[Ocfs2-devel] [PATCH 19/25] xfs: Remove some pointless quota checks
Jan Kara
jack at suse.cz
Thu Dec 18 07:37:33 PST 2014
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.
Signed-off-by: Jan Kara <jack at suse.cz>
---
fs/xfs/xfs_qm_syscalls.c | 59 ++++++++++++++++--------------------------------
1 file changed, 20 insertions(+), 39 deletions(-)
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 26070257fd39..8cb5090dcdbc 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -410,20 +410,12 @@ 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)
@@ -469,14 +461,13 @@ 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;
}
@@ -497,13 +488,6 @@ 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));
@@ -511,11 +495,9 @@ 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)
@@ -550,14 +532,13 @@ 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;
}
--
1.8.4.5
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