Convert xfs to use ->get_state callback instead of ->get_xstate and
->get_xstatev.

Signed-off-by: Jan Kara <j...@suse.cz>
---
 fs/xfs/xfs_qm.h          |   4 --
 fs/xfs/xfs_qm_syscalls.c | 176 -----------------------------------------------
 fs/xfs/xfs_quotaops.c    |  98 +++++++++++++++++++-------
 3 files changed, 72 insertions(+), 206 deletions(-)

diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 41f6c0b9d51c..1000c7e9eee0 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -169,10 +169,6 @@ extern int         xfs_qm_scall_getquota(struct xfs_mount 
*, xfs_dqid_t,
                                        uint, struct qc_dqblk *);
 extern int             xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, 
uint,
                                        struct qc_dqblk *);
-extern int             xfs_qm_scall_getqstat(struct xfs_mount *,
-                                       struct fs_quota_stat *);
-extern int             xfs_qm_scall_getqstatv(struct xfs_mount *,
-                                       struct fs_quota_statv *);
 extern int             xfs_qm_scall_quotaon(struct xfs_mount *, uint);
 extern int             xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
 
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index d56a4f5155d5..c2f674b66d2f 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -38,7 +38,6 @@
 STATIC int     xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
 STATIC int     xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
                                        uint);
-STATIC uint    xfs_qm_export_flags(uint);
 
 /*
  * Turn off quota accounting and/or enforcement for all udquots and/or
@@ -393,159 +392,6 @@ xfs_qm_scall_quotaon(
        return 0;
 }
 
-
-/*
- * Return quota status information, such as uquota-off, enforcements, etc.
- * for Q_XGETQSTAT command.
- */
-int
-xfs_qm_scall_getqstat(
-       struct xfs_mount        *mp,
-       struct fs_quota_stat    *out)
-{
-       struct xfs_quotainfo    *q = mp->m_quotainfo;
-       struct xfs_inode        *uip = NULL;
-       struct xfs_inode        *gip = NULL;
-       struct xfs_inode        *pip = NULL;
-       bool                    tempuqip = false;
-       bool                    tempgqip = false;
-       bool                    temppqip = false;
-
-       memset(out, 0, sizeof(fs_quota_stat_t));
-
-       out->qs_version = FS_QSTAT_VERSION;
-       out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
-                                                       (XFS_ALL_QUOTA_ACCT|
-                                                        XFS_ALL_QUOTA_ENFD));
-       uip = q->qi_uquotaip;
-       gip = q->qi_gquotaip;
-       pip = q->qi_pquotaip;
-       if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
-               if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
-                                       0, 0, &uip) == 0)
-                       tempuqip = true;
-       }
-       if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
-               if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
-                                       0, 0, &gip) == 0)
-                       tempgqip = true;
-       }
-       /*
-        * Q_XGETQSTAT doesn't have room for both group and project quotas.
-        * So, allow the project quota values to be copied out only if
-        * there is no group quota information available.
-        */
-       if (!gip) {
-               if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {
-                       if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,
-                                               0, 0, &pip) == 0)
-                               temppqip = true;
-               }
-       } else
-               pip = NULL;
-       if (uip) {
-               out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
-               out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
-               out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
-               if (tempuqip)
-                       IRELE(uip);
-       }
-
-       if (gip) {
-               out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
-               out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
-               out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
-               if (tempgqip)
-                       IRELE(gip);
-       }
-       if (pip) {
-               out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
-               out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks;
-               out->qs_gquota.qfs_nextents = pip->i_d.di_nextents;
-               if (temppqip)
-                       IRELE(pip);
-       }
-       out->qs_incoredqs = q->qi_dquots;
-       out->qs_btimelimit = q->qi_btimelimit;
-       out->qs_itimelimit = q->qi_itimelimit;
-       out->qs_rtbtimelimit = q->qi_rtbtimelimit;
-       out->qs_bwarnlimit = q->qi_bwarnlimit;
-       out->qs_iwarnlimit = q->qi_iwarnlimit;
-
-       return 0;
-}
-
-/*
- * Return quota status information, such as uquota-off, enforcements, etc.
- * for Q_XGETQSTATV command, to support separate project quota field.
- */
-int
-xfs_qm_scall_getqstatv(
-       struct xfs_mount        *mp,
-       struct fs_quota_statv   *out)
-{
-       struct xfs_quotainfo    *q = mp->m_quotainfo;
-       struct xfs_inode        *uip = NULL;
-       struct xfs_inode        *gip = NULL;
-       struct xfs_inode        *pip = NULL;
-       bool                    tempuqip = false;
-       bool                    tempgqip = false;
-       bool                    temppqip = false;
-
-       out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
-                                                       (XFS_ALL_QUOTA_ACCT|
-                                                        XFS_ALL_QUOTA_ENFD));
-       out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
-       out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
-       out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino;
-
-       uip = q->qi_uquotaip;
-       gip = q->qi_gquotaip;
-       pip = q->qi_pquotaip;
-       if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) {
-               if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino,
-                                       0, 0, &uip) == 0)
-                       tempuqip = true;
-       }
-       if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) {
-               if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino,
-                                       0, 0, &gip) == 0)
-                       tempgqip = true;
-       }
-       if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {
-               if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,
-                                       0, 0, &pip) == 0)
-                       temppqip = true;
-       }
-       if (uip) {
-               out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
-               out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
-               if (tempuqip)
-                       IRELE(uip);
-       }
-
-       if (gip) {
-               out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks;
-               out->qs_gquota.qfs_nextents = gip->i_d.di_nextents;
-               if (tempgqip)
-                       IRELE(gip);
-       }
-       if (pip) {
-               out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks;
-               out->qs_pquota.qfs_nextents = pip->i_d.di_nextents;
-               if (temppqip)
-                       IRELE(pip);
-       }
-       out->qs_incoredqs = q->qi_dquots;
-       out->qs_btimelimit = q->qi_btimelimit;
-       out->qs_itimelimit = q->qi_itimelimit;
-       out->qs_rtbtimelimit = q->qi_rtbtimelimit;
-       out->qs_bwarnlimit = q->qi_bwarnlimit;
-       out->qs_iwarnlimit = q->qi_iwarnlimit;
-
-       return 0;
-}
-
 #define XFS_QC_MASK \
        (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK)
 
