[RFC PATCH 3/3] Add pquotaino to on-disk super block
Chandra Seetharaman
sekharan at us.ibm.com
Mon Oct 17 19:09:49 CDT 2011
Add a new field to the superblock to add support for seperate pquota
with a specific version.
No change made yet to gather both project and group quota with quotactl.
Signed-off-by: Chandra Seetharaman <sekharan at us.ibm.com>
---
fs/xfs/xfs_itable.c | 3 ++-
fs/xfs/xfs_mount.c | 32 +++++++++++++++++++++++++++++++-
fs/xfs/xfs_qm.c | 18 ++++++++++++------
fs/xfs/xfs_qm_syscalls.c | 27 ++++++++++++++++++++++-----
fs/xfs/xfs_sb.h | 18 ++++++++++++++----
fs/xfs/xfs_super.c | 15 +++++++++------
fs/xfs/xfs_trans_dquot.c | 4 +++-
include/linux/dqblk_xfs.h | 1 +
8 files changed, 94 insertions(+), 24 deletions(-)
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 751e94f..0ea4361 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -43,7 +43,8 @@ xfs_internal_inum(
{
return (ino == mp->m_sb.sb_rbmino || ino == mp->m_sb.sb_rsumino ||
(xfs_sb_version_hasquota(&mp->m_sb) &&
- (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino)));
+ (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino ||
+ ino == mp->m_sb.sb_pquotino)));
}
/*
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index a60d555..935d0cb 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -108,6 +108,7 @@ static const struct {
{ offsetof(xfs_sb_t, sb_logsunit), 0 },
{ offsetof(xfs_sb_t, sb_features2), 0 },
{ offsetof(xfs_sb_t, sb_bad_features2), 0 },
+ { offsetof(xfs_sb_t, sb_pquotino), 0 },
{ sizeof(xfs_sb_t), 0 }
};
@@ -610,6 +611,11 @@ xfs_sb_from_disk(
to->sb_logsunit = be32_to_cpu(from->sb_logsunit);
to->sb_features2 = be32_to_cpu(from->sb_features2);
to->sb_bad_features2 = be32_to_cpu(from->sb_bad_features2);
+
+ if (xfs_sb_version_hasseparatepquota(to))
+ to->sb_pquotino = be64_to_cpu(from->sb_pquotino);
+ else if (to->sb_qflags & XFS_PQUOTA_ACCT)
+ to->sb_pquotino = to->sb_gquotino;
}
/*
@@ -627,7 +633,7 @@ xfs_sb_to_disk(
xfs_caddr_t from_ptr = (xfs_caddr_t)from;
xfs_sb_field_t f;
int first;
- int size;
+ int size, saved_pquot = B_FALSE;
__be16 saved_qflags = from->sb_qflags;
ASSERT(fields);
@@ -640,6 +646,14 @@ xfs_sb_to_disk(
from->sb_qflags |= XFS_OQUOTA_CHKD;
from->sb_qflags &= ~(XFS_PQUOTA_ENFD | XFS_PQUOTA_CHKD |
XFS_GQUOTA_ENFD | XFS_GQUOTA_CHKD);
+
+ if (!xfs_sb_version_hasseparatepquota(from) &&
+ (saved_qflags & (XFS_PQUOTA_ENFD | XFS_PQUOTA_CHKD))) {
+ from->sb_gquotino = from->sb_pquotino;
+ from->sb_pquotino = 0;
+ saved_pquot = B_TRUE;
+ }
+
while (fields) {
