// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
#include "btree_update.h"
+#include "errcode.h"
+#include "error.h"
#include "inode.h"
#include "quota.h"
-#include "subvolume.h"
+#include "snapshot.h"
#include "super-io.h"
static const char * const bch2_quota_types[] = {
struct bch_sb_field_quota *q = field_to_type(f, quota);
if (vstruct_bytes(&q->field) < sizeof(*q)) {
- pr_buf(err, "wrong size (got %zu should be %zu)",
+ prt_printf(err, "wrong size (got %zu should be %zu)",
vstruct_bytes(&q->field), sizeof(*q));
- return -EINVAL;
+ return -BCH_ERR_invalid_sb_quota;
}
return 0;
unsigned qtyp, counter;
for (qtyp = 0; qtyp < ARRAY_SIZE(q->q); qtyp++) {
- pr_buf(out, "%s: flags %llx",
+ prt_printf(out, "%s: flags %llx",
bch2_quota_types[qtyp],
le64_to_cpu(q->q[qtyp].flags));
for (counter = 0; counter < Q_COUNTERS; counter++)
- pr_buf(out, " %s timelimit %u warnlimit %u",
+ prt_printf(out, " %s timelimit %u warnlimit %u",
bch2_quota_counters[counter],
le32_to_cpu(q->q[qtyp].c[counter].timelimit),
le32_to_cpu(q->q[qtyp].c[counter].warnlimit));
- pr_newline(out);
+ prt_newline(out);
}
}
.to_text = bch2_sb_quota_to_text,
};
-int bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k,
- int rw, struct printbuf *err)
+int bch2_quota_invalid(struct bch_fs *c, struct bkey_s_c k,
+ enum bkey_invalid_flags flags,
+ struct printbuf *err)
{
- if (k.k->p.inode >= QTYP_NR) {
- pr_buf(err, "invalid quota type (%llu >= %u)",
- k.k->p.inode, QTYP_NR);
- return -EINVAL;
- }
-
- if (bkey_val_bytes(k.k) != sizeof(struct bch_quota)) {
- pr_buf(err, "incorrect value size (%zu != %zu)",
- bkey_val_bytes(k.k), sizeof(struct bch_quota));
- return -EINVAL;
- }
+ int ret = 0;
- return 0;
+ bkey_fsck_err_on(k.k->p.inode >= QTYP_NR, c, err,
+ quota_type_invalid,
+ "invalid quota type (%llu >= %u)",
+ k.k->p.inode, QTYP_NR);
+fsck_err:
+ return ret;
}
void bch2_quota_to_text(struct printbuf *out, struct bch_fs *c,
unsigned i;
for (i = 0; i < Q_COUNTERS; i++)
- pr_buf(out, "%s hardlimit %llu softlimit %llu",
+ prt_printf(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));
#include <linux/fs.h>
#include <linux/quota.h>
+static void qc_info_to_text(struct printbuf *out, struct qc_info *i)
+{
+ printbuf_tabstops_reset(out);
+ printbuf_tabstop_push(out, 20);
+
+ prt_str(out, "i_fieldmask");
+ prt_tab(out);
+ prt_printf(out, "%x", i->i_fieldmask);
+ prt_newline(out);
+
+ prt_str(out, "i_flags");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_flags);
+ prt_newline(out);
+
+ prt_str(out, "i_spc_timelimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_spc_timelimit);
+ prt_newline(out);
+
+ prt_str(out, "i_ino_timelimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_ino_timelimit);
+ prt_newline(out);
+
+ prt_str(out, "i_rt_spc_timelimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_rt_spc_timelimit);
+ prt_newline(out);
+
+ prt_str(out, "i_spc_warnlimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_spc_warnlimit);
