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-rw-r--r--fs/btrfs/backref.c1
-rw-r--r--fs/btrfs/extent_io.c3
-rw-r--r--fs/btrfs/inode.c23
-rw-r--r--fs/btrfs/volumes.c8
-rw-r--r--fs/cifs/inode.c10
-rw-r--r--fs/efivarfs/super.c6
-rw-r--r--fs/exfat/dir.c2
-rw-r--r--fs/exfat/exfat_fs.h2
-rw-r--r--fs/exfat/file.c2
-rw-r--r--fs/exfat/nls.c8
-rw-r--r--fs/io_uring.c61
-rw-r--r--fs/nfsd/nfs4state.c20
-rw-r--r--fs/squashfs/block.c2
-rw-r--r--fs/zonefs/super.c18
14 files changed, 100 insertions, 66 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index d888e71e66b6..ea10f7bc99ab 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1461,6 +1461,7 @@ static int btrfs_find_all_roots_safe(struct btrfs_trans_handle *trans,
if (ret < 0 && ret != -ENOENT) {
ulist_free(tmp);
ulist_free(*roots);
+ *roots = NULL;
return ret;
}
node = ulist_next(tmp, &uiter);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 608f93438b29..60278e52c37a 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1999,7 +1999,8 @@ static int __process_pages_contig(struct address_space *mapping,
if (!PageDirty(pages[i]) ||
pages[i]->mapping != mapping) {
unlock_page(pages[i]);
- put_page(pages[i]);
+ for (; i < ret; i++)
+ put_page(pages[i]);
err = -EAGAIN;
goto out;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 43c803c16b48..6862cd7e21a9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8123,20 +8123,17 @@ again:
/*
* Qgroup reserved space handler
* Page here will be either
- * 1) Already written to disk
- * In this case, its reserved space is released from data rsv map
- * and will be freed by delayed_ref handler finally.
- * So even we call qgroup_free_data(), it won't decrease reserved
- * space.
- * 2) Not written to disk
- * This means the reserved space should be freed here. However,
- * if a truncate invalidates the page (by clearing PageDirty)
- * and the page is accounted for while allocating extent
- * in btrfs_check_data_free_space() we let delayed_ref to
- * free the entire extent.
+ * 1) Already written to disk or ordered extent already submitted
+ * Then its QGROUP_RESERVED bit in io_tree is already cleaned.
+ * Qgroup will be handled by its qgroup_record then.
+ * btrfs_qgroup_free_data() call will do nothing here.
+ *
+ * 2) Not written to disk yet
+ * Then btrfs_qgroup_free_data() call will clear the QGROUP_RESERVED
+ * bit of its io_tree, and free the qgroup reserved data space.
+ * Since the IO will never happen for this page.
*/
- if (PageDirty(page))
- btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);
+ btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);
if (!inode_evicting) {
clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED |
EXTENT_DELALLOC | EXTENT_DELALLOC_NEW |
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0d6e785bcb98..f403fb1e6d37 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7052,6 +7052,14 @@ int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info)
mutex_lock(&fs_info->chunk_mutex);
/*
+ * It is possible for mount and umount to race in such a way that
+ * we execute this code path, but open_fs_devices failed to clear
+ * total_rw_bytes. We certainly want it cleared before reading the
+ * device items, so clear it here.
