+// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
#include "btree_update.h"
#include "inode.h"
const char *bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k)
{
- struct bkey_s_c_quota dq;
-
if (k.k->p.inode >= QTYP_NR)
return "invalid quota type";
- switch (k.k->type) {
- case BCH_QUOTA: {
- dq = bkey_s_c_to_quota(k);
-
- if (bkey_val_bytes(k.k) != sizeof(struct bch_quota))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_quota))
+ return "incorrect value size";
- return NULL;
- }
- default:
- return "invalid type";
- }
+ return NULL;
}
static const char * const bch2_quota_counters[] = {
void bch2_quota_to_text(struct printbuf *out, struct bch_fs *c,
struct bkey_s_c k)
{
- struct bkey_s_c_quota dq;
+ struct bkey_s_c_quota dq = bkey_s_c_to_quota(k);
unsigned i;
- switch (k.k->type) {
- case BCH_QUOTA:
- dq = bkey_s_c_to_quota(k);
-
- for (i = 0; i < Q_COUNTERS; i++)
- pr_buf(out, "%s hardlimit %llu softlimit %llu",
- bch2_quota_counters[i],
- le64_to_cpu(dq.v->c[i].hardlimit),
- le64_to_cpu(dq.v->c[i].softlimit));
- break;
- }
+ for (i = 0; i < Q_COUNTERS; i++)
+ pr_buf(out, "%s hardlimit %llu softlimit %llu",
+ bch2_quota_counters[i],
+ le64_to_cpu(dq.v->c[i].hardlimit),
+ le64_to_cpu(dq.v->c[i].softlimit));
}
#ifdef CONFIG_BCACHEFS_QUOTA
BUG_ON((s64) n < 0);
- if (mode == BCH_QUOTA_NOCHECK)
+ if (mode == KEY_TYPE_QUOTA_NOCHECK)
return 0;
if (v <= 0) {
if (qc->hardlimit &&
qc->hardlimit < n &&
!ignore_hardlimit(q)) {
- if (mode == BCH_QUOTA_PREALLOC)
+ if (mode == KEY_TYPE_QUOTA_PREALLOC)
return -EDQUOT;
prepare_warning(qc, qtype, counter, msgs, HARDWARN);
qc->timer &&
ktime_get_real_seconds() >= qc->timer &&
!ignore_hardlimit(q)) {
- if (mode == BCH_QUOTA_PREALLOC)
+ if (mode == KEY_TYPE_QUOTA_PREALLOC)
return -EDQUOT;
prepare_warning(qc, qtype, counter, msgs, SOFTLONGWARN);
if (qc->softlimit &&
qc->softlimit < n &&
qc->timer == 0) {
- if (mode == BCH_QUOTA_PREALLOC)
+ if (mode == KEY_TYPE_QUOTA_PREALLOC)
return -EDQUOT;
prepare_warning(qc, qtype, counter, msgs, SOFTWARN);
int bch2_quota_transfer(struct bch_fs *c, unsigned qtypes,
struct bch_qid dst,
- struct bch_qid src, u64 space)
+ struct bch_qid src, u64 space,
+ enum quota_acct_mode mode)
{
struct bch_memquota_type *q;
struct bch_memquota *src_q[3], *dst_q[3];
ret = bch2_quota_check_limit(c, i, dst_q[i], &msgs, Q_SPC,
dst_q[i]->c[Q_SPC].v + space,
- BCH_QUOTA_PREALLOC);
+ mode);
if (ret)
goto err;
ret = bch2_quota_check_limit(c, i, dst_q[i], &msgs, Q_INO,
dst_q[i]->c[Q_INO].v + 1,
- BCH_QUOTA_PREALLOC);
+ mode);
if (ret)
goto err;
}
BUG_ON(k.k->p.inode >= QTYP_NR);
switch (k.k->type) {
- case BCH_QUOTA:
+ case KEY_TYPE_quota:
dq = bkey_s_c_to_quota(k);
q = &c->quotas[k.k->p.inode];
static int bch2_quota_init_type(struct bch_fs *c, enum quota_types type)
{
+ struct btree_trans trans;
struct btree_iter iter;
struct bkey_s_c k;
int ret = 0;