+ prt_newline(out);
+
+ prt_str(out, "i_ino_warnlimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_ino_warnlimit);
+ prt_newline(out);
+
+ prt_str(out, "i_rt_spc_warnlimit");
+ prt_tab(out);
+ prt_printf(out, "%u", i->i_rt_spc_warnlimit);
+ prt_newline(out);
+}
+
+static void qc_dqblk_to_text(struct printbuf *out, struct qc_dqblk *q)
+{
+ printbuf_tabstops_reset(out);
+ printbuf_tabstop_push(out, 20);
+
+ prt_str(out, "d_fieldmask");
+ prt_tab(out);
+ prt_printf(out, "%x", q->d_fieldmask);
+ prt_newline(out);
+
+ prt_str(out, "d_spc_hardlimit");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_spc_hardlimit);
+ prt_newline(out);
+
+ prt_str(out, "d_spc_softlimit");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_spc_softlimit);
+ prt_newline(out);
+
+ prt_str(out, "d_ino_hardlimit");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_ino_hardlimit);
+ prt_newline(out);
+
+ prt_str(out, "d_ino_softlimit");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_ino_softlimit);
+ prt_newline(out);
+
+ prt_str(out, "d_space");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_space);
+ prt_newline(out);
+
+ prt_str(out, "d_ino_count");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_ino_count);
+ prt_newline(out);
+
+ prt_str(out, "d_ino_timer");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_ino_timer);
+ prt_newline(out);
+
+ prt_str(out, "d_spc_timer");
+ prt_tab(out);
+ prt_printf(out, "%llu", q->d_spc_timer);
+ prt_newline(out);
+
+ prt_str(out, "d_ino_warns");
+ prt_tab(out);
+ prt_printf(out, "%i", q->d_ino_warns);
+ prt_newline(out);
+
+ prt_str(out, "d_spc_warns");
+ prt_tab(out);
+ prt_printf(out, "%i", q->d_spc_warns);
+ prt_newline(out);
+}
+
static inline unsigned __next_qtype(unsigned i, unsigned qtypes)
{
qtypes >>= i;
if (qc->hardlimit &&
qc->hardlimit < n &&
!ignore_hardlimit(q)) {
- if (mode == KEY_TYPE_QUOTA_PREALLOC)
- return -EDQUOT;
-
prepare_warning(qc, qtype, counter, msgs, HARDWARN);
+ return -EDQUOT;
}
if (qc->softlimit &&
- qc->softlimit < n &&
- qc->timer &&
- ktime_get_real_seconds() >= qc->timer &&
- !ignore_hardlimit(q)) {
- if (mode == KEY_TYPE_QUOTA_PREALLOC)
+ qc->softlimit < n) {
+ if (qc->timer == 0) {
+ qc->timer = ktime_get_real_seconds() + q->limits[counter].timelimit;
+ prepare_warning(qc, qtype, counter, msgs, SOFTWARN);
+ } else if (ktime_get_real_seconds() >= qc->timer &&
+ !ignore_hardlimit(q)) {
+ prepare_warning(qc, qtype, counter, msgs, SOFTLONGWARN);
return -EDQUOT;
-
- prepare_warning(qc, qtype, counter, msgs, SOFTLONGWARN);
- }
-
- if (qc->softlimit &&
- qc->softlimit < n &&
- qc->timer == 0) {
- if (mode == KEY_TYPE_QUOTA_PREALLOC)
- return -EDQUOT;
-
- prepare_warning(qc, qtype, counter, msgs, SOFTWARN);
-
- /* XXX is this the right one? */
- qc->timer = ktime_get_real_seconds() +
- q->limits[counter].warnlimit;
+ }
}
return 0;
memset(&msgs, 0, sizeof(msgs));
+ for_each_set_qtype(c, i, q, qtypes) {