+ */
+ fs_info->fs_devices->total_rw_bytes = 0;
+
+ /*
* Read all device items, and then all the chunk items. All
* device items are found before any chunk item (their object id
* is smaller than the lowest possible object id for a chunk
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 49c3ea8aa845..ce95801e9b66 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2044,7 +2044,6 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
- bool new_target = d_really_is_negative(target_dentry);
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -2121,13 +2120,8 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
*/
unlink_target:
- /*
- * If the target dentry was created during the rename, try
- * unlinking it if it's not negative
- */
- if (new_target &&
- d_really_is_positive(target_dentry) &&
- (rc == -EACCES || rc == -EEXIST)) {
+ /* Try unlinking the target dentry if it's not negative */
+ if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
if (d_is_dir(target_dentry))
tmprc = cifs_rmdir(target_dir, target_dentry);
else
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 12c66f5d92dd..28bb5689333a 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -201,6 +201,9 @@ static int efivarfs_fill_super(struct super_block *sb, struct fs_context *fc)
sb->s_d_op = &efivarfs_d_ops;
sb->s_time_gran = 1;
+ if (!efivar_supports_writes())
+ sb->s_flags |= SB_RDONLY;
+
inode = efivarfs_get_inode(sb, NULL, S_IFDIR | 0755, 0, true);
if (!inode)
return -ENOMEM;
@@ -252,9 +255,6 @@ static struct file_system_type efivarfs_type = {
static __init int efivarfs_init(void)
{
- if (!efi_rt_services_supported(EFI_RT_SUPPORTED_VARIABLE_SERVICES))
- return -ENODEV;
-
if (!efivars_kobject())
return -ENODEV;
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 91ece649285d..119abf0d8dd6 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -1112,7 +1112,7 @@ found:
ret = exfat_get_next_cluster(sb, &clu.dir);
}
- if (ret || clu.dir != EXFAT_EOF_CLUSTER) {
+ if (ret || clu.dir == EXFAT_EOF_CLUSTER) {
/* just initialized hint_stat */
hint_stat->clu = p_dir->dir;
hint_stat->eidx = 0;
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 7579cd3bbadb..75c7bdbeba6d 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -371,7 +371,7 @@ static inline bool exfat_is_last_sector_in_cluster(struct exfat_sb_info *sbi,
static inline sector_t exfat_cluster_to_sector(struct exfat_sb_info *sbi,
unsigned int clus)
{
- return ((clus - EXFAT_RESERVED_CLUSTERS) << sbi->sect_per_clus_bits) +
+ return ((sector_t)(clus - EXFAT_RESERVED_CLUSTERS) << sbi->sect_per_clus_bits) +
sbi->data_start_sector;
}
diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index 3b7fea465fd4..a6a063830edc 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -176,7 +176,7 @@ int __exfat_truncate(struct inode *inode, loff_t new_size)
ep2->dentry.stream.size = 0;
} else {
ep2->dentry.stream.valid_size = cpu_to_le64(new_size);
- ep2->dentry.stream.size = ep->dentry.stream.valid_size;
+ ep2->dentry.stream.size = ep2->dentry.stream.valid_size;
}
if (new_size == 0) {
diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c
index 57b5a7a4d1f7..a3c927501e67 100644
--- a/fs/exfat/nls.c
+++ b/fs/exfat/nls.c
@@ -495,7 +495,7 @@ static int exfat_utf8_to_utf16(struct super_block *sb,
struct exfat_uni_name *p_uniname, int *p_lossy)
{
int i, unilen, lossy = NLS_NAME_NO_LOSSY;
- unsigned short upname[MAX_NAME_LENGTH + 1];
+ __le16 upname[MAX_NAME_LENGTH + 1];
unsigned short *uniname = p_uniname->name;
WARN_ON(!len);
@@ -519,7 +519,7 @@ static int exfat_utf8_to_utf16(struct super_block *sb,
exfat_wstrchr(bad_uni_chars, *uniname))
lossy |= NLS_NAME_LOSSY;
- upname[i] = exfat_toupper(sb, *uniname);
+ upname[i] = cpu_to_le16(exfat_toupper(sb, *uniname));
uniname++;
}
