For XFS, add support for Q_XGETQSTATV quotactl command.
Signed-off-by: Chandra Seetharaman <sekharan@xxxxxxxxxx>
---
fs/xfs/xfs_qm.h | 2 +
fs/xfs/xfs_qm_syscalls.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++
fs/xfs/xfs_quotaops.c | 13 +++++++
3 files changed, 97 insertions(+), 0 deletions(-)
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 579d6a0..670cd44 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -160,6 +160,8 @@ extern int xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
struct fs_disk_quota *);
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 8d9e4c7..721aabe 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -406,6 +406,7 @@ xfs_qm_scall_quotaon(
/*
* Return quota status information, such as uquota-off, enforcements, etc.
+ * for Q_XGETQSTAT command.
*/
int
xfs_qm_scall_getqstat(
@@ -493,6 +494,87 @@ xfs_qm_scall_getqstat(
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;
+
+ 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 &
+ (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;
+
+ 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,
+ 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);
+ }
+ if (q) {
+ 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_DQ_MASK \
(FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 20e30f9..fe945e5 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -54,6 +54,18 @@ xfs_fs_get_xstate(
}
STATIC int
+xfs_fs_get_xstatev(
+ struct super_block *sb,
+ struct fs_quota_statv *fqs)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ return -xfs_qm_scall_getqstatv(mp, fqs);
+}
+
+STATIC int
xfs_fs_set_xstate(
struct super_block *sb,
unsigned int uflags,
@@ -133,6 +145,7 @@ xfs_fs_set_dqblk(
}
const struct quotactl_ops xfs_quotactl_operations = {
+ .get_xstatev = xfs_fs_get_xstatev,
.get_xstate = xfs_fs_get_xstate,
.set_xstate = xfs_fs_set_xstate,
.get_dqblk = xfs_fs_get_dqblk,
--
1.7.1
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