+ mq[i] = genradix_ptr_alloc(&q->table, qid.q[i], GFP_KERNEL);
+ if (!mq[i])
+ return -ENOMEM;
+ }
+
for_each_set_qtype(c, i, q, qtypes)
mutex_lock_nested(&q->lock, i);
for_each_set_qtype(c, i, q, qtypes) {
- mq[i] = genradix_ptr_alloc(&q->table, qid.q[i], GFP_NOFS);
- if (!mq[i]) {
- ret = -ENOMEM;
- goto err;
- }
-
ret = bch2_quota_check_limit(c, i, mq[i], &msgs, counter, v, mode);
if (ret)
goto err;
memset(&msgs, 0, sizeof(msgs));
+ for_each_set_qtype(c, i, q, qtypes) {
+ src_q[i] = genradix_ptr_alloc(&q->table, src.q[i], GFP_KERNEL);
+ dst_q[i] = genradix_ptr_alloc(&q->table, dst.q[i], GFP_KERNEL);
+ if (!src_q[i] || !dst_q[i])
+ return -ENOMEM;
+ }
+
for_each_set_qtype(c, i, q, qtypes)
mutex_lock_nested(&q->lock, i);
for_each_set_qtype(c, i, q, qtypes) {
- src_q[i] = genradix_ptr_alloc(&q->table, src.q[i], GFP_NOFS);
- dst_q[i] = genradix_ptr_alloc(&q->table, dst.q[i], GFP_NOFS);
-
- if (!src_q[i] || !dst_q[i]) {
- ret = -ENOMEM;
- goto err;
- }
-
ret = bch2_quota_check_limit(c, i, dst_q[i], &msgs, Q_SPC,
dst_q[i]->c[Q_SPC].v + space,
mode);
return ret;
}
-static int __bch2_quota_set(struct bch_fs *c, struct bkey_s_c k)
+static int __bch2_quota_set(struct bch_fs *c, struct bkey_s_c k,
+ struct qc_dqblk *qdq)
{
struct bkey_s_c_quota dq;
struct bch_memquota_type *q;
BUG_ON(k.k->p.inode >= QTYP_NR);
+ if (!((1U << k.k->p.inode) & enabled_qtypes(c)))
+ return 0;
+
switch (k.k->type) {
case KEY_TYPE_quota:
dq = bkey_s_c_to_quota(k);
mq->c[i].softlimit = le64_to_cpu(dq.v->c[i].softlimit);
}
+ if (qdq && qdq->d_fieldmask & QC_SPC_TIMER)
+ mq->c[Q_SPC].timer = qdq->d_spc_timer;
+ if (qdq && qdq->d_fieldmask & QC_SPC_WARNS)
+ mq->c[Q_SPC].warns = qdq->d_spc_warns;
+ if (qdq && qdq->d_fieldmask & QC_INO_TIMER)
+ mq->c[Q_INO].timer = qdq->d_ino_timer;
+ if (qdq && qdq->d_fieldmask & QC_INO_WARNS)
+ mq->c[Q_INO].warns = qdq->d_ino_warns;
+
mutex_unlock(&q->lock);
}
return 0;
}
-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;
-
- 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;
-
- ret = __bch2_quota_set(c, k);
- if (ret)
- break;
- }
- bch2_trans_iter_exit(&trans, &iter);
-
- bch2_trans_exit(&trans);
- return ret;
-}
-
void bch2_fs_quota_exit(struct bch_fs *c)
{
unsigned i;
mutex_init(&c->quotas[i].lock);
}
+static struct bch_sb_field_quota *bch2_sb_get_or_create_quota(struct bch_sb_handle *sb)
+{
+ struct bch_sb_field_quota *sb_quota = bch2_sb_field_get(sb->sb, quota);
+
+ if (sb_quota)
+ return sb_quota;
+
+ sb_quota = bch2_sb_field_resize(sb, quota, sizeof(*sb_quota) / sizeof(u64));
+ if (sb_quota) {
+ unsigned qtype, qc;
+
+ for (qtype = 0; qtype < QTYP_NR; qtype++)
+ for (qc = 0; qc < Q_COUNTERS; qc++)
+ sb_quota->q[qtype].c[qc].timelimit =
+ cpu_to_le32(7 * 24 * 60 * 60);
+ }
+
+ return sb_quota;
+}
+
static void bch2_sb_quota_read(struct bch_fs *c)
{
struct bch_sb_field_quota *sb_quota;
unsigned i, j;
- sb_quota = bch2_sb_get_quota(c->disk_sb.sb);
+ sb_quota = bch2_sb_field_get(c->disk_sb.sb, quota);