@@ -597,7 +597,7 @@ static int exfat_nls_to_ucs2(struct super_block *sb,
struct exfat_uni_name *p_uniname, int *p_lossy)
{
int i = 0, unilen = 0, lossy = NLS_NAME_NO_LOSSY;
- unsigned short upname[MAX_NAME_LENGTH + 1];
+ __le16 upname[MAX_NAME_LENGTH + 1];
unsigned short *uniname = p_uniname->name;
struct nls_table *nls = EXFAT_SB(sb)->nls_io;
@@ -611,7 +611,7 @@ static int exfat_nls_to_ucs2(struct super_block *sb,
exfat_wstrchr(bad_uni_chars, *uniname))
lossy |= NLS_NAME_LOSSY;
- upname[unilen] = exfat_toupper(sb, *uniname);
+ upname[unilen] = cpu_to_le16(exfat_toupper(sb, *uniname));
uniname++;
unilen++;
}
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 74bc4a04befa..32b0064f806e 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -605,6 +605,7 @@ enum {
struct async_poll {
struct io_poll_iocb poll;
+ struct io_poll_iocb *double_poll;
struct io_wq_work work;
};
@@ -4159,9 +4160,9 @@ static bool io_poll_rewait(struct io_kiocb *req, struct io_poll_iocb *poll)
return false;
}
-static void io_poll_remove_double(struct io_kiocb *req)
+static void io_poll_remove_double(struct io_kiocb *req, void *data)
{
- struct io_poll_iocb *poll = (struct io_poll_iocb *) req->io;
+ struct io_poll_iocb *poll = data;
lockdep_assert_held(&req->ctx->completion_lock);
@@ -4181,7 +4182,7 @@ static void io_poll_complete(struct io_kiocb *req, __poll_t mask, int error)
{
struct io_ring_ctx *ctx = req->ctx;
- io_poll_remove_double(req);
+ io_poll_remove_double(req, req->io);
req->poll.done = true;
io_cqring_fill_event(req, error ? error : mangle_poll(mask));
io_commit_cqring(ctx);
@@ -4224,21 +4225,21 @@ static int io_poll_double_wake(struct wait_queue_entry *wait, unsigned mode,
int sync, void *key)
{
struct io_kiocb *req = wait->private;
- struct io_poll_iocb *poll = (struct io_poll_iocb *) req->io;
+ struct io_poll_iocb *poll = req->apoll->double_poll;
__poll_t mask = key_to_poll(key);
/* for instances that support it check for an event match first: */
if (mask && !(mask & poll->events))
return 0;
- if (req->poll.head) {
+ if (poll && poll->head) {
bool done;
- spin_lock(&req->poll.head->lock);
- done = list_empty(&req->poll.wait.entry);
+ spin_lock(&poll->head->lock);
+ done = list_empty(&poll->wait.entry);
if (!done)
- list_del_init(&req->poll.wait.entry);
- spin_unlock(&req->poll.head->lock);
+ list_del_init(&poll->wait.entry);
+ spin_unlock(&poll->head->lock);
if (!done)
__io_async_wake(req, poll, mask, io_poll_task_func);
}
@@ -4258,7 +4259,8 @@ static void io_init_poll_iocb(struct io_poll_iocb *poll, __poll_t events,
}
static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
- struct wait_queue_head *head)
+ struct wait_queue_head *head,
+ struct io_poll_iocb **poll_ptr)
{
struct io_kiocb *req = pt->req;
@@ -4269,7 +4271,7 @@ static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
*/
if (unlikely(poll->head)) {
/* already have a 2nd entry, fail a third attempt */
- if (req->io) {
+ if (*poll_ptr) {
pt->error = -EINVAL;
return;
}
@@ -4281,7 +4283,7 @@ static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
io_init_poll_iocb(poll, req->poll.events, io_poll_double_wake);
refcount_inc(&req->refs);
poll->wait.private = req;
- req->io = (void *) poll;
+ *poll_ptr = poll;
}
pt->error = 0;
@@ -4293,8 +4295,9 @@ static void io_async_queue_proc(struct file *file, struct wait_queue_head *head,
struct poll_table_struct *p)
{
struct io_poll_table *pt = container_of(p, struct io_poll_table, pt);
+ struct async_poll *apoll = pt->req->apoll;
- __io_queue_proc(&pt->req->apoll->poll, pt, head);
+ __io_queue_proc(&apoll->poll, pt, head, &apoll->double_poll);
}
static void io_sq_thread_drop_mm(struct io_ring_ctx *ctx)
@@ -4344,11 +4347,13 @@ static void io_async_task_func(struct callback_head *cb)
}
}
+ io_poll_remove_double(req, apoll->double_poll);