@@ -877,28 +723,6 @@ out_put:
        return error;
 }
 
-STATIC uint
-xfs_qm_export_flags(
-       uint flags)
-{
-       uint uflags;
-
-       uflags = 0;
-       if (flags & XFS_UQUOTA_ACCT)
-               uflags |= FS_QUOTA_UDQ_ACCT;
-       if (flags & XFS_GQUOTA_ACCT)
-               uflags |= FS_QUOTA_GDQ_ACCT;
-       if (flags & XFS_PQUOTA_ACCT)
-               uflags |= FS_QUOTA_PDQ_ACCT;
-       if (flags & XFS_UQUOTA_ENFD)
-               uflags |= FS_QUOTA_UDQ_ENFD;
-       if (flags & XFS_GQUOTA_ENFD)
-               uflags |= FS_QUOTA_GDQ_ENFD;
-       if (flags & XFS_PQUOTA_ENFD)
-               uflags |= FS_QUOTA_PDQ_ENFD;
-       return uflags;
-}
-
 
 STATIC int
 xfs_dqrele_inode(
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 6923905ab33d..df9835396c4f 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -23,45 +23,92 @@
 #include "xfs_inode.h"
 #include "xfs_quota.h"
 #include "xfs_trans.h"
+#include "xfs_trace.h"
+#include "xfs_icache.h"
 #include "xfs_qm.h"
 #include <linux/quota.h>
 
