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authorJan Kara <jack@suse.cz>2008-09-21 23:17:53 +0200
committerMark Fasheh <mfasheh@suse.com>2009-01-05 08:36:58 -0800
commitcf770c137122b78470a67ebd5498947869a09197 (patch)
treec1f9af3927752e8aef3e0ca45facc39ae6945258 /fs
parentca785ec66b991e9ca74dd9840fc014487ad095e1 (diff)
quota: Move quotaio_v[12].h from include/linux/ to fs/
Since these include files are used only by implementation of quota formats, there's no need to have them in include/linux/. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/quota_v1.c3
-rw-r--r--fs/quota_v2.c7
-rw-r--r--fs/quotaio_v1.h33
-rw-r--r--fs/quotaio_v2.h79
4 files changed, 118 insertions, 4 deletions
diff --git a/fs/quota_v1.c b/fs/quota_v1.c
index 3e078eee564..b4af1c69ad1 100644
--- a/fs/quota_v1.c
+++ b/fs/quota_v1.c
@@ -3,13 +3,14 @@
#include <linux/quota.h>
#include <linux/quotaops.h>
#include <linux/dqblk_v1.h>
-#include <linux/quotaio_v1.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <asm/byteorder.h>
+#include "quotaio_v1.h"
+
MODULE_AUTHOR("Jan Kara");
MODULE_DESCRIPTION("Old quota format support");
MODULE_LICENSE("GPL");
diff --git a/fs/quota_v2.c b/fs/quota_v2.c
index 51c4717f7c6..a21d1a7c356 100644
--- a/fs/quota_v2.c
+++ b/fs/quota_v2.c
@@ -6,7 +6,6 @@
#include <linux/fs.h>
#include <linux/mount.h>
#include <linux/dqblk_v2.h>
-#include <linux/quotaio_v2.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -15,6 +14,8 @@
#include <asm/byteorder.h>
+#include "quotaio_v2.h"
+
MODULE_AUTHOR("Jan Kara");
MODULE_DESCRIPTION("Quota format v2 support");
MODULE_LICENSE("GPL");
@@ -129,8 +130,8 @@ static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id)
d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit);
d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes);
d->dqb_itime = cpu_to_le64(m->dqb_itime);
- d->dqb_bhardlimit = cpu_to_le32(v2_qbtos(m->dqb_bhardlimit));
- d->dqb_bsoftlimit = cpu_to_le32(v2_qbtos(m->dqb_bsoftlimit));
+ d->dqb_bhardlimit = cpu_to_le32(v2_stoqb(m->dqb_bhardlimit));
+ d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit));
d->dqb_curspace = cpu_to_le64(m->dqb_curspace);
d->dqb_btime = cpu_to_le64(m->dqb_btime);
d->dqb_id = cpu_to_le32(id);
diff --git a/fs/quotaio_v1.h b/fs/quotaio_v1.h
new file mode 100644
index 00000000000..746654b5de7
--- /dev/null
+++ b/fs/quotaio_v1.h
@@ -0,0 +1,33 @@
+#ifndef _LINUX_QUOTAIO_V1_H
+#define _LINUX_QUOTAIO_V1_H
+
+#include <linux/types.h>
+
+/*
+ * The following constants define the amount of time given a user
+ * before the soft limits are treated as hard limits (usually resulting
+ * in an allocation failure). The timer is started when the user crosses
+ * their soft limit, it is reset when they go below their soft limit.
+ */
+#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
+#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
+
+/*
+ * The following structure defines the format of the disk quota file
+ * (as it appears on disk) - the file is an array of these structures
+ * indexed by user or group number.
+ */
+struct v1_disk_dqblk {
+ __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */
+ __u32 dqb_bsoftlimit; /* preferred limit on disk blks */
+ __u32 dqb_curblocks; /* current block count */
+ __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
+ __u32 dqb_isoftlimit; /* preferred inode limit */
+ __u32 dqb_curinodes; /* current # allocated inodes */
+ time_t dqb_btime; /* time limit for excessive disk use */
+ time_t dqb_itime; /* time limit for excessive inode use */
+};
+
+#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk)))
+
+#endif /* _LINUX_QUOTAIO_V1_H */
diff --git a/fs/quotaio_v2.h b/fs/quotaio_v2.h
new file mode 100644
index 00000000000..303d7cbe30d
--- /dev/null
+++ b/fs/quotaio_v2.h
@@ -0,0 +1,79 @@
+/*
+ * Definitions of structures for vfsv0 quota format
+ */
+
+#ifndef _LINUX_QUOTAIO_V2_H
+#define _LINUX_QUOTAIO_V2_H
+
+#include <linux/types.h>
+#include <linux/quota.h>
+
+/*
+ * Definitions of magics and versions of current quota files
+ */
+#define V2_INITQMAGICS {\
+ 0xd9c01f11, /* USRQUOTA */\
+ 0xd9c01927 /* GRPQUOTA */\
+}
+
+#define V2_INITQVERSIONS {\
+ 0, /* USRQUOTA */\
+ 0 /* GRPQUOTA */\
+}
+
+/*
+ * The following structure defines the format of the disk quota file
+ * (as it appears on disk) - the file is a radix tree whose leaves point
+ * to blocks of these structures.
+ */
+struct v2_disk_dqblk {
+ __le32 dqb_id; /* id this quota applies to */
+ __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */
+ __le32 dqb_isoftlimit; /* preferred inode limit */
+ __le32 dqb_curinodes; /* current # allocated inodes */
+ __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
+ __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
+ __le64 dqb_curspace; /* current space occupied (in bytes) */
+ __le64 dqb_btime; /* time limit for excessive disk use */
+ __le64 dqb_itime; /* time limit for excessive inode use */
+};
+
+/*
+ * Here are header structures as written on disk and their in-memory copies
+ */
+/* First generic header */
+struct v2_disk_dqheader {
+ __le32 dqh_magic; /* Magic number identifying file */
+ __le32 dqh_version; /* File version */
+};
+
+/* Header with type and version specific information */
+struct v2_disk_dqinfo {
+ __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */
+ __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */
+ __le32 dqi_flags; /* Flags for quotafile (DQF_*) */
+ __le32 dqi_blocks; /* Number of blocks in file */
+ __le32 dqi_free_blk; /* Number of first free block in the list */
+ __le32 dqi_free_entry; /* Number of block with at least one free entry */
+};
+
+/*
+ * Structure of header of block with quota structures. It is padded to 16 bytes so
+ * there will be space for exactly 21 quota-entries in a block
+ */
+struct v2_disk_dqdbheader {
+ __le32 dqdh_next_free; /* Number of next block with free entry */
+ __le32 dqdh_prev_free; /* Number of previous block with free entry */
+ __le16 dqdh_entries; /* Number of valid entries in block */
+ __le16 dqdh_pad1;
+ __le32 dqdh_pad2;
+};
+
+#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 */
+
+#endif /* _LINUX_QUOTAIO_V2_H */