spin_unlock_irq(&ctx->completion_lock);
/* restore ->work in case we need to retry again */
if (req->flags & REQ_F_WORK_INITIALIZED)
memcpy(&req->work, &apoll->work, sizeof(req->work));
+ kfree(apoll->double_poll);
kfree(apoll);
if (!canceled) {
@@ -4436,7 +4441,6 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
struct async_poll *apoll;
struct io_poll_table ipt;
__poll_t mask, ret;
- bool had_io;
if (!req->file || !file_can_poll(req->file))
return false;
@@ -4448,11 +4452,11 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
apoll = kmalloc(sizeof(*apoll), GFP_ATOMIC);
if (unlikely(!apoll))
return false;
+ apoll->double_poll = NULL;
req->flags |= REQ_F_POLLED;
if (req->flags & REQ_F_WORK_INITIALIZED)
memcpy(&apoll->work, &req->work, sizeof(req->work));
- had_io = req->io != NULL;
io_get_req_task(req);
req->apoll = apoll;
@@ -4470,13 +4474,11 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
ret = __io_arm_poll_handler(req, &apoll->poll, &ipt, mask,
io_async_wake);
if (ret) {
- ipt.error = 0;
- /* only remove double add if we did it here */
- if (!had_io)
- io_poll_remove_double(req);
+ io_poll_remove_double(req, apoll->double_poll);
spin_unlock_irq(&ctx->completion_lock);
if (req->flags & REQ_F_WORK_INITIALIZED)
memcpy(&req->work, &apoll->work, sizeof(req->work));
+ kfree(apoll->double_poll);
kfree(apoll);
return false;
}
@@ -4507,11 +4509,13 @@ static bool io_poll_remove_one(struct io_kiocb *req)
bool do_complete;
if (req->opcode == IORING_OP_POLL_ADD) {
- io_poll_remove_double(req);
+ io_poll_remove_double(req, req->io);
do_complete = __io_poll_remove_one(req, &req->poll);
} else {
struct async_poll *apoll = req->apoll;
+ io_poll_remove_double(req, apoll->double_poll);
+
/* non-poll requests have submit ref still */
do_complete = __io_poll_remove_one(req, &apoll->poll);
if (do_complete) {
@@ -4524,6 +4528,7 @@ static bool io_poll_remove_one(struct io_kiocb *req)
if (req->flags & REQ_F_WORK_INITIALIZED)
memcpy(&req->work, &apoll->work,
sizeof(req->work));
+ kfree(apoll->double_poll);
kfree(apoll);
}
}
@@ -4624,7 +4629,7 @@ static void io_poll_queue_proc(struct file *file, struct wait_queue_head *head,
{
struct io_poll_table *pt = container_of(p, struct io_poll_table, pt);
- __io_queue_proc(&pt->req->poll, pt, head);
+ __io_queue_proc(&pt->req->poll, pt, head, (struct io_poll_iocb **) &pt->req->io);
}
static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
@@ -4732,7 +4737,9 @@ static int io_timeout_remove_prep(struct io_kiocb *req,
{
if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL))
return -EINVAL;
- if (sqe->flags || sqe->ioprio || sqe->buf_index || sqe->len)
+ if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT)))
+ return -EINVAL;
+ if (sqe->ioprio || sqe->buf_index || sqe->len)
return -EINVAL;
req->timeout.addr = READ_ONCE(sqe->addr);
@@ -4910,8 +4917,9 @@ static int io_async_cancel_prep(struct io_kiocb *req,
{
if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL))
return -EINVAL;
- if (sqe->flags || sqe->ioprio || sqe->off || sqe->len ||
- sqe->cancel_flags)
+ if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT)))
+ return -EINVAL;
+ if (sqe->ioprio || sqe->off || sqe->len || sqe->cancel_flags)
return -EINVAL;
req->cancel.addr = READ_ONCE(sqe->addr);
@@ -4929,7 +4937,9 @@ static int io_async_cancel(struct io_kiocb *req)
static int io_files_update_prep(struct io_kiocb *req,
const struct io_uring_sqe *sqe)
{
- if (sqe->flags || sqe->ioprio || sqe->rw_flags)
+ if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT)))
+ return -EINVAL;
+ if (sqe->ioprio || sqe->rw_flags)
return -EINVAL;
req->files_update.offset = READ_ONCE(sqe->off);
@@ -5720,6 +5730,7 @@ fail_req:
* Never try inline submit of IOSQE_ASYNC is set, go straight
* to async execution.
