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-rw-r--r--include/linux/quota.h44
1 files changed, 30 insertions, 14 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index b462916b2a0a..94c1f03b50eb 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -174,6 +174,7 @@ enum {
#include <linux/rwsem.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
+#include <linux/percpu_counter.h>
#include <linux/dqblk_xfs.h>
#include <linux/dqblk_v1.h>
@@ -238,19 +239,36 @@ static inline int info_dirty(struct mem_dqinfo *info)
return test_bit(DQF_INFO_DIRTY_B, &info->dqi_flags);
}
+enum {
+ DQST_LOOKUPS,
+ DQST_DROPS,
+ DQST_READS,
+ DQST_WRITES,
+ DQST_CACHE_HITS,
+ DQST_ALLOC_DQUOTS,
+ DQST_FREE_DQUOTS,
+ DQST_SYNCS,
+ _DQST_DQSTAT_LAST
+};
+
struct dqstats {
- int lookups;
- int drops;
- int reads;
- int writes;
- int cache_hits;
- int allocated_dquots;
- int free_dquots;
- int syncs;
+ int stat[_DQST_DQSTAT_LAST];
+ struct percpu_counter counter[_DQST_DQSTAT_LAST];
};
+extern struct dqstats *dqstats_pcpu;
extern struct dqstats dqstats;
+static inline void dqstats_inc(unsigned int type)
+{
+ percpu_counter_inc(&dqstats.counter[type]);
+}
+
+static inline void dqstats_dec(unsigned int type)
+{
+ percpu_counter_dec(&dqstats.counter[type]);
+}
+
#define DQ_MOD_B 0 /* dquot modified since read */
#define DQ_BLKS_B 1 /* uid/gid has been warned about blk limit */
#define DQ_INODES_B 2 /* uid/gid has been warned about inode limit */
@@ -306,17 +324,15 @@ struct dquot_operations {
/* Operations handling requests from userspace */
struct quotactl_ops {
- int (*quota_on)(struct super_block *, int, int, char *, int);
- int (*quota_off)(struct super_block *, int, int);
+ int (*quota_on)(struct super_block *, int, int, char *);
+ int (*quota_off)(struct super_block *, int);
int (*quota_sync)(struct super_block *, int, int);
int (*get_info)(struct super_block *, int, struct if_dqinfo *);
int (*set_info)(struct super_block *, int, struct if_dqinfo *);
- int (*get_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
- int (*set_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
+ int (*get_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
+ int (*set_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
int (*set_xstate)(struct super_block *, unsigned int, int);
- int (*get_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
- int (*set_xquota)(struct super_block *, int, qid_t, struct fs_disk_quota *);
};
struct quota_format_type {