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xfs: Add support for the Q_XGETQSTATV

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For XFS, add support for Q_XGETQSTATV quotactl command.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Reviewed-by: Rich Johnston <rjohnston@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Chandra Seetharaman 2013-08-06 17:27:08 -05:00 committed by Ben Myers
parent af30cb446d
commit 5d5e3d5760
3 changed files with 97 additions and 0 deletions
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2
fs/xfs/xfs_qm.h
View file

@ -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);

82
fs/xfs/xfs_qm_syscalls.c
View file

@ -404,6 +404,7 @@ xfs_qm_scall_quotaon(
/*
* Return quota status information, such as uquota-off, enforcements, etc.
* for Q_XGETQSTAT command.
*/
int
xfs_qm_scall_getqstat(
@ -491,6 +492,87 @@ 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)

13
fs/xfs/xfs_quotaops.c
View file

@ -55,6 +55,18 @@ xfs_fs_get_xstate(
return -xfs_qm_scall_getqstat(mp, fqs);
}
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,
@ -135,6 +147,7 @@ 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,