diff options
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/quota.c | 20 | ||||
| -rw-r--r-- | fs/gfs2/util.c | 6 |
2 files changed, 15 insertions, 11 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 7765346e3617..704192b73605 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -75,6 +75,9 @@ #define GFS2_QD_HASH_SIZE BIT(GFS2_QD_HASH_SHIFT) #define GFS2_QD_HASH_MASK (GFS2_QD_HASH_SIZE - 1) +#define QC_CHANGE 0 +#define QC_SYNC 1 + /* Lock order: qd_lock -> bucket lock -> qd->lockref.lock -> lru lock */ /* -> sd_bitmap_lock */ static DEFINE_SPINLOCK(qd_lock); @@ -470,7 +473,6 @@ static int qd_fish(struct gfs2_sbd *sdp, struct gfs2_quota_data **qdp) spin_unlock(&qd_lock); if (qd) { - gfs2_assert_warn(sdp, qd->qd_change_sync); error = bh_get(qd); if (error) { clear_bit(QDF_LOCKED, &qd->qd_flags); @@ -662,7 +664,7 @@ static int sort_qd(const void *a, const void *b) return 0; } -static void do_qc(struct gfs2_quota_data *qd, s64 change) +static void do_qc(struct gfs2_quota_data *qd, s64 change, int qc_type) { struct gfs2_sbd *sdp = qd->qd_gl->gl_name.ln_sbd; struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode); @@ -687,16 +689,18 @@ static void do_qc(struct gfs2_quota_data *qd, s64 change) qd->qd_change = x; spin_unlock(&qd_lock); - if (!x) { + if (qc_type == QC_CHANGE) { + if (!test_and_set_bit(QDF_CHANGE, &qd->qd_flags)) { + qd_hold(qd); + slot_hold(qd); + } + } else { gfs2_assert_warn(sdp, test_bit(QDF_CHANGE, &qd->qd_flags)); clear_bit(QDF_CHANGE, &qd->qd_flags); qc->qc_flags = 0; qc->qc_id = 0; slot_put(qd); qd_put(qd); - } else if (!test_and_set_bit(QDF_CHANGE, &qd->qd_flags)) { - qd_hold(qd); - slot_hold(qd); } if (change < 0) /* Reset quiet flag if we freed some blocks */ @@ -953,7 +957,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda) if (error) goto out_end_trans; - do_qc(qd, -qd->qd_change_sync); + do_qc(qd, -qd->qd_change_sync, QC_SYNC); set_bit(QDF_REFRESH, &qd->qd_flags); } @@ -1279,7 +1283,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change, if (qid_eq(qd->qd_id, make_kqid_uid(uid)) || qid_eq(qd->qd_id, make_kqid_gid(gid))) { - do_qc(qd, change); + do_qc(qd, change, QC_CHANGE); } } } diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c index b9db034c7f58..dac22b1c1a2e 100644 --- a/fs/gfs2/util.c +++ b/fs/gfs2/util.c @@ -98,12 +98,12 @@ out_unlock: */ int gfs2_freeze_lock_shared(struct gfs2_sbd *sdp) { - int flags = LM_FLAG_NOEXP | GL_EXACT; int error; - error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, flags, + error = gfs2_glock_nq_init(sdp->sd_freeze_gl, LM_ST_SHARED, + LM_FLAG_NOEXP | GL_EXACT, &sdp->sd_freeze_gh); - if (error && error != GLR_TRYFAILED) + if (error) fs_err(sdp, "can't lock the freeze glock: %d\n", error); return error; } |