The parent_transid parameter has been unused since its introduction in
ca7a79ad8dbe2466 ("Pass down the expected generation number when reading
tree blocks"). In reada_tree_block, it was even wrongly set to leafsize.
Transid check is done in the proper read and readahead ignores errors.
Signed-off-by: David Sterba <dste...@suse.cz>
---
fs/btrfs/ctree.c | 6 +++---
fs/btrfs/disk-io.c | 3 +--
fs/btrfs/disk-io.h | 3 +--
fs/btrfs/extent-tree.c | 3 +--
fs/btrfs/relocation.c | 9 ++-------
5 files changed, 8 insertions(+), 16 deletions(-)
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 39021bf2df9a..1b7e3545a596 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2298,7 +2298,7 @@ static void reada_for_search(struct btrfs_root *root,
if ((search <= target && target - search <= 65536) ||
(search > target && search - target <= 65536)) {
gen = btrfs_node_ptr_generation(node, nr);
- readahead_tree_block(root, search, blocksize, gen);
+ readahead_tree_block(root, search, blocksize);
nread += blocksize;
}
nscan++;
@@ -2350,9 +2350,9 @@ static noinline void reada_for_balance(struct btrfs_root
*root,
}
if (block1)
- readahead_tree_block(root, block1, blocksize, 0);
+ readahead_tree_block(root, block1, blocksize);
if (block2)
- readahead_tree_block(root, block2, blocksize, 0);
+ readahead_tree_block(root, block2, blocksize);
}
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4780e6623c7b..ff83748d39da 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1062,8 +1062,7 @@ static const struct address_space_operations btree_aops =
{
.set_page_dirty = btree_set_page_dirty,
};
-int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,
- u64 parent_transid)
+int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize)
{
struct extent_buffer *buf = NULL;
struct inode *btree_inode = root->fs_info->btree_inode;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 14d06ee1e143..8cd6a53db621 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -46,8 +46,7 @@ struct btrfs_fs_devices;
struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
u32 blocksize, u64 parent_transid);
-int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,
- u64 parent_transid);
+int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize);
int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32
blocksize,
int mirror_num, struct extent_buffer **eb);
struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 44d04979f071..058abd088f0f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7486,8 +7486,7 @@ static noinline void reada_walk_down(struct
btrfs_trans_handle *trans,
continue;
}
reada:
- ret = readahead_tree_block(root, bytenr, blocksize,
- generation);
+ ret = readahead_tree_block(root, bytenr, blocksize);
if (ret)
break;
nread++;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2d221c46180c..16cb2b4a9620 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2861,13 +2861,8 @@ static int reada_tree_block(struct reloc_control *rc,
struct tree_block *block)
{
BUG_ON(block->key_ready);
- if (block->key.type == BTRFS_METADATA_ITEM_KEY)
- readahead_tree_block(rc->extent_root, block->bytenr,
- block->key.objectid,
- rc->extent_root->nodesize);
- else
- readahead_tree_block(rc->extent_root, block->bytenr,
- block->key.objectid, block->key.offset);
+ readahead_tree_block(rc->extent_root, block->bytenr,
+ block->key.objectid);
return 0;
}
--
1.8.4.5
--
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