*/
+ io_req_init_async(req);
req->work.flags |= IO_WQ_WORK_CONCURRENT;
io_queue_async_work(req);
} else {
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index cce2510b2cca..c9056316a0b3 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -507,6 +507,17 @@ find_any_file(struct nfs4_file *f)
return ret;
}
+static struct nfsd_file *find_deleg_file(struct nfs4_file *f)
+{
+ struct nfsd_file *ret = NULL;
+
+ spin_lock(&f->fi_lock);
+ if (f->fi_deleg_file)
+ ret = nfsd_file_get(f->fi_deleg_file);
+ spin_unlock(&f->fi_lock);
+ return ret;
+}
+
static atomic_long_t num_delegations;
unsigned long max_delegations;
@@ -2444,6 +2455,8 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st)
oo = ols->st_stateowner;
nf = st->sc_file;
file = find_any_file(nf);
+ if (!file)
+ return 0;
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
@@ -2481,6 +2494,8 @@ static int nfs4_show_lock(struct seq_file *s, struct nfs4_stid *st)
oo = ols->st_stateowner;
nf = st->sc_file;
file = find_any_file(nf);
+ if (!file)
+ return 0;
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
@@ -2513,7 +2528,9 @@ static int nfs4_show_deleg(struct seq_file *s, struct nfs4_stid *st)
ds = delegstateid(st);
nf = st->sc_file;
- file = nf->fi_deleg_file;
+ file = find_deleg_file(nf);
+ if (!file)
+ return 0;
seq_printf(s, "- ");
nfs4_show_stateid(s, &st->sc_stateid);
@@ -2529,6 +2546,7 @@ static int nfs4_show_deleg(struct seq_file *s, struct nfs4_stid *st)
seq_printf(s, ", ");
nfs4_show_fname(s, file);
seq_printf(s, " }\n");
+ nfsd_file_put(file);
return 0;
}
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 64f61330564a..76bb1c846845 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -175,7 +175,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length,
/* Extract the length of the metadata block */
data = page_address(bvec->bv_page) + bvec->bv_offset;
length = data[offset];
- if (offset <= bvec->bv_len - 1) {
+ if (offset < bvec->bv_len - 1) {
length |= data[offset + 1] << 8;
} else {
if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 07bc42d62673..abfb17f88f9a 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -607,14 +607,14 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
int nr_pages;
ssize_t ret;
- nr_pages = iov_iter_npages(from, BIO_MAX_PAGES);
- if (!nr_pages)
- return 0;
-
max = queue_max_zone_append_sectors(bdev_get_queue(bdev));
max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize);
iov_iter_truncate(from, max);
+ nr_pages = iov_iter_npages(from, BIO_MAX_PAGES);
+ if (!nr_pages)
+ return 0;
+
bio = bio_alloc_bioset(GFP_NOFS, nr_pages, &fs_bio_set);
if (!bio)
return -ENOMEM;
@@ -1119,7 +1119,7 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
char *file_name;
struct dentry *dir;
unsigned int n = 0;
- int ret = -ENOMEM;
+ int ret;
/* If the group is empty, there is nothing to do */
if (!zd->nr_zones[type])
@@ -1135,8 +1135,10 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
zgroup_name = "seq";
dir = zonefs_create_inode(sb->s_root, zgroup_name, NULL, type);
- if (!dir)
+ if (!dir) {
+ ret = -ENOMEM;
goto free;
+ }
/*
* The first zone contains the super block: skip it.
@@ -1174,8 +1176,10 @@ static int zonefs_create_zgroup(struct zonefs_zone_data *zd,
* Use the file number within its group as file name.
*/
snprintf(file_name, ZONEFS_NAME_MAX - 1, "%u", n);
- if (!zonefs_create_inode(dir, file_name, zone, type))
+ if (!zonefs_create_inode(dir, file_name, zone, type)) {
+ ret = -ENOMEM;
goto free;
+ }
n++;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-14 04:20:44 +0300