f = (xfs_sb_field_t)xfs_lowbit64((__uint64_t)fields);
first = xfs_sb_info[f].offset;
@@ -671,6 +685,10 @@ xfs_sb_to_disk(
fields &= ~(1LL << f);
}
from->sb_qflags = saved_qflags;
+ if (saved_pquot) {
+ from->sb_pquotino = from->sb_gquotino;
+ from->sb_gquotino = NULLFSINO;
+ }
}
/*
@@ -738,6 +756,12 @@ reread:
goto reread;
}
+ if (!xfs_sb_version_hasseparatepquota(&mp->m_sb) &&
+ XFS_IS_PQUOTA_ON(mp)) {
+ mp->m_sb.sb_pquotino = mp->m_sb.sb_gquotino;
+ mp->m_sb.sb_gquotino = NULLFSINO;
+ }
+
/* Initialize per-cpu counters */
xfs_icsb_reinit_counters(mp);
@@ -1656,6 +1680,12 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields)
first = sizeof(xfs_sb_t);
last = 0;
+ if (!xfs_sb_version_hasseparatepquota(&mp->m_sb) &&
+ XFS_IS_PQUOTA_ON(mp)) {
+ fields &= (__int64_t)~XFS_SB_PQUOTINO;
+ fields |= (__int64_t)XFS_SB_GQUOTINO;
+ }
+
/* translate/copy */
xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb, fields);
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 931adc5..dc884f9 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -777,7 +777,8 @@ xfs_qm_dqattach_locked(
!XFS_IS_QUOTA_ON(mp) ||
!XFS_NOT_DQATTACHED(mp, ip) ||
ip->i_ino == mp->m_sb.sb_uquotino ||
- ip->i_ino == mp->m_sb.sb_gquotino)
+ ip->i_ino == mp->m_sb.sb_gquotino ||
+ ip->i_ino == mp->m_sb.sb_pquotino)
return 0;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
@@ -898,6 +899,7 @@ xfs_qm_dqdetach(
ASSERT(ip->i_ino != ip->i_mount->m_sb.sb_uquotino);
ASSERT(ip->i_ino != ip->i_mount->m_sb.sb_gquotino);
+ ASSERT(ip->i_ino != ip->i_mount->m_sb.sb_pquotino);
if (ip->i_udquot) {
xfs_qm_dqrele(ip->i_udquot);
ip->i_udquot = NULL;
@@ -1233,19 +1235,22 @@ xfs_qm_qino_alloc(
ASSERT((sbfields & (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
XFS_SB_GQUOTINO | XFS_SB_QFLAGS)) ==
(XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
- XFS_SB_GQUOTINO | XFS_SB_QFLAGS));
+ XFS_SB_GQUOTINO | XFS_SB_PQUOTINO | XFS_SB_QFLAGS));
xfs_sb_version_addquota(&mp->m_sb);
mp->m_sb.sb_uquotino = NULLFSINO;
mp->m_sb.sb_gquotino = NULLFSINO;
+ mp->m_sb.sb_pquotino = NULLFSINO;
/* qflags will get updated _after_ quotacheck */
mp->m_sb.sb_qflags = 0;
}
if (flags & XFS_QMOPT_UQUOTA)
mp->m_sb.sb_uquotino = (*ip)->i_ino;
- else
+ else if (flags & XFS_QMOPT_GQUOTA)
mp->m_sb.sb_gquotino = (*ip)->i_ino;
+ else
+ mp->m_sb.sb_pquotino = (*ip)->i_ino;
spin_unlock(&mp->m_sb_lock);
xfs_mod_sb(tp, sbfields);
@@ -1552,7 +1557,8 @@ xfs_qm_dqusage_adjust(
* rootino must have its resources accounted for, not so with the quota
* inodes.
