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linux-sg2042
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xfs: Remove some pointless quota checks 

xfs_fs_get_xstate() and xfs_fs_get_xstatev() check whether there's quota
running before calling xfs_qm_scall_getqstat() or
xfs_qm_scall_getqstatv(). Thus we are certain that superblock supports
quota and xfs_sb_version_hasquota() check is pointless. Similarly we
know that when quota is running, mp->m_quotainfo will be allocated.

Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2014-12-12 20:53:36 +01:00
parent fbf64b3df3
commit a39427007e
1 changed files with 20 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
fs/xfs/xfs_qm_syscalls.c
View File

@ -415,20 +415,12 @@ xfs_qm_scall_getqstat(
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;
return 0;
}
out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags &
(XFS_ALL_QUOTA_ACCT|
XFS_ALL_QUOTA_ENFD));
if (q) {
uip = q->qi_uquotaip;
gip = q->qi_gquotaip;
pip = q->qi_pquotaip;
}
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)
@ -474,14 +466,13 @@ xfs_qm_scall_getqstat(
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;
}
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;
}
@ -502,13 +493,6 @@ xfs_qm_scall_getqstatv(
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));
@ -516,11 +500,9 @@ xfs_qm_scall_getqstatv(
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;
}
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)
@ -555,14 +537,13 @@ xfs_qm_scall_getqstatv(
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;
}
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;
}