- for_each_btree_key(&iter, c, BTREE_ID_QUOTAS, POS(type, 0),
- BTREE_ITER_PREFETCH, k) {
+ bch2_trans_init(&trans, c, 0, 0);
+
+ for_each_btree_key(&trans, iter, BTREE_ID_quotas, POS(type, 0),
+ BTREE_ITER_PREFETCH, k, ret) {
if (k.k->p.inode != type)
break;
if (ret)
break;
}
+ bch2_trans_iter_exit(&trans, &iter);
- return bch2_btree_iter_unlock(&iter) ?: ret;
+ return bch2_trans_exit(&trans) ?: ret;
}
void bch2_fs_quota_exit(struct bch_fs *c)
{
unsigned i, qtypes = enabled_qtypes(c);
struct bch_memquota_type *q;
+ struct btree_trans trans;
struct btree_iter iter;
struct bch_inode_unpacked u;
struct bkey_s_c k;
return ret;
}
- for_each_btree_key(&iter, c, BTREE_ID_INODES, POS_MIN,
- BTREE_ITER_PREFETCH, k) {
+ bch2_trans_init(&trans, c, 0, 0);
+
+ for_each_btree_key(&trans, iter, BTREE_ID_inodes, POS_MIN,
+ BTREE_ITER_PREFETCH, k, ret) {
switch (k.k->type) {
- case BCH_INODE_FS:
+ case KEY_TYPE_inode:
ret = bch2_inode_unpack(bkey_s_c_to_inode(k), &u);
if (ret)
return ret;
bch2_quota_acct(c, bch_qid(&u), Q_SPC, u.bi_sectors,
- BCH_QUOTA_NOCHECK);
+ KEY_TYPE_QUOTA_NOCHECK);
bch2_quota_acct(c, bch_qid(&u), Q_INO, 1,
- BCH_QUOTA_NOCHECK);
+ KEY_TYPE_QUOTA_NOCHECK);
}
}
- return bch2_btree_iter_unlock(&iter) ?: ret;
+ bch2_trans_iter_exit(&trans, &iter);
+
+ return bch2_trans_exit(&trans) ?: ret;
}
/* Enable/disable/delete quotas for an entire filesystem: */
{
struct bch_fs *c = sb->s_fs_info;
- if (sb->s_flags & MS_RDONLY)
+ if (sb->s_flags & SB_RDONLY)
return -EROFS;
/* Accounting must be enabled at mount time: */
{
struct bch_fs *c = sb->s_fs_info;
- if (sb->s_flags & MS_RDONLY)
+ if (sb->s_flags & SB_RDONLY)
return -EROFS;
mutex_lock(&c->sb_lock);
struct bch_fs *c = sb->s_fs_info;
int ret;
- if (sb->s_flags & MS_RDONLY)
+ if (sb->s_flags & SB_RDONLY)
return -EROFS;
if (uflags & FS_USER_QUOTA) {
if (c->opts.usrquota)
return -EINVAL;
- ret = bch2_btree_delete_range(c, BTREE_ID_QUOTAS,
+ ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_USR, 0),
POS(QTYP_USR + 1, 0),
NULL);
if (c->opts.grpquota)
return -EINVAL;
- ret = bch2_btree_delete_range(c, BTREE_ID_QUOTAS,
+ ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_GRP, 0),
POS(QTYP_GRP + 1, 0),
NULL);
if (c->opts.prjquota)
return -EINVAL;
- ret = bch2_btree_delete_range(c, BTREE_ID_QUOTAS,
+ ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_PRJ, 0),
POS(QTYP_PRJ + 1, 0),
NULL);
struct bch_sb_field_quota *sb_quota;
struct bch_memquota_type *q;
- if (sb->s_flags & MS_RDONLY)
+ if (sb->s_flags & SB_RDONLY)
return -EROFS;
if (type >= QTYP_NR)
struct bch_fs *c = sb->s_fs_info;
struct bch_memquota_type *q = &c->quotas[kqid->type];
qid_t qid = from_kqid(&init_user_ns, *kqid);
- struct genradix_iter iter = genradix_iter_init(&q->table, qid);
+ struct genradix_iter iter;
struct bch_memquota *mq;
int ret = 0;
mutex_lock(&q->lock);