*/
- if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) {
+ if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino ||
+ ino == mp->m_sb.sb_pquotino) {
*res = BULKSTAT_RV_NOTHING;
return XFS_ERROR(EINVAL);
}
@@ -1811,7 +1817,7 @@ xfs_qm_init_quotainos(
} else {
flags |= XFS_QMOPT_SBVERSION;
sbflags |= (XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO |
- XFS_SB_GQUOTINO | XFS_SB_QFLAGS);
+ XFS_SB_GQUOTINO | XFS_SB_PQUOTINO | XFS_SB_QFLAGS);
}
/*
@@ -1841,7 +1847,7 @@ xfs_qm_init_quotainos(
}
if (XFS_IS_PQUOTA_ON(mp) && pip == NULL) {
error = xfs_qm_qino_alloc(mp, &pip,
- sbflags | XFS_SB_GQUOTINO,
+ sbflags | XFS_SB_PQUOTINO,
flags | XFS_QMOPT_PQUOTA);
if (error) {
if (uip)
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 5f3f2d3..407a45d 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -299,8 +299,10 @@ xfs_qm_scall_trunc_qfiles(
if (flags & XFS_DQ_USER)
error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino);
- if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ))
+ if (flags & XFS_DQ_GROUP)
error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino);
+ if (flags & XFS_DQ_PROJ)
+ error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino);
return error ? error : error2;
}
@@ -416,17 +418,18 @@ xfs_qm_scall_getqstat(
struct fs_quota_stat *out)
{
struct xfs_quotainfo *q = mp->m_quotainfo;
- struct xfs_inode *uip, *gip;
- boolean_t tempuqip, tempgqip;
+ struct xfs_inode *uip, *gip, *pip;
+ boolean_t tempuqip, tempgqip, temppqip;
- uip = gip = NULL;
- tempuqip = tempgqip = B_FALSE;
+ uip = gip = pip = NULL;
+ tempuqip = tempgqip = temppqip = B_FALSE;
memset(out, 0, sizeof(fs_quota_stat_t));
out->qs_version = FS_QSTAT_VERSION;
if (!xfs_sb_version_hasquota(&mp->m_sb)) {
out->qs_uquota.qfs_ino = NULLFSINO;
out->qs_gquota.qfs_ino = NULLFSINO;
+ out->qs_pquota.qfs_ino = NULLFSINO;
return (0);
}
out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
@@ -435,10 +438,13 @@ xfs_qm_scall_getqstat(
out->qs_pad = 0;
out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino;
out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino;
+ if (&out->qs_gquota != &out->qs_pquota)
+ out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino;
if (q) {
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,
@@ -450,6 +456,11 @@ xfs_qm_scall_getqstat(
0, 0, &gip) == 0)
tempgqip = B_TRUE;
}
+ if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) {
+ if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino,
+ 0, 0, &pip) == 0)
+ temppqip = B_TRUE;
+ }
if (uip) {
out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks;
out->qs_uquota.qfs_nextents = uip->i_d.di_nextents;
@@ -462,6 +473,12 @@ xfs_qm_scall_getqstat(
if (tempgqip)
IRELE(gip);
}
+ if (pip) {
+ out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks;
+ out->qs_gquota.qfs_nextents = pip->i_d.di_nextents;
+ if (temppqip)
+ IRELE(pip);
+ }
if (q) {
out->qs_incoredqs = q->qi_dquots;
out->qs_btimelimit = q->qi_btimelimit;
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 5242512..6ecd5b6 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -81,11 +81,13 @@ struct xfs_mount;
#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
#define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */
#define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */
+#define XFS_SB_VERSION2_SEPER_PQUOTA 0x00000100 /* sep prj quota inode */
#define XFS_SB_VERSION2_OKREALFBITS \
(XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
XFS_SB_VERSION2_ATTR2BIT | \
- XFS_SB_VERSION2_PROJID32BIT)
+ XFS_SB_VERSION2_PROJID32BIT | \
+ XFS_SB_VERSION2_SEPER_PQUOTA)
#define XFS_SB_VERSION2_OKSASHFBITS \
(0)
#define XFS_SB_VERSION2_OKREALBITS \
@@ -140,7 +142,6 @@ typedef struct xfs_sb {
*/
xfs_ino_t sb_uquotino; /* user quota inode */
xfs_ino_t sb_gquotino; /* group quota inode */
-#define sb_pquotino sb_gquotino
__uint16_t sb_qflags; /* quota flags */
__uint8_t sb_flags; /* misc. flags */
__uint8_t sb_shared_vn; /* shared version number */
@@ -160,6 +161,7 @@ typedef struct xfs_sb {
* it for anything else.
*/
__uint32_t sb_bad_features2;
+ xfs_ino_t sb_pquotino; /* project quota inode */
/* must be padded to 64 bit alignment */
} xfs_sb_t;
@@ -230,6 +232,7 @@ typedef struct xfs_dsb {
* it for anything else.