 
-STATIC int
-xfs_quota_type(int type)
+static void
+xfs_qm_fill_state(
+       struct qc_type_state *tstate,
+       struct xfs_mount *mp,
+       struct xfs_inode *ip,
+       xfs_ino_t ino)
 {
-       switch (type) {
-       case USRQUOTA:
-               return XFS_DQ_USER;
-       case GRPQUOTA:
-               return XFS_DQ_GROUP;
-       default:
-               return XFS_DQ_PROJ;
+       struct xfs_quotainfo *q = mp->m_quotainfo;
+       bool tempqip = false;
+
+       tstate->ino = ino;
+       if (!ip && ino == NULLFSINO)
+               return;
+       if (!ip) {
+               if (xfs_iget(mp, NULL, ino, 0, 0, &ip))
+                       return;
+               tempqip = true;
        }
+       tstate->flags |= QCI_SYSFILE;
+       tstate->blocks = ip->i_d.di_nblocks;
+       tstate->nextents = ip->i_d.di_nextents;
+       tstate->spc_timelimit = q->qi_btimelimit;
+       tstate->ino_timelimit = q->qi_itimelimit;
+       tstate->rt_spc_timelimit = q->qi_rtbtimelimit;
+       tstate->spc_warnlimit = q->qi_bwarnlimit;
+       tstate->ino_warnlimit = q->qi_iwarnlimit;
+       tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit;
+       if (tempqip)
+               IRELE(ip);
 }
 
-STATIC int
-xfs_fs_get_xstate(
-       struct super_block      *sb,
-       struct fs_quota_stat    *fqs)
+/*
+ * Return quota status information, such as enforcements, quota file inode
+ * numbers etc.
+ */
+static int
+xfs_fs_get_quota_state(
+       struct super_block *sb,
+       struct qc_state *state)
 {
-       struct xfs_mount        *mp = XFS_M(sb);
+       struct xfs_mount *mp = XFS_M(sb);
+       struct xfs_quotainfo *q = mp->m_quotainfo;
 
+       memset(state, 0, sizeof(*state));
        if (!XFS_IS_QUOTA_RUNNING(mp))
-               return -ENOSYS;
-       return xfs_qm_scall_getqstat(mp, fqs);
+               return 0;
+       state->s_incoredqs = q->qi_dquots;
+       if (XFS_IS_UQUOTA_RUNNING(mp))
+               state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED;
+       if (XFS_IS_UQUOTA_ENFORCED(mp))
+               state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED;
+       if (XFS_IS_GQUOTA_RUNNING(mp))
+               state->s_state[GRPQUOTA].flags |= QCI_ACCT_ENABLED;
+       if (XFS_IS_GQUOTA_ENFORCED(mp))
+               state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED;
+       if (XFS_IS_PQUOTA_RUNNING(mp))
+               state->s_state[PRJQUOTA].flags |= QCI_ACCT_ENABLED;
+       if (XFS_IS_PQUOTA_ENFORCED(mp))
+               state->s_state[PRJQUOTA].flags |= QCI_LIMITS_ENFORCED;
+
+       xfs_qm_fill_state(&state->s_state[USRQUOTA], mp, q->qi_uquotaip,
+                         mp->m_sb.sb_uquotino);
+       xfs_qm_fill_state(&state->s_state[GRPQUOTA], mp, q->qi_gquotaip,
+                         mp->m_sb.sb_gquotino);
+       xfs_qm_fill_state(&state->s_state[PRJQUOTA], mp, q->qi_pquotaip,
+                         mp->m_sb.sb_pquotino);
+       return 0;
 }
 
 STATIC int
-xfs_fs_get_xstatev(
-       struct super_block      *sb,
-       struct fs_quota_statv   *fqs)
+xfs_quota_type(int type)
 {
-       struct xfs_mount        *mp = XFS_M(sb);
-
-       if (!XFS_IS_QUOTA_RUNNING(mp))
-               return -ENOSYS;
-       return xfs_qm_scall_getqstatv(mp, fqs);
+       switch (type) {
+       case USRQUOTA:
+               return XFS_DQ_USER;
+       case GRPQUOTA:
+               return XFS_DQ_GROUP;
+       default:
+               return XFS_DQ_PROJ;
+       }
 }
 
 static unsigned int
@@ -178,8 +225,7 @@ xfs_fs_set_dqblk(
 }
 
 const struct quotactl_ops xfs_quotactl_operations = {
-       .get_xstatev            = xfs_fs_get_xstatev,
-       .get_xstate             = xfs_fs_get_xstate,
+       .get_state              = xfs_fs_get_quota_state,
        .quota_enable           = xfs_quota_enable,
        .quota_disable          = xfs_quota_disable,
        .rm_xquota              = xfs_fs_rm_xquota,
-- 
2.1.2

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