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Diffstat (limited to 'include/linux/quota.h')
-rw-r--r--include/linux/quota.h69
1 files changed, 57 insertions, 12 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 50978b781a19..d534e8ed308a 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -216,19 +216,21 @@ struct mem_dqinfo {
unsigned long dqi_flags;
unsigned int dqi_bgrace;
unsigned int dqi_igrace;
- qsize_t dqi_maxblimit;
- qsize_t dqi_maxilimit;
+ qsize_t dqi_max_spc_limit;
+ qsize_t dqi_max_ino_limit;
void *dqi_priv;
};
struct super_block;
-#define DQF_MASK 0xffff /* Mask for format specific flags */
-#define DQF_GETINFO_MASK 0x1ffff /* Mask for flags passed to userspace */
-#define DQF_SETINFO_MASK 0xffff /* Mask for flags modifiable from userspace */
-#define DQF_SYS_FILE_B 16
-#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B) /* Quota file stored as system file */
-#define DQF_INFO_DIRTY_B 31
+/* Mask for flags passed to userspace */
+#define DQF_GETINFO_MASK (DQF_ROOT_SQUASH | DQF_SYS_FILE)
+/* Mask for flags modifiable from userspace */
+#define DQF_SETINFO_MASK DQF_ROOT_SQUASH
+
+enum {
+ DQF_INFO_DIRTY_B = DQF_PRIVATE,
+};
#define DQF_INFO_DIRTY (1 << DQF_INFO_DIRTY_B) /* Is info dirty? */
extern void mark_info_dirty(struct super_block *sb, int type);
@@ -321,18 +323,61 @@ struct dquot_operations {
struct path;
+/* Structure for communicating via ->get_dqblk() & ->set_dqblk() */
+struct qc_dqblk {
+ int d_fieldmask; /* mask of fields to change in ->set_dqblk() */
+ u64 d_spc_hardlimit; /* absolute limit on used space */
+ u64 d_spc_softlimit; /* preferred limit on used space */
+ u64 d_ino_hardlimit; /* maximum # allocated inodes */
+ u64 d_ino_softlimit; /* preferred inode limit */
+ u64 d_space; /* Space owned by the user */
+ u64 d_ino_count; /* # inodes owned by the user */
+ s64 d_ino_timer; /* zero if within inode limits */
+ /* if not, we refuse service */
+ s64 d_spc_timer; /* similar to above; for space */
+ int d_ino_warns; /* # warnings issued wrt num inodes */
+ int d_spc_warns; /* # warnings issued wrt used space */
+ u64 d_rt_spc_hardlimit; /* absolute limit on realtime space */
+ u64 d_rt_spc_softlimit; /* preferred limit on RT space */
+ u64 d_rt_space; /* realtime space owned */
+ s64 d_rt_spc_timer; /* similar to above; for RT space */
+ int d_rt_spc_warns; /* # warnings issued wrt RT space */
+};
+
+/* Field specifiers for ->set_dqblk() in struct qc_dqblk */
+#define QC_INO_SOFT (1<<0)
+#define QC_INO_HARD (1<<1)
+#define QC_SPC_SOFT (1<<2)
+#define QC_SPC_HARD (1<<3)
+#define QC_RT_SPC_SOFT (1<<4)
+#define QC_RT_SPC_HARD (1<<5)
+#define QC_LIMIT_MASK (QC_INO_SOFT | QC_INO_HARD | QC_SPC_SOFT | QC_SPC_HARD | \
+ QC_RT_SPC_SOFT | QC_RT_SPC_HARD)
+#define QC_SPC_TIMER (1<<6)
+#define QC_INO_TIMER (1<<7)
+#define QC_RT_SPC_TIMER (1<<8)
+#define QC_TIMER_MASK (QC_SPC_TIMER | QC_INO_TIMER | QC_RT_SPC_TIMER)
+#define QC_SPC_WARNS (1<<9)
+#define QC_INO_WARNS (1<<10)
+#define QC_RT_SPC_WARNS (1<<11)
+#define QC_WARNS_MASK (QC_SPC_WARNS | QC_INO_WARNS | QC_RT_SPC_WARNS)
+#define QC_SPACE (1<<12)
+#define QC_INO_COUNT (1<<13)
+#define QC_RT_SPACE (1<<14)
+#define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE)
+
/* Operations handling requests from userspace */
struct quotactl_ops {
int (*quota_on)(struct super_block *, int, int, struct path *);
- int (*quota_on_meta)(struct super_block *, int, int);
int (*quota_off)(struct super_block *, int);
+ int (*quota_enable)(struct super_block *, unsigned int);
+ int (*quota_disable)(struct super_block *, unsigned 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 *);
- int (*get_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
- int (*set_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
+ int (*get_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
+ int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
- int (*set_xstate)(struct super_block *, unsigned int, int);
int (*get_xstatev)(struct super_block *, struct fs_quota_statv *);
int (*rm_xquota)(struct super_block *, unsigned int);
};