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Merge branch 'cleanup/blocksize-diet-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus

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This commit is contained in:
Chris Mason
2014-10-04 09:57:14 -07:00
parent bbf65cf0b5 4d75f8a9c8
commit 27b19cc886
9 changed files with 57 additions and 105 deletions
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28
fs/btrfs/relocation.c
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@@ -1846,8 +1846,7 @@ again:
break;
}
eb = read_tree_block(dest, old_bytenr, blocksize,
old_ptr_gen);
eb = read_tree_block(dest, old_bytenr, old_ptr_gen);
if (!eb || !extent_buffer_uptodate(eb)) {
ret = (!eb) ? -ENOMEM : -EIO;
free_extent_buffer(eb);
@@ -1977,7 +1976,6 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path,
u64 bytenr;
u64 ptr_gen = 0;
u64 last_snapshot;
u32 blocksize;
u32 nritems;
last_snapshot = btrfs_root_last_snapshot(&root->root_item);
@@ -2003,8 +2001,7 @@ int walk_down_reloc_tree(struct btrfs_root *root, struct btrfs_path *path,
}
bytenr = btrfs_node_blockptr(eb, path->slots[i]);
blocksize = root->nodesize;
eb = read_tree_block(root, bytenr, blocksize, ptr_gen);
eb = read_tree_block(root, bytenr, ptr_gen);
if (!eb || !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
return -EIO;
@@ -2712,7 +2709,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
blocksize = root->nodesize;
generation = btrfs_node_ptr_generation(upper->eb, slot);
eb = read_tree_block(root, bytenr, blocksize, generation);
eb = read_tree_block(root, bytenr, generation);
if (!eb || !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
err = -EIO;
@@ -2874,7 +2871,7 @@ static int get_tree_block_key(struct reloc_control *rc,
BUG_ON(block->key_ready);
eb = read_tree_block(rc->extent_root, block->bytenr,
block->key.objectid, block->key.offset);
block->key.offset);
if (!eb || !extent_buffer_uptodate(eb)) {
free_extent_buffer(eb);
return -EIO;
@@ -2889,20 +2886,6 @@ static int get_tree_block_key(struct reloc_control *rc,
return 0;
}
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);
return 0;
}
/*
* helper function to relocate a tree block
*/
@@ -2982,7 +2965,8 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
while (rb_node) {
block = rb_entry(rb_node, struct tree_block, rb_node);
if (!block->key_ready)
reada_tree_block(rc, block);
readahead_tree_block(rc->extent_root, block->bytenr,
block->key.objectid);
rb_node = rb_next(rb_node);
}