- while ((mq = genradix_iter_peek(&iter, &q->table))) {
+ genradix_for_each_from(&q->table, iter, mq, qid)
if (memcmp(mq, page_address(ZERO_PAGE(0)), sizeof(*mq))) {
__bch2_quota_get(qdq, mq);
*kqid = make_kqid(current_user_ns(), kqid->type, iter.pos);
goto found;
}
- genradix_iter_advance(&iter, &q->table);
- }
-
ret = -ENOENT;
found:
mutex_unlock(&q->lock);
return ret;
}
-static int bch2_set_quota(struct super_block *sb, struct kqid qid,
- struct qc_dqblk *qdq)
+static int bch2_set_quota_trans(struct btree_trans *trans,
+ struct bkey_i_quota *new_quota,
+ struct qc_dqblk *qdq)
{
- struct bch_fs *c = sb->s_fs_info;
struct btree_iter iter;
struct bkey_s_c k;
- struct bkey_i_quota new_quota;
int ret;
- if (sb->s_flags & MS_RDONLY)
- return -EROFS;
-
- bkey_quota_init(&new_quota.k_i);
- new_quota.k.p = POS(qid.type, from_kqid(&init_user_ns, qid));
-
- bch2_btree_iter_init(&iter, c, BTREE_ID_QUOTAS, new_quota.k.p,
+ bch2_trans_iter_init(trans, &iter, BTREE_ID_quotas, new_quota->k.p,
BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
k = bch2_btree_iter_peek_slot(&iter);
- ret = btree_iter_err(k);
+ ret = bkey_err(k);
if (unlikely(ret))
return ret;
- switch (k.k->type) {
- case BCH_QUOTA:
- new_quota.v = *bkey_s_c_to_quota(k).v;
- break;
- }
+ if (k.k->type == KEY_TYPE_quota)
+ new_quota->v = *bkey_s_c_to_quota(k).v;
if (qdq->d_fieldmask & QC_SPC_SOFT)
- new_quota.v.c[Q_SPC].softlimit = cpu_to_le64(qdq->d_spc_softlimit >> 9);
+ new_quota->v.c[Q_SPC].softlimit = cpu_to_le64(qdq->d_spc_softlimit >> 9);
if (qdq->d_fieldmask & QC_SPC_HARD)
- new_quota.v.c[Q_SPC].hardlimit = cpu_to_le64(qdq->d_spc_hardlimit >> 9);
+ new_quota->v.c[Q_SPC].hardlimit = cpu_to_le64(qdq->d_spc_hardlimit >> 9);
if (qdq->d_fieldmask & QC_INO_SOFT)
- new_quota.v.c[Q_INO].softlimit = cpu_to_le64(qdq->d_ino_softlimit);
+ new_quota->v.c[Q_INO].softlimit = cpu_to_le64(qdq->d_ino_softlimit);
if (qdq->d_fieldmask & QC_INO_HARD)
- new_quota.v.c[Q_INO].hardlimit = cpu_to_le64(qdq->d_ino_hardlimit);
+ new_quota->v.c[Q_INO].hardlimit = cpu_to_le64(qdq->d_ino_hardlimit);
- ret = bch2_btree_insert_at(c, NULL, NULL, 0,
- BTREE_INSERT_ENTRY(&iter, &new_quota.k_i));
- bch2_btree_iter_unlock(&iter);
+ ret = bch2_trans_update(trans, &iter, &new_quota->k_i, 0);
+ bch2_trans_iter_exit(trans, &iter);
+ return ret;
+}
- if (ret)
- return ret;
+static int bch2_set_quota(struct super_block *sb, struct kqid qid,
+ struct qc_dqblk *qdq)
+{
+ struct bch_fs *c = sb->s_fs_info;
+ struct bkey_i_quota new_quota;
+ int ret;
+
+ if (sb->s_flags & SB_RDONLY)
+ return -EROFS;
+
+ bkey_quota_init(&new_quota.k_i);
+ new_quota.k.p = POS(qid.type, from_kqid(&init_user_ns, qid));
- ret = __bch2_quota_set(c, bkey_i_to_s_c(&new_quota.k_i));
+ ret = bch2_trans_do(c, NULL, NULL, 0,
+ bch2_set_quota_trans(&trans, &new_quota, qdq)) ?:
+ __bch2_quota_set(c, bkey_i_to_s_c(&new_quota.k_i));
return ret;
}