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btrfs-progs: kernel-shared: add helper write_extent_buffer_chunk_tree_uuid

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Sync the helper write_extent_buffer_chunk_tree_uuid from kernel.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2023-06-27 17:27:04 +02:00
parent 339de9b2d7
commit 22cf63d8ee
5 changed files with 15 additions and 17 deletions
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17
kernel-shared/ctree.c
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@ -392,9 +392,7 @@ int btrfs_create_root(struct btrfs_trans_handle *trans,
btrfs_set_header_backref_rev(node, BTRFS_MIXED_BACKREF_REV);
btrfs_set_header_owner(node, objectid);
write_extent_buffer_fsid(node, fs_info->fs_devices->metadata_uuid);
write_extent_buffer(node, fs_info->chunk_tree_uuid,
btrfs_header_chunk_tree_uuid(node),
BTRFS_UUID_SIZE);
write_extent_buffer_chunk_tree_uuid(node, fs_info->chunk_tree_uuid);
btrfs_set_header_nritems(node, 0);
btrfs_set_header_level(node, 0);
ret = btrfs_inc_ref(trans, new_root, node, 0);
@ -1736,10 +1734,7 @@ static int noinline insert_new_root(struct btrfs_trans_handle *trans,
root_add_used(root, root->fs_info->nodesize);
write_extent_buffer_fsid(c, root->fs_info->fs_devices->metadata_uuid);
write_extent_buffer(c, root->fs_info->chunk_tree_uuid,
btrfs_header_chunk_tree_uuid(c),
BTRFS_UUID_SIZE);
write_extent_buffer_chunk_tree_uuid(c, root->fs_info->chunk_tree_uuid);
btrfs_set_node_key(c, &lower_key, 0);
btrfs_set_node_blockptr(c, 0, lower->start);
lower_gen = btrfs_header_generation(lower);
@ -1856,9 +1851,7 @@ static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root
btrfs_set_header_backref_rev(split, BTRFS_MIXED_BACKREF_REV);
btrfs_set_header_owner(split, root->root_key.objectid);
write_extent_buffer_fsid(split, root->fs_info->fs_devices->metadata_uuid);
write_extent_buffer(split, root->fs_info->chunk_tree_uuid,
btrfs_header_chunk_tree_uuid(split),
BTRFS_UUID_SIZE);
write_extent_buffer_chunk_tree_uuid(split, root->fs_info->chunk_tree_uuid);
root_add_used(root, root->fs_info->nodesize);
@ -2425,9 +2418,7 @@ again:
btrfs_set_header_owner(right, root->root_key.objectid);
btrfs_set_header_level(right, 0);
write_extent_buffer_fsid(right, root->fs_info->fs_devices->metadata_uuid);
write_extent_buffer(right, root->fs_info->chunk_tree_uuid,
btrfs_header_chunk_tree_uuid(right),
BTRFS_UUID_SIZE);
write_extent_buffer_chunk_tree_uuid(right, root->fs_info->chunk_tree_uuid);
root_add_used(root, root->fs_info->nodesize);

2
kernel-shared/ctree.h
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@ -732,7 +732,7 @@ static inline unsigned long btrfs_header_fsid(void)
return offsetof(struct btrfs_header, fsid);
}
static inline unsigned long btrfs_header_chunk_tree_uuid(struct extent_buffer *eb)
static inline unsigned long btrfs_header_chunk_tree_uuid(const struct extent_buffer *eb)
{
return offsetof(struct btrfs_header, chunk_tree_uuid);
}

5
kernel-shared/disk-io.c
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@ -2335,9 +2335,8 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
btrfs_set_header_owner(leaf, root->root_key.objectid);
root->node = leaf;
write_extent_buffer_fsid(leaf, fs_info->fs_devices->metadata_uuid);
write_extent_buffer(leaf, fs_info->chunk_tree_uuid,
btrfs_header_chunk_tree_uuid(leaf),
BTRFS_UUID_SIZE);
write_extent_buffer_chunk_tree_uuid(leaf, fs_info->chunk_tree_uuid);
btrfs_mark_buffer_dirty(leaf);
extent_buffer_get(root->node);

6
kernel-shared/extent_io.c
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@ -614,6 +614,12 @@ void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src)
write_extent_buffer(eb, src, btrfs_header_fsid(), BTRFS_FSID_SIZE);
}
void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb,
const void *src)
{
write_extent_buffer(eb, src, btrfs_header_chunk_tree_uuid(eb), BTRFS_FSID_SIZE);
}
void write_extent_buffer(const struct extent_buffer *eb, const void *src,
unsigned long start, unsigned long len)
{

2
kernel-shared/extent_io.h
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@ -110,6 +110,8 @@ int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
void read_extent_buffer(const struct extent_buffer *eb, void *dst,
unsigned long start, unsigned long len);
void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src);
void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb,
const void *src);
void write_extent_buffer(const struct extent_buffer *eb, const void *src,
unsigned long start, unsigned long len);
void copy_extent_buffer_full(const struct extent_buffer *dst,