Merge branch 'quota_interface' into for_next_testing

2 files changed, 53 insertions, 7 deletions

diff --git a/include/linux/quota.h b/include/linux/quota.h
index a3374dc3a91b..cf910d1f8efa 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -344,7 +344,10 @@ struct qc_dqblk {
         int d_rt_spc_warns;     /* # warnings issued wrt RT space */
 };
 
-/* Field specifiers for ->set_dqblk() in struct qc_dqblk */
+/*
+ * Field specifiers for ->set_dqblk() in struct qc_dqblk and also for
+ * ->set_info() in struct qc_info
+ */
 #define QC_INO_SOFT     (1<<0)
 #define QC_INO_HARD     (1<<1)
 #define QC_SPC_SOFT     (1<<2)
@@ -365,6 +368,51 @@ struct qc_dqblk {
 #define QC_INO_COUNT    (1<<13)
 #define QC_RT_SPACE     (1<<14)
 #define QC_ACCT_MASK (QC_SPACE | QC_INO_COUNT | QC_RT_SPACE)
+#define QC_FLAGS        (1<<15)
+
+#define QCI_SYSFILE             (1 << 0)        /* Quota file is hidden from userspace */
+#define QCI_ROOT_SQUASH         (1 << 1)        /* Root squash turned on */
+#define QCI_ACCT_ENABLED        (1 << 2)        /* Quota accounting enabled */
+#define QCI_LIMITS_ENFORCED     (1 << 3)        /* Quota limits enforced */
+
+/* Structures for communicating via ->get_state */
+struct qc_type_state {
+        unsigned int flags;             /* Flags QCI_* */
+        unsigned int spc_timelimit;     /* Time after which space softlimit is
+                                         * enforced */
+        unsigned int ino_timelimit;     /* Ditto for inode softlimit */
+        unsigned int rt_spc_timelimit;  /* Ditto for real-time space */
+        unsigned int spc_warnlimit;     /* Limit for number of space warnings */
+        unsigned int ino_warnlimit;     /* Ditto for inodes */
+        unsigned int rt_spc_warnlimit;  /* Ditto for real-time space */
+        unsigned long long ino;         /* Inode number of quota file */
+        blkcnt_t blocks;                /* Number of 512-byte blocks in the file */
+        blkcnt_t nextents;              /* Number of extents in the file */
+};
+
+struct qc_state {
+        unsigned int s_incoredqs;       /* Number of dquots in core */
+        /*
+         * Per quota type information. The array should really have
+         * max(MAXQUOTAS, XQM_MAXQUOTAS) entries. BUILD_BUG_ON in
+         * quota_getinfo() makes sure XQM_MAXQUOTAS is large enough.  Once VFS
+         * supports project quotas, this can be changed to MAXQUOTAS
+         */
+        struct qc_type_state s_state[XQM_MAXQUOTAS];
+};
+
+/* Structure for communicating via ->set_info */
+struct qc_info {
+        int i_fieldmask;        /* mask of fields to change in ->set_info() */
+        unsigned int i_flags;           /* Flags QCI_* */
+        unsigned int i_spc_timelimit;   /* Time after which space softlimit is
+                                         * enforced */
+        unsigned int i_ino_timelimit;   /* Ditto for inode softlimit */
+        unsigned int i_rt_spc_timelimit;/* Ditto for real-time space */
+        unsigned int i_spc_warnlimit;   /* Limit for number of space warnings */
+        unsigned int i_ino_warnlimit;   /* Limit for number of inode warnings */
+        unsigned int i_rt_spc_warnlimit;        /* Ditto for real-time space */
+};
 
 /* Operations handling requests from userspace */
 struct quotactl_ops {
@@ -373,12 +421,10 @@ struct quotactl_ops {
         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 (*set_info)(struct super_block *, int, struct qc_info *);
         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 (*get_xstatev)(struct super_block *, struct fs_quota_statv *);
+        int (*get_state)(struct super_block *, struct qc_state *);
         int (*rm_xquota)(struct super_block *, unsigned int);
 };
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 8778ec4775eb..77ca6601ff25 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -95,8 +95,8 @@ int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
 int dquot_quota_off(struct super_block *sb, int type);
 int dquot_writeback_dquots(struct super_block *sb, int type);
 int dquot_quota_sync(struct super_block *sb, int type);
-int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
+int dquot_get_state(struct super_block *sb, struct qc_state *state);
+int dquot_set_dqinfo(struct super_block *sb, int type, struct qc_info *ii);
 int dquot_get_dqblk(struct super_block *sb, struct kqid id,
                 struct qc_dqblk *di);
 int dquot_set_dqblk(struct super_block *sb, struct kqid id,