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btrfs: remove trivial helper btrfs_find_tree_block 

During the time, the function has been shrunk to the point that it just
calls find_extent_buffer, just passing the parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-11-08 23:21:05 +01:00
parent b917bb3878
commit 62d1f9fe97
4 changed files with 7 additions and 15 deletions
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10
fs/btrfs/ctree.c
View File

@ -1670,7 +1670,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
continue;
}
cur = btrfs_find_tree_block(root->fs_info, blocknr);
cur = find_extent_buffer(root->fs_info, blocknr);
if (cur)
uptodate = btrfs_buffer_uptodate(cur, gen, 0);
else
@ -2255,7 +2255,7 @@ static void reada_for_search(struct btrfs_root *root,
search = btrfs_node_blockptr(node, slot);
blocksize = root->nodesize;
eb = btrfs_find_tree_block(root->fs_info, search);
eb = find_extent_buffer(root->fs_info, search);
if (eb) {
free_extent_buffer(eb);
return;
@ -2314,7 +2314,7 @@ static noinline void reada_for_balance(struct btrfs_root *root,
if (slot > 0) {
block1 = btrfs_node_blockptr(parent, slot - 1);
gen = btrfs_node_ptr_generation(parent, slot - 1);
eb = btrfs_find_tree_block(root->fs_info, block1);
eb = find_extent_buffer(root->fs_info, block1);
/*
* if we get -eagain from btrfs_buffer_uptodate, we
* don't want to return eagain here. That will loop
@ -2327,7 +2327,7 @@ static noinline void reada_for_balance(struct btrfs_root *root,
if (slot + 1 < nritems) {
block2 = btrfs_node_blockptr(parent, slot + 1);
gen = btrfs_node_ptr_generation(parent, slot + 1);
eb = btrfs_find_tree_block(root->fs_info, block2);
eb = find_extent_buffer(root->fs_info, block2);
if (eb && btrfs_buffer_uptodate(eb, gen, 1) != 0)
block2 = 0;
free_extent_buffer(eb);
@ -2445,7 +2445,7 @@ read_block_for_search(struct btrfs_trans_handle *trans,
blocknr = btrfs_node_blockptr(b, slot);
gen = btrfs_node_ptr_generation(b, slot);
tmp = btrfs_find_tree_block(root->fs_info, blocknr);
tmp = find_extent_buffer(root->fs_info, blocknr);
if (tmp) {
/* first we do an atomic uptodate check */
if (btrfs_buffer_uptodate(tmp, gen, 1) > 0) {

8
fs/btrfs/disk-io.c
View File

@ -1191,12 +1191,6 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr,
return 0;
}
struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr)
{
return find_extent_buffer(fs_info, bytenr);
}
struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
u64 bytenr)
{
@ -4452,7 +4446,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
clear_extent_bits(dirty_pages, start, end, mark);
while (start <= end) {
eb = btrfs_find_tree_block(root->fs_info, start);
eb = find_extent_buffer(root->fs_info, start);
start += root->nodesize;
if (!eb)
continue;

2
fs/btrfs/disk-io.h
View File

@ -63,8 +63,6 @@ struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
struct buffer_head **bh_ret);
int btrfs_commit_super(struct btrfs_root *root);
struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info,
u64 bytenr);
struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,
struct btrfs_key *location);
int btrfs_init_fs_root(struct btrfs_root *root);

2
fs/btrfs/extent-tree.c
View File

@ -8866,7 +8866,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
bytenr = btrfs_node_blockptr(path->nodes[level], path->slots[level]);
blocksize = root->nodesize;
next = btrfs_find_tree_block(root->fs_info, bytenr);
next = find_extent_buffer(root->fs_info, bytenr);
if (!next) {
next = btrfs_find_create_tree_block(root, bytenr);
if (IS_ERR(next))