if (!sb_quota)
return;
}
static int bch2_fs_quota_read_inode(struct btree_trans *trans,
- struct btree_iter *iter)
+ struct btree_iter *iter,
+ struct bkey_s_c k)
{
struct bch_fs *c = trans->c;
struct bch_inode_unpacked u;
- struct bch_subvolume subvolume;
- struct bkey_s_c k;
+ struct bch_snapshot_tree s_t;
int ret;
- k = bch2_btree_iter_peek(iter);
- ret = bkey_err(k);
+ ret = bch2_snapshot_tree_lookup(trans,
+ bch2_snapshot_tree(c, k.k->p.snapshot), &s_t);
+ bch2_fs_inconsistent_on(bch2_err_matches(ret, ENOENT), c,
+ "%s: snapshot tree %u not found", __func__,
+ snapshot_t(c, k.k->p.snapshot)->tree);
if (ret)
return ret;
- if (!k.k)
- return 1;
-
- ret = bch2_snapshot_get_subvol(trans, k.k->p.snapshot, &subvolume);
- if (ret)
- return ret;
+ if (!s_t.master_subvol)
+ goto advance;
+ ret = bch2_inode_find_by_inum_nowarn_trans(trans,
+ (subvol_inum) {
+ le32_to_cpu(s_t.master_subvol),
+ k.k->p.offset,
+ }, &u);
/*
- * We don't do quota accounting in snapshots:
+ * Inode might be deleted in this snapshot - the easiest way to handle
+ * that is to just skip it here:
*/
- if (BCH_SUBVOLUME_SNAP(&subvolume))
+ if (bch2_err_matches(ret, ENOENT))
goto advance;
- if (!bkey_is_inode(k.k))
- goto advance;
-
- ret = bch2_inode_unpack(k, &u);
if (ret)
return ret;
bch2_quota_acct(c, bch_qid(&u), Q_INO, 1,
KEY_TYPE_QUOTA_NOCHECK);
advance:
- bch2_btree_iter_set_pos(iter, POS(iter->pos.inode, iter->pos.offset + 1));
+ bch2_btree_iter_set_pos(iter, bpos_nosnap_successor(iter->pos));
return 0;
}
int bch2_fs_quota_read(struct bch_fs *c)
{
- unsigned i, qtypes = enabled_qtypes(c);
- struct bch_memquota_type *q;
- struct btree_trans trans;
- struct btree_iter iter;
- int ret;
mutex_lock(&c->sb_lock);
- bch2_sb_quota_read(c);
- mutex_unlock(&c->sb_lock);
-
- for_each_set_qtype(c, i, q, qtypes) {
- ret = bch2_quota_init_type(c, i);
- if (ret)
- return ret;
+ struct bch_sb_field_quota *sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
+ if (!sb_quota) {
+ mutex_unlock(&c->sb_lock);
+ return -BCH_ERR_ENOSPC_sb_quota;
}
- bch2_trans_init(&trans, c, 0, 0);
-
- bch2_trans_iter_init(&trans, &iter, BTREE_ID_inodes, POS_MIN,
- BTREE_ITER_INTENT|
- BTREE_ITER_PREFETCH|
- BTREE_ITER_ALL_SNAPSHOTS);
- do {
- ret = lockrestart_do(&trans,
- bch2_fs_quota_read_inode(&trans, &iter));
- } while (!ret);
- bch2_trans_iter_exit(&trans, &iter);
+ bch2_sb_quota_read(c);
+ mutex_unlock(&c->sb_lock);
- bch2_trans_exit(&trans);
- return ret < 0 ? ret : 0;
+ int ret = bch2_trans_run(c,
+ for_each_btree_key(trans, iter, BTREE_ID_quotas, POS_MIN,
+ BTREE_ITER_PREFETCH, k,
+ __bch2_quota_set(c, k, NULL)) ?:
+ for_each_btree_key(trans, iter, BTREE_ID_inodes, POS_MIN,
+ BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
+ bch2_fs_quota_read_inode(trans, &iter, k)));
+ bch_err_fn(c, ret);
+ return ret;
}
/* Enable/disable/delete quotas for an entire filesystem: */
static int bch2_quota_enable(struct super_block *sb, unsigned uflags)