*/
__be32 sb_bad_features2;
+ __be64 sb_pquotino; /* project quota inode */
/* must be padded to 64 bit alignment */
} xfs_dsb_t;
@@ -250,7 +253,7 @@ typedef enum {
XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
XFS_SBS_LOGSECTLOG, XFS_SBS_LOGSECTSIZE, XFS_SBS_LOGSUNIT,
- XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2,
+ XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2, XFS_SBS_PQUOTINO,
XFS_SBS_FIELDCOUNT
} xfs_sb_field_t;
@@ -276,6 +279,7 @@ typedef enum {
#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
#define XFS_SB_BAD_FEATURES2 XFS_SB_MVAL(BAD_FEATURES2)
+#define XFS_SB_PQUOTINO XFS_SB_MVAL(PQUOTINO)
#define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT)
#define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1)
#define XFS_SB_MOD_BITS \
@@ -283,7 +287,7 @@ typedef enum {
XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2 | \
- XFS_SB_BAD_FEATURES2)
+ XFS_SB_BAD_FEATURES2 | XFS_SB_PQUOTINO)
/*
@@ -504,6 +508,12 @@ static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp)
(sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT);
}
+static inline int xfs_sb_version_hasseparatepquota(xfs_sb_t *sbp)
+{
+ return xfs_sb_version_hasmorebits(sbp) &&
+ (sbp->sb_features2 & XFS_SB_VERSION2_SEPER_PQUOTA);
+}
+
/*
* end of superblock version macros
*/
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index b1c8d5b..9c094bd 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -410,12 +410,6 @@ xfs_parseargs(
}
#endif
- if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
- (mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE))) {
- xfs_warn(mp, "cannot mount with both project and group quota");
- return EINVAL;
- }
-
if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
xfs_warn(mp, "sunit and swidth must be specified together");
return EINVAL;
@@ -1362,6 +1356,15 @@ xfs_fs_fill_super(
if (error)
goto out_destroy_counters;
+ if ((mp->m_qflags & (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE)) &&
+ (mp->m_qflags & (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE)) &&
+ !xfs_sb_version_hasseparatepquota(&mp->m_sb)) {
+ xfs_warn(mp, "Super block does not support "
+ "project and group quota together");
+ error = EINVAL;
+ goto out_free_sb;
+ }
+
error = xfs_finish_flags(mp);
if (error)
goto out_free_sb;
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 3f84601..c0d9957 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -165,7 +165,8 @@ xfs_trans_mod_dquot_byino(
if (!XFS_IS_QUOTA_RUNNING(mp) ||
!XFS_IS_QUOTA_ON(mp) ||
ip->i_ino == mp->m_sb.sb_uquotino ||
- ip->i_ino == mp->m_sb.sb_gquotino)
+ ip->i_ino == mp->m_sb.sb_gquotino ||
+ ip->i_ino == mp->m_sb.sb_pquotino)
return;
if (tp->t_dqinfo == NULL)
@@ -857,6 +858,7 @@ xfs_trans_reserve_quota_nblks(
ASSERT(ip->i_ino != mp->m_sb.sb_uquotino);
ASSERT(ip->i_ino != mp->m_sb.sb_gquotino);
+ ASSERT(ip->i_ino != mp->m_sb.sb_pquotino);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT((flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) ==
diff --git a/include/linux/dqblk_xfs.h b/include/linux/dqblk_xfs.h
index 8655280..f17e3bb 100644
--- a/include/linux/dqblk_xfs.h
+++ b/include/linux/dqblk_xfs.h
@@ -155,6 +155,7 @@ typedef struct fs_quota_stat {
__s8 qs_pad; /* unused */
fs_qfilestat_t qs_uquota; /* user quota storage information */
fs_qfilestat_t qs_gquota; /* group quota storage information */
+#define qs_pquota qs_gquota
__u32 qs_incoredqs; /* number of dquots incore */
__s32 qs_btimelimit; /* limit for blks timer */
__s32 qs_itimelimit; /* limit for inodes timer */
--
1.7.1
More information about the xfs
mailing list