GFS2: Rename quota qd_lru_lock qd_lock
This is a straight forward rename which is in preparation for introducing the generic list_lru infrastructure in the following patch. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Abhijith Das <adas@redhat.com> Tested-by: Abhijith Das <adas@redhat.com>
This commit is contained in:
Steven Whitehouse
parent
9b9f039d57
commit
7d80823e1d
|
|
@ -74,7 +74,7 @@ struct gfs2_quota_change_host {
|
|||
|
||||
static LIST_HEAD(qd_lru_list);
|
||||
static atomic_t qd_lru_count = ATOMIC_INIT(0);
|
||||
static DEFINE_SPINLOCK(qd_lru_lock);
|
||||
static DEFINE_SPINLOCK(qd_lock);
|
||||
|
||||
unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
|
||||
struct shrink_control *sc)
|
||||
|
|
@ -87,7 +87,7 @@ unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
|
|||
if (!(sc->gfp_mask & __GFP_FS))
|
||||
return SHRINK_STOP;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
while (nr_to_scan && !list_empty(&qd_lru_list)) {
|
||||
qd = list_entry(qd_lru_list.next,
|
||||
struct gfs2_quota_data, qd_reclaim);
|
||||
|
|
@ -106,13 +106,13 @@ unsigned long gfs2_qd_shrink_scan(struct shrinker *shrink,
|
|||
/* Delete it from the common reclaim list */
|
||||
list_del_init(&qd->qd_reclaim);
|
||||
atomic_dec(&qd_lru_count);
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
kmem_cache_free(gfs2_quotad_cachep, qd);
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
nr_to_scan--;
|
||||
freed++;
|
||||
}
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
return freed;
|
||||
}
|
||||
|
||||
|
|
@ -179,7 +179,7 @@ static int qd_get(struct gfs2_sbd *sdp, struct kqid qid,
|
|||
|
||||
for (;;) {
|
||||
found = 0;
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
list_for_each_entry(qd, &sdp->sd_quota_list, qd_list) {
|
||||
if (qid_eq(qd->qd_id, qid)) {
|
||||
lockref_get(&qd->qd_lockref);
|
||||
|
|
@ -203,7 +203,7 @@ static int qd_get(struct gfs2_sbd *sdp, struct kqid qid,
|
|||
new_qd = NULL;
|
||||
}
|
||||
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (qd) {
|
||||
if (new_qd) {
|
||||
|
|
@ -229,7 +229,7 @@ static void qd_hold(struct gfs2_quota_data *qd)
|
|||
|
||||
static void qd_put(struct gfs2_quota_data *qd)
|
||||
{
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
|
||||
if (!lockref_put_or_lock(&qd->qd_lockref)) {
|
||||
|
||||
|
|
@ -240,7 +240,7 @@ static void qd_put(struct gfs2_quota_data *qd)
|
|||
spin_unlock(&qd->qd_lockref.lock);
|
||||
}
|
||||
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
}
|
||||
|
||||
static int slot_get(struct gfs2_quota_data *qd)
|
||||
|
|
@ -249,10 +249,10 @@ static int slot_get(struct gfs2_quota_data *qd)
|
|||
unsigned int c, o = 0, b;
|
||||
unsigned char byte = 0;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
|
||||
if (qd->qd_slot_count++) {
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -276,13 +276,13 @@ found:
|
|||
|
||||
sdp->sd_quota_bitmap[c][o] |= 1 << b;
|
||||
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
qd->qd_slot_count--;
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
return -ENOSPC;
|
||||
}
|
||||
|
||||
|
|
@ -290,10 +290,10 @@ static void slot_hold(struct gfs2_quota_data *qd)
|
|||
{
|
||||
struct gfs2_sbd *sdp = qd->qd_gl->gl_sbd;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
gfs2_assert(sdp, qd->qd_slot_count);
|
||||
qd->qd_slot_count++;
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
}
|
||||
|
||||
static void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
|
||||
|
|
@ -320,13 +320,13 @@ static void slot_put(struct gfs2_quota_data *qd)
|
|||
{
|
||||
struct gfs2_sbd *sdp = qd->qd_gl->gl_sbd;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
gfs2_assert(sdp, qd->qd_slot_count);
|
||||
if (!--qd->qd_slot_count) {
|
||||
gfs2_icbit_munge(sdp, sdp->sd_quota_bitmap, qd->qd_slot, 0);
|
||||
qd->qd_slot = -1;
|
||||
}
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
