* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#ifndef _LUSTRE_QUOTA_FMT_H
#define _LUSTRE_QUOTA_FMT_H
+#ifdef HAVE_QUOTA_SUPPORT
+
#include <linux/types.h>
#include <linux/quota.h>
* Same with quota v2's magic
*/
#define LUSTRE_INITQMAGICS {\
- 0xd9c01f11, /* USRQUOTA */\
- 0xd9c01927 /* GRPQUOTA */\
+ 0xd9c01f11, /** USRQUOTA */\
+ 0xd9c01927 /** GRPQUOTA */\
+}
+
+/* Invalid magics that mark quota file as inconsistent */
+#define LUSTRE_BADQMAGICS {\
+ 0xbadbadba, /** USRQUOTA */\
+ 0xbadbadba /** GRPQUOTA */\
}
-#define LUSTRE_INITQVERSIONS {\
- 0, /* USRQUOTA */\
- 0 /* GRPQUOTA */\
+/* for the verson 2 of lustre_disk_dqblk*/
+#define LUSTRE_INITQVERSIONS_V2 {\
+ 1, /* USRQUOTA */\
+ 1 /* 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.
+ * to blocks of these structures. for the version 2.
*/
-struct lustre_disk_dqblk {
- __u32 dqb_id; /* id this quota applies to */
- __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
- __u32 dqb_isoftlimit; /* preferred inode limit */
- __u32 dqb_curinodes; /* current # allocated inodes */
- __u32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
- __u32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
- __u64 dqb_curspace; /* current space occupied (in bytes) */
- __u64 dqb_btime; /* time limit for excessive disk use */
- __u64 dqb_itime; /* time limit for excessive inode use */
+struct lustre_disk_dqblk_v2 {
+ __u32 dqb_id; /**< id this quota applies to */
+ __u32 padding;
+ __u64 dqb_ihardlimit; /**< absolute limit on allocated inodes */
+ __u64 dqb_isoftlimit; /**< preferred inode limit */
+ __u64 dqb_curinodes; /**< current # allocated inodes */
+ __u64 dqb_bhardlimit; /**< absolute limit on disk space (in QUOTABLOCK_SIZE) */
+ __u64 dqb_bsoftlimit; /**< preferred limit on disk space (in QUOTABLOCK_SIZE) */
+ __u64 dqb_curspace; /**< current space occupied (in bytes) */
+ obd_time dqb_btime; /**< time limit for excessive disk use */
+ obd_time dqb_itime; /**< time limit for excessive inode use */
};
+/* Number of entries in one blocks(14 entries) */
+#define LUSTRE_DQSTRINBLK_V2 \
+ ((LUSTRE_DQBLKSIZE - sizeof(struct lustre_disk_dqdbheader)) \
+ / sizeof(struct lustre_disk_dqblk_v2))
+#define GETENTRIES_V2(buf) (((char *)buf)+sizeof(struct lustre_disk_dqdbheader))
+
+#define GETENTRIES(buf,version) ((version == LUSTRE_QUOTA_V2) ? \
+ GETENTRIES_V2(buf) : 0)
+
/*
* Here are header structures as written on disk and their in-memory copies
*/
#define LUSTRE_DQBLKSIZE (1 << LUSTRE_DQBLKSIZE_BITS) /* Size of block with quota structures */
#define LUSTRE_DQTREEOFF 1 /* Offset of tree in file in blocks */
#define LUSTRE_DQTREEDEPTH 4 /* Depth of quota tree */
-#define LUSTRE_DQSTRINBLK ((LUSTRE_DQBLKSIZE - sizeof(struct lustre_disk_dqdbheader)) / sizeof(struct lustre_disk_dqblk)) /* Number of entries in one blocks */
+typedef char *dqbuf_t;
+
+#define GETIDINDEX(id, depth) (((id) >> ((LUSTRE_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
+
+#define MAX_UL (0xffffffffUL)
+
+#define lustre_info_dirty(info) \
+ cfs_test_bit(DQF_INFO_DIRTY_B, &(info)->dqi_flags)
+
+struct dqblk {
+ cfs_list_t link;
+ uint blk;
+};
+
+/* come from lustre_fmt_common.c */
+dqbuf_t getdqbuf(void);
+void freedqbuf(dqbuf_t buf);
+void disk2memdqb(struct lustre_mem_dqblk *m, void *d,
+ enum lustre_quota_version version);
+void lustre_mark_info_dirty(struct lustre_mem_dqinfo *info);
+int lustre_init_quota_header(struct lustre_quota_info *lqi, int type,
+ int fakemagics);
+int lustre_init_quota_info_generic(struct lustre_quota_info *lqi, int type,
+ int fakemagics);
+int lustre_read_quota_info(struct lustre_quota_info *lqi, int type);
+int lustre_read_quota_file_info(struct file* f, struct lustre_mem_dqinfo* info);
+int lustre_write_quota_info(struct lustre_quota_info *lqi, int type);
+int get_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info);
+int put_free_dqblk(struct file *filp, struct lustre_mem_dqinfo *info,
+ dqbuf_t buf, uint blk);
+int remove_free_dqentry(struct file *filp,
+ struct lustre_mem_dqinfo *info, dqbuf_t buf,
+ uint blk);
+int insert_free_dqentry(struct file *filp,
+ struct lustre_mem_dqinfo *info, dqbuf_t buf,
+ uint blk);
+ssize_t quota_read(struct file *file, struct inode *inode, int type,
+ uint blk, dqbuf_t buf);
+int walk_tree_dqentry(struct file *filp, struct inode *inode, int type,
+ uint blk, int depth, cfs_list_t *list);
+int check_quota_file(struct file *f, struct inode *inode, int type,
+ lustre_quota_version_t version);
+int lustre_check_quota_file(struct lustre_quota_info *lqi, int type);
+int lustre_read_dquot(struct lustre_dquot *dquot);
+int lustre_commit_dquot(struct lustre_dquot *dquot);
+int lustre_init_quota_info(struct lustre_quota_info *lqi, int type);
+int lustre_get_qids(struct file *fp, struct inode *inode, int type,
+ cfs_list_t *list);
+ssize_t lustre_read_quota(struct file *f, struct inode *inode, int type,
+ char *buf, int count, loff_t pos);
+
+#define LUSTRE_ADMIN_QUOTAFILES_V2 {\
+ "admin_quotafile_v2.usr", /* user admin quotafile */\
+ "admin_quotafile_v2.grp" /* group admin quotafile */\
+}
+
+#define LUSTRE_OPQFILES_NAMES_V2 { "lquota_v2.user", "lquota_v2.group" }
#endif /* lustre_quota_fmt.h */
+#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff