typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */
typedef __u64 qsize_t; /* Type in which we store sizes */
-extern spinlock_t dq_data_lock;
-
/* Size of blocks in which are counted size limits */
#define QUOTABLOCK_BITS 10
#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
__u32 dqi_valid;
};
+/*
+ * Definitions for quota netlink interface
+ */
+#define QUOTA_NL_NOWARN 0
+#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
+#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
+#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
+#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
+#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
+#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
+
+enum {
+ QUOTA_NL_C_UNSPEC,
+ QUOTA_NL_C_WARNING,
+ __QUOTA_NL_C_MAX,
+};
+#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
+
+enum {
+ QUOTA_NL_A_UNSPEC,
+ QUOTA_NL_A_QTYPE,
+ QUOTA_NL_A_EXCESS_ID,
+ QUOTA_NL_A_WARNING,
+ QUOTA_NL_A_DEV_MAJOR,
+ QUOTA_NL_A_DEV_MINOR,
+ QUOTA_NL_A_CAUSED_ID,
+ __QUOTA_NL_A_MAX,
+};
+#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
+
+
#ifdef __KERNEL__
-#include <linux/spinlock.h>
+#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/rwsem.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
#include <linux/dqblk_xfs.h>
#include <linux/dqblk_v1.h>
#include <linux/dqblk_v2.h>
+#include <asm/atomic.h>
+
+extern spinlock_t dq_data_lock;
+
/* Maximal numbers of writes for quota operation (insert/delete/update)
* (over VFS all formats) */
#define DQUOT_INIT_ALLOC max(V1_INIT_ALLOC, V2_INIT_ALLOC)
struct mem_dqinfo {
struct quota_format_type *dqi_format;
+ int dqi_fmt_id; /* Id of the dqi_format - used when turning
+ * quotas on after remount RW */
struct list_head dqi_dirty_list; /* List of dirty dquots */
unsigned long dqi_flags;
unsigned int dqi_bgrace;
unsigned int dqi_igrace;
+ qsize_t dqi_maxblimit;
+ qsize_t dqi_maxilimit;
union {
struct v1_mem_dqinfo v1_i;
struct v2_mem_dqinfo v2_i;
/* Operations handling requests from userspace */
struct quotactl_ops {
- int (*quota_on)(struct super_block *, int, int, char *);
- int (*quota_off)(struct super_block *, int);
+ int (*quota_on)(struct super_block *, int, int, char *, int);
+ int (*quota_off)(struct super_block *, int, int);
int (*quota_sync)(struct super_block *, int);
int (*get_info)(struct super_block *, int, struct if_dqinfo *);
int (*set_info)(struct super_block *, int, struct if_dqinfo *);
#define DQUOT_USR_ENABLED 0x01 /* User diskquotas enabled */
#define DQUOT_GRP_ENABLED 0x02 /* Group diskquotas enabled */
+#define DQUOT_USR_SUSPENDED 0x04 /* User diskquotas are off, but
+ * we have necessary info in
+ * memory to turn them on */
+#define DQUOT_GRP_SUSPENDED 0x08 /* The same for group quotas */
struct quota_info {
unsigned int flags; /* Flags for diskquotas on this device */
struct quota_format_ops *ops[MAXQUOTAS]; /* Operations for each type */
};
-/* Inline would be better but we need to dereference super_block which is not defined yet */
-int mark_dquot_dirty(struct dquot *dquot);
-
-#define dquot_dirty(dquot) test_bit(DQ_MOD_B, &(dquot)->dq_flags)
-
#define sb_has_quota_enabled(sb, type) ((type)==USRQUOTA ? \
(sb_dqopt(sb)->flags & DQUOT_USR_ENABLED) : (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED))
#define sb_any_quota_enabled(sb) (sb_has_quota_enabled(sb, USRQUOTA) | \
sb_has_quota_enabled(sb, GRPQUOTA))
+#define sb_has_quota_suspended(sb, type) \
+ ((type) == USRQUOTA ? (sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED) : \
+ (sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED))
+
+#define sb_any_quota_suspended(sb) (sb_has_quota_suspended(sb, USRQUOTA) | \
+ sb_has_quota_suspended(sb, GRPQUOTA))
+
int register_quota_format(struct quota_format_type *fmt);
void unregister_quota_format(struct quota_format_type *fmt);