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authorChris Mason <clm@fb.com>2014-10-04 18:57:14 +0200
committerChris Mason <clm@fb.com>2014-10-04 18:57:14 +0200
commit27b19cc8864e206c4203041892b0f706f044a0f1 (patch)
treef724dd77efa379da881fba7f46075af17a728bf9 /fs/btrfs/disk-io.c
parentMerge branch 'cleanup/misc-for-3.18' of git://git.kernel.org/pub/scm/linux/ke... (diff)
parentbtrfs: remove blocksize from btrfs_alloc_free_block and rename (diff)
downloadlinux-27b19cc8864e206c4203041892b0f706f044a0f1.tar.xz
linux-27b19cc8864e206c4203041892b0f706f044a0f1.zip
Merge branch 'cleanup/blocksize-diet-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c37
1 files changed, 12 insertions, 25 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 07d9e83f8954..2409718e3f20 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1073,20 +1073,17 @@ 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)
+void 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;
- int ret = 0;
buf = btrfs_find_create_tree_block(root, bytenr, blocksize);
if (!buf)
- return 0;
+ return;
read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree,
buf, 0, WAIT_NONE, btree_get_extent, 0);
free_extent_buffer(buf);
- return ret;
}
int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize,
@@ -1122,7 +1119,7 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize,
}
struct extent_buffer *btrfs_find_tree_block(struct btrfs_root *root,
- u64 bytenr, u32 blocksize)
+ u64 bytenr)
{
return find_extent_buffer(root->fs_info, bytenr);
}
@@ -1150,12 +1147,12 @@ int btrfs_wait_tree_block_writeback(struct extent_buffer *buf)
}
struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
- u32 blocksize, u64 parent_transid)
+ u64 parent_transid)
{
struct extent_buffer *buf = NULL;
int ret;
- buf = btrfs_find_create_tree_block(root, bytenr, blocksize);
+ buf = btrfs_find_create_tree_block(root, bytenr, root->nodesize);
if (!buf)
return NULL;
@@ -1336,8 +1333,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
root->root_key.type = BTRFS_ROOT_ITEM_KEY;
root->root_key.offset = 0;
- leaf = btrfs_alloc_free_block(trans, root, root->nodesize,
- 0, objectid, NULL, 0, 0, 0);
+ leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0);
if (IS_ERR(leaf)) {
ret = PTR_ERR(leaf);
leaf = NULL;
@@ -1424,9 +1420,8 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
* updated (along with back refs to the log tree).
*/
- leaf = btrfs_alloc_free_block(trans, root, root->nodesize, 0,
- BTRFS_TREE_LOG_OBJECTID, NULL,
- 0, 0, 0);
+ leaf = btrfs_alloc_tree_block(trans, root, 0, BTRFS_TREE_LOG_OBJECTID,
+ NULL, 0, 0, 0);
if (IS_ERR(leaf)) {
kfree(root);
return ERR_CAST(leaf);
@@ -1496,7 +1491,6 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,
struct btrfs_fs_info *fs_info = tree_root->fs_info;
struct btrfs_path *path;
u64 generation;
- u32 blocksize;
int ret;
path = btrfs_alloc_path();
@@ -1521,9 +1515,8 @@ static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,
}
generation = btrfs_root_generation(&root->root_item);
- blocksize = root->nodesize;
root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item),
- blocksize, generation);
+ generation);
if (!root->node) {
ret = -ENOMEM;
goto find_fail;
@@ -2151,7 +2144,6 @@ int open_ctree(struct super_block *sb,
{
u32 sectorsize;
u32 nodesize;
- u32 blocksize;
u32 stripesize;
u64 generation;
u64 features;
@@ -2655,7 +2647,6 @@ int open_ctree(struct super_block *sb,
goto fail_sb_buffer;
}
- blocksize = tree_root->nodesize;
generation = btrfs_super_chunk_root_generation(disk_super);
__setup_root(nodesize, sectorsize, stripesize, chunk_root,
@@ -2663,7 +2654,7 @@ int open_ctree(struct super_block *sb,
chunk_root->node = read_tree_block(chunk_root,
btrfs_super_chunk_root(disk_super),
- blocksize, generation);
+ generation);
if (!chunk_root->node ||
!test_bit(EXTENT_BUFFER_UPTODATE, &chunk_root->node->bflags)) {
printk(KERN_WARNING "BTRFS: failed to read chunk root on %s\n",
@@ -2696,12 +2687,11 @@ int open_ctree(struct super_block *sb,
}
retry_root_backup:
- blocksize = tree_root->nodesize;
generation = btrfs_super_generation(disk_super);
tree_root->node = read_tree_block(tree_root,
btrfs_super_root(disk_super),
- blocksize, generation);
+ generation);
if (!tree_root->node ||
!test_bit(EXTENT_BUFFER_UPTODATE, &tree_root->node->bflags)) {
printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
@@ -2870,7 +2860,6 @@ retry_root_backup:
err = -EIO;
goto fail_qgroup;
}
- blocksize = tree_root->nodesize;
log_tree_root = btrfs_alloc_root(fs_info);
if (!log_tree_root) {
@@ -2882,7 +2871,6 @@ retry_root_backup:
log_tree_root, fs_info, BTRFS_TREE_LOG_OBJECTID);
log_tree_root->node = read_tree_block(tree_root, bytenr,
- blocksize,
generation + 1);
if (!log_tree_root->node ||
!extent_buffer_uptodate(log_tree_root->node)) {
@@ -4084,8 +4072,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
clear_extent_bits(dirty_pages, start, end, mark, GFP_NOFS);
while (start <= end) {
- eb = btrfs_find_tree_block(root, start,
- root->nodesize);
+ eb = btrfs_find_tree_block(root, start);
start += root->nodesize;
if (!eb)
continue;