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btrfs: get fs_info from eb in btree_read_extent_buffer_pages

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We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-20 14:56:39 +01:00
parent d0d20b0f5c
commit 5ab12d1ff8
1 changed files with 4 additions and 7 deletions
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11
fs/btrfs/disk-io.c
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@ -450,11 +450,11 @@ int btrfs_verify_level_key(struct btrfs_fs_info *fs_info,
* @level: expected level, mandatory check
* @first_key: expected key of first slot, skip check if NULL
*/
static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
struct extent_buffer *eb,
static int btree_read_extent_buffer_pages(struct extent_buffer *eb,
u64 parent_transid, int level,
struct btrfs_key *first_key)
{
struct btrfs_fs_info *fs_info = eb->fs_info;
struct extent_io_tree *io_tree;
int failed = 0;
int ret;
@ -1097,7 +1097,7 @@ struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
if (IS_ERR(buf))
return buf;
ret = btree_read_extent_buffer_pages(fs_info, buf, parent_transid,
ret = btree_read_extent_buffer_pages(buf, parent_transid,
level, first_key);
if (ret) {
free_extent_buffer_stale(buf);
@ -4158,10 +4158,7 @@ void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info)
int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid, int level,
struct btrfs_key *first_key)
{
struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root;
struct btrfs_fs_info *fs_info = root->fs_info;
return btree_read_extent_buffer_pages(fs_info, buf, parent_transid,
return btree_read_extent_buffer_pages(buf, parent_transid,
level, first_key);
}