{
struct bch_fs *c = sb->s_fs_info;
+ struct bch_sb_field_quota *sb_quota;
+ int ret = 0;
if (sb->s_flags & SB_RDONLY)
return -EROFS;
return -EINVAL;
mutex_lock(&c->sb_lock);
+ sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
+ if (!sb_quota) {
+ ret = -BCH_ERR_ENOSPC_sb_quota;
+ goto unlock;
+ }
+
if (uflags & FS_QUOTA_UDQ_ENFD)
SET_BCH_SB_USRQUOTA(c->disk_sb.sb, true);
SET_BCH_SB_PRJQUOTA(c->disk_sb.sb, true);
bch2_write_super(c);
+unlock:
mutex_unlock(&c->sb_lock);
- return 0;
+ return bch2_err_class(ret);
}
static int bch2_quota_disable(struct super_block *sb, unsigned uflags)
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_USR, 0),
- POS(QTYP_USR + 1, 0),
+ POS(QTYP_USR, U64_MAX),
0, NULL);
if (ret)
return ret;
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_GRP, 0),
- POS(QTYP_GRP + 1, 0),
+ POS(QTYP_GRP, U64_MAX),
0, NULL);
if (ret)
return ret;
ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
POS(QTYP_PRJ, 0),
- POS(QTYP_PRJ + 1, 0),
+ POS(QTYP_PRJ, U64_MAX),
0, NULL);
if (ret)
return ret;
{
struct bch_fs *c = sb->s_fs_info;
struct bch_sb_field_quota *sb_quota;
- struct bch_memquota_type *q;
+ int ret = 0;
+
+ if (0) {
+ struct printbuf buf = PRINTBUF;
+
+ qc_info_to_text(&buf, info);
+ pr_info("setting:\n%s", buf.buf);
+ printbuf_exit(&buf);
+ }
if (sb->s_flags & SB_RDONLY)
return -EROFS;
~(QC_SPC_TIMER|QC_INO_TIMER|QC_SPC_WARNS|QC_INO_WARNS))
return -EINVAL;
- q = &c->quotas[type];
-
mutex_lock(&c->sb_lock);
- sb_quota = bch2_sb_get_quota(c->disk_sb.sb);
+ sb_quota = bch2_sb_get_or_create_quota(&c->disk_sb);
if (!sb_quota) {
- sb_quota = bch2_sb_resize_quota(&c->disk_sb,
- sizeof(*sb_quota) / sizeof(u64));
- if (!sb_quota)
- return -ENOSPC;
+ ret = -BCH_ERR_ENOSPC_sb_quota;
+ goto unlock;
}
if (info->i_fieldmask & QC_SPC_TIMER)
bch2_sb_quota_read(c);
bch2_write_super(c);
+unlock:
mutex_unlock(&c->sb_lock);
- return 0;
+ return bch2_err_class(ret);
}
/* Get/set individual quotas: */
ret = -ENOENT;
found:
mutex_unlock(&q->lock);
- return ret;
+ return bch2_err_class(ret);
}
static int bch2_set_quota_trans(struct btree_trans *trans,
struct bkey_s_c k;
int ret;
- 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);
-
+ k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_quotas, new_quota->k.p,
+ BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
ret = bkey_err(k);
if (unlikely(ret))
return ret;
struct bkey_i_quota new_quota;
int ret;
+ if (0) {
+ struct printbuf buf = PRINTBUF;
+
+ qc_dqblk_to_text(&buf, qdq);
+ pr_info("setting:\n%s", buf.buf);
+ printbuf_exit(&buf);
+ }
+
if (sb->s_flags & SB_RDONLY)
return -EROFS;
new_quota.k.p = POS(qid.type, from_kqid(&init_user_ns, qid));
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));
+ bch2_set_quota_trans(trans, &new_quota, qdq)) ?:
+ __bch2_quota_set(c, bkey_i_to_s_c(&new_quota.k_i), qdq);
- return ret;
+ return bch2_err_class(ret);
}
const struct quotactl_ops bch2_quotactl_operations = {