diff options
Diffstat (limited to 'include/linux/quota.h')
| -rw-r--r-- | include/linux/quota.h | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h index 6e0393a5b2ea..dcddfb200947 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -160,14 +160,18 @@ enum { #ifdef __KERNEL__ -#include <linux/spinlock.h> -#include <linux/rwsem.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) @@ -198,10 +202,14 @@ struct quota_format_type; 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; @@ -292,8 +300,8 @@ struct dquot_operations { /* 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 *); @@ -314,6 +322,10 @@ struct quota_format_type { #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 */ @@ -325,17 +337,19 @@ struct quota_info { 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); |