+// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
#include "btree_update.h"
+#include "errcode.h"
#include "inode.h"
#include "quota.h"
+#include "subvolume.h"
#include "super-io.h"
-static const char *bch2_sb_validate_quota(struct bch_sb *sb,
- struct bch_sb_field *f)
+static const char * const bch2_quota_types[] = {
+ "user",
+ "group",
+ "project",
+};
+
+static const char * const bch2_quota_counters[] = {
+ "space",
+ "inodes",
+};
+
+static int bch2_sb_quota_validate(struct bch_sb *sb, struct bch_sb_field *f,
+ struct printbuf *err)
+{
+ struct bch_sb_field_quota *q = field_to_type(f, quota);
+
+ if (vstruct_bytes(&q->field) < sizeof(*q)) {
+ prt_printf(err, "wrong size (got %zu should be %zu)",
+ vstruct_bytes(&q->field), sizeof(*q));
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void bch2_sb_quota_to_text(struct printbuf *out, struct bch_sb *sb,
+ struct bch_sb_field *f)
{
struct bch_sb_field_quota *q = field_to_type(f, quota);
+ unsigned qtyp, counter;
- if (vstruct_bytes(&q->field) != sizeof(*q))
- return "invalid field quota: wrong size";
+ for (qtyp = 0; qtyp < ARRAY_SIZE(q->q); qtyp++) {
+ prt_printf(out, "%s: flags %llx",
+ bch2_quota_types[qtyp],
+ le64_to_cpu(q->q[qtyp].flags));
- return NULL;
+ for (counter = 0; counter < Q_COUNTERS; counter++)
+ 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));
+
+ prt_newline(out);
+ }
}
const struct bch_sb_field_ops bch_sb_field_ops_quota = {
- .validate = bch2_sb_validate_quota,
+ .validate = bch2_sb_quota_validate,
+ .to_text = bch2_sb_quota_to_text,
};
-const char *bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k)
+int bch2_quota_invalid(const struct bch_fs *c, struct bkey_s_c k,
+ int rw, struct printbuf *err)
{
- if (k.k->p.inode >= QTYP_NR)
- return "invalid quota type";
+ if (k.k->p.inode >= QTYP_NR) {
+ prt_printf(err, "invalid quota type (%llu >= %u)",
+ k.k->p.inode, QTYP_NR);
+ return -EINVAL;
+ }
- if (bkey_val_bytes(k.k) != sizeof(struct bch_quota))
- return "incorrect value size";
+ if (bkey_val_bytes(k.k) != sizeof(struct bch_quota)) {
+ prt_printf(err, "incorrect value size (%zu != %zu)",
+ bkey_val_bytes(k.k), sizeof(struct bch_quota));
+ return -EINVAL;
+ }
- return NULL;
+ return 0;
}
-static const char * const bch2_quota_counters[] = {
- "space",
- "inodes",
-};
-
void bch2_quota_to_text(struct printbuf *out, struct bch_fs *c,
struct bkey_s_c k)
{
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;
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,
- KEY_TYPE_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,
- KEY_TYPE_QUOTA_PREALLOC);
+ mode);
if (ret)
goto err;
}
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);
return 0;
}
-static int bch2_quota_init_type(struct bch_fs *c, enum quota_types type)
-{
- 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) {
- if (k.k->p.inode != type)
- break;
-
- ret = __bch2_quota_set(c, k);
- if (ret)
- break;
- }
-
- return bch2_btree_iter_unlock(&iter) ?: 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_get_quota(sb->sb);
+
+ if (sb_quota)
+ return sb_quota;
+
+ sb_quota = bch2_sb_resize_quota(sb, 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;
}
}
+static int bch2_fs_quota_read_inode(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bkey_s_c k)
+{
+ struct bch_fs *c = trans->c;
+ struct bch_inode_unpacked u;
+ struct bch_subvolume subvolume;
+ int ret;
+
+ ret = bch2_snapshot_get_subvol(trans, k.k->p.snapshot, &subvolume);
+ if (ret)
+ return ret;
+
+ /*
+ * We don't do quota accounting in snapshots:
+ */
+ if (BCH_SUBVOLUME_SNAP(&subvolume))
+ 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_SPC, u.bi_sectors,
+ KEY_TYPE_QUOTA_NOCHECK);
+ 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));
+ return 0;
+}
+
int bch2_fs_quota_read(struct bch_fs *c)
{
- unsigned i, qtypes = enabled_qtypes(c);
- struct bch_memquota_type *q;
+ struct bch_sb_field_quota *sb_quota;
+ struct btree_trans trans;
struct btree_iter iter;
- struct bch_inode_unpacked u;
struct bkey_s_c k;
int ret;
mutex_lock(&c->sb_lock);
+ 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_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;
- }
+ bch2_trans_init(&trans, c, 0, 0);
- for_each_btree_key(&iter, c, BTREE_ID_INODES, POS_MIN,
- BTREE_ITER_PREFETCH, k) {
- switch (k.k->type) {
- 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,
- KEY_TYPE_QUOTA_NOCHECK);
- bch2_quota_acct(c, bch_qid(&u), Q_INO, 1,
- KEY_TYPE_QUOTA_NOCHECK);
- }
- }
- return bch2_btree_iter_unlock(&iter) ?: ret;
+ ret = for_each_btree_key2(&trans, iter, BTREE_ID_quotas,
+ POS_MIN, BTREE_ITER_PREFETCH, k,
+ __bch2_quota_set(c, k)) ?:
+ for_each_btree_key2(&trans, iter, BTREE_ID_inodes,
+ POS_MIN, BTREE_ITER_PREFETCH|BTREE_ITER_ALL_SNAPSHOTS, k,
+ bch2_fs_quota_read_inode(&trans, &iter, k));
+ if (ret)
+ bch_err(c, "err in quota_read: %s", bch2_err_str(ret));
+
+ bch2_trans_exit(&trans);
+ 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 & MS_RDONLY)
+ if (sb->s_flags & SB_RDONLY)
return -EROFS;
/* Accounting must be enabled at mount time: */
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)
{
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);
+ 0, NULL);
if (ret)
return ret;
}
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);
+ 0, NULL);
if (ret)
return ret;
}
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);
+ 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 (sb->s_flags & MS_RDONLY)
+ 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;
if (type >= QTYP_NR)
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: */
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 KEY_TYPE_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 (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;
+
+ 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;
}
projects / bcachefs-tools-debian / blobdiff