sys/types.h>
-#include <asm/types.h>
+#include <mntent.h>
+#include <unistd.h>
+
+#include "quotaio_linux_v1.h"
+#include "quotaio_linux_v2.h"
+#include "quotaio_linux_xfs.h"
-/*
- * This shouldn't be neccessary - it should be /usr/include/sys/quota.h
- * Unfortunately, RH7.1 ships with a different quota system using struct mem_dqblk
- * rather than the struct dqblk defined in /usr/include/sys/quota.h.
- * This means we must include linux/quota.h to have a hope of working on
- * RH7.1 systems. And it also means this breaks if the kernel is upgraded
- * to a Linus 2.4.x (where x > the minor number shipped with RH7.1) until
- * Linus synchronises with the AC patches. Sometimes I *hate* Linux :-). JRA.
- */
-
-#include <linux/quota.h>
-#ifdef HAVE_LINUX_XQM_H
-#include <linux/xqm.h>
+#ifndef Q_V1_GETQUOTA
+#define Q_V1_GETQUOTA 0x300
#endif
-#include <mntent.h>
-#include <linux/unistd.h>
+#ifndef Q_V2_GETQUOTA
+#define Q_V2_GETQUOTA 0x0D00
+#endif
+#ifndef QUOTABLOCK_SIZE
+#define QUOTABLOCK_SIZE 1024
+#endif
-#define LINUX_QUOTAS_2
typedef struct _LINUX_SMB_DISK_QUOTA {
SMB_BIG_UINT bsize;
@@ -82,7 +79,6 @@
static int get_smb_linux_xfs_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
{
int ret = -1;
-#ifdef HAVE_LINUX_XQM_H
struct fs_disk_quota D;
ZERO_STRUCT(D);
@@ -96,7 +92,7 @@
dp->isoftlimit = (SMB_BIG_UINT)D.d_ino_softlimit;
dp->curinodes = (SMB_BIG_UINT)D.d_icount;
dp->curblocks = (SMB_BIG_UINT)D.d_bcount;
-#endif
+
return ret;
}
@@ -104,23 +100,36 @@
Abstract out the old and new Linux quota get calls.
****************************************************************************/
-static int get_smb_linux_vfs_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
+static int get_smb_linux_v1_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
{
+ struct v1_kern_dqblk D;
int ret;
-#ifdef LINUX_QUOTAS_1
- struct dqblk D;
+
ZERO_STRUCT(D);
dp->bsize = (SMB_BIG_UINT)1024;
-#else /* LINUX_QUOTAS_2 */
- struct mem_dqblk D;
+
+ if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
+ return -1;
+
+ dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
+ dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
+ dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
+ dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
+ dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
+ dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
+
+ return 0;
+}
+
+static int get_smb_linux_v2_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
+{
+ struct v2_kern_dqblk D;
+ int ret;
+
ZERO_STRUCT(D);
-#ifndef QUOTABLOCK_SIZE
-#define QUOTABLOCK_SIZE 1024
-#endif
dp->bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
-#endif
- if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
+ if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
return -1;
dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
@@ -128,12 +137,32 @@
dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
+ dp->curblocks = ((SMB_BIG_UINT)D.dqb_curspace) / dp->bsize;
-#ifdef LINUX_QUOTAS_1
- dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
-#else /* LINUX_QUOTAS_2 */
- dp->curblocks = ((SMB_BIG_UINT)D.dqb_curspace)/ dp->bsize;
-#endif
+ return 0;
+}
+
+/****************************************************************************
+brand-new generic quota interface
+****************************************************************************/
+
+static int get_smb_linux_gen_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
+{
+ struct if_dqblk D;
+ int ret;
+
+ ZERO_STRUCT(D);
+ dp->bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
+ return -1;
+
+ dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
+ dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
+ dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
+ dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
+ dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
+ dp->curblocks = ((SMB_BIG_UINT)D.dqb_curspace) / dp->bsize;
return 0;
}
@@ -182,10 +211,16 @@
save_re_uid();
set_effective_uid(0);
- if (strcmp(mnt->mnt_type, "xfs") == 0)
+ if (strcmp(mnt->mnt_type, "xfs")) {
+ r=get_smb_linux_gen_quota(mnt->mnt_fsname, euser_id, &D);
+ if (r == -1) {
+ r=get_smb_linux_v2_quota(mnt->mnt_fsname, euser_id, &D);
+ if (r == -1)
+ r=get_smb_linux_v1_quota(mnt->mnt_fsname,
+ euser_id, &D);
+ }
+ } else
r=get_smb_linux_xfs_quota(mnt->mnt_fsname, euser_id, &D);
- else
- r=get_smb_linux_vfs_quota(mnt->mnt_fsname, euser_id, &D);
restore_re_uid();
/* Use softlimit to determine disk space, except when it has been exceeded */
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