}
|
||||
|
||||
static int bh_get(struct gfs2_quota_data *qd)
|
||||
|
|
@ -420,7 +420,7 @@ static int qd_fish(struct gfs2_sbd *sdp, struct gfs2_quota_data **qdp)
|
|||
if (sdp->sd_vfs->s_flags & MS_RDONLY)
|
||||
return 0;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
|
||||
list_for_each_entry(qd, &sdp->sd_quota_list, qd_list) {
|
||||
found = qd_check_sync(sdp, qd, &sdp->sd_quota_sync_gen);
|
||||
|
|
@ -431,7 +431,7 @@ static int qd_fish(struct gfs2_sbd *sdp, struct gfs2_quota_data **qdp)
|
|||
if (!found)
|
||||
qd = NULL;
|
||||
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (qd) {
|
||||
gfs2_assert_warn(sdp, qd->qd_change_sync);
|
||||
|
|
@ -598,9 +598,9 @@ static void do_qc(struct gfs2_quota_data *qd, s64 change)
|
|||
x = be64_to_cpu(qc->qc_change) + change;
|
||||
qc->qc_change = cpu_to_be64(x);
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
qd->qd_change = x;
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (!x) {
|
||||
gfs2_assert_warn(sdp, test_bit(QDF_CHANGE, &qd->qd_flags));
|
||||
|
|
@ -972,9 +972,9 @@ static int need_sync(struct gfs2_quota_data *qd)
|
|||
if (!qd->qd_qb.qb_limit)
|
||||
return 0;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
value = qd->qd_change;
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
spin_lock(>->gt_spin);
|
||||
num = gt->gt_quota_scale_num;
|
||||
|
|
@ -1019,9 +1019,9 @@ void gfs2_quota_unlock(struct gfs2_inode *ip)
|
|||
if (!sync)
|
||||
continue;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
found = qd_check_sync(sdp, qd, NULL);
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (!found)
|
||||
continue;
|
||||
|
|
@ -1083,9 +1083,9 @@ int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)
|
|||
continue;
|
||||
|
||||
value = (s64)be64_to_cpu(qd->qd_qb.qb_value);
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
value += qd->qd_change;
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (be64_to_cpu(qd->qd_qb.qb_limit) && (s64)be64_to_cpu(qd->qd_qb.qb_limit) < value) {
|
||||
print_message(qd, "exceeded");
|
||||
|
|
@ -1276,11 +1276,11 @@ int gfs2_quota_init(struct gfs2_sbd *sdp)
|
|||
qd->qd_slot = slot;
|
||||
qd->qd_slot_count = 1;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
gfs2_icbit_munge(sdp, sdp->sd_quota_bitmap, slot, 1);
|
||||
list_add(&qd->qd_list, &sdp->sd_quota_list);
|
||||
atomic_inc(&sdp->sd_quota_count);
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
found++;
|
||||
}
|
||||
|
|
@ -1306,7 +1306,7 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
|
|||
struct gfs2_quota_data *qd;
|
||||
unsigned int x;
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
while (!list_empty(head)) {
|
||||
qd = list_entry(head->prev, struct gfs2_quota_data, qd_list);
|
||||
|
||||
|
|
@ -1320,9 +1320,9 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
|
|||
(qd->qd_lockref.count && !test_bit(QDF_CHANGE, &qd->qd_flags))) {
|
||||
spin_unlock(&qd->qd_lockref.lock);
|
||||
list_move(&qd->qd_list, head);
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
schedule();
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
continue;
|
||||
}
|
||||
spin_unlock(&qd->qd_lockref.lock);
|
||||
|
|
@ -1334,7 +1334,7 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
|
|||
atomic_dec(&qd_lru_count);
|
||||
}
|
||||
atomic_dec(&sdp->sd_quota_count);
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
if (!qd->qd_lockref.count) {
|
||||
gfs2_assert_warn(sdp, !qd->qd_change);
|
||||
|
|
@ -1346,9 +1346,9 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
|
|||
gfs2_glock_put(qd->qd_gl);
|
||||
kmem_cache_free(gfs2_quotad_cachep, qd);
|
||||
|
||||
spin_lock(&qd_lru_lock);
|
||||
spin_lock(&qd_lock);
|
||||
}
|
||||
spin_unlock(&qd_lru_lock);
|
||||
spin_unlock(&qd_lock);
|
||||
|
||||
gfs2_assert_warn(sdp, !atomic_read(&sdp->sd_quota_count));
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue