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btrfs-progs: Remove root argument from btrfs_del_csums

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It's not needed, since we can obtain a reference to fs_info from the
passed transaction handle. This is needed by delayed refs code.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-06-08 15:47:45 +03:00 committed by David Sterba
parent 819ac53931
commit dddc3f44c9
4 changed files with 13 additions and 14 deletions
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2
btrfs-corrupt-block.c
View File

@ -926,7 +926,7 @@ static int delete_csum(struct btrfs_root *root, u64 bytenr, u64 bytes)
return PTR_ERR(trans);
}
ret = btrfs_del_csums(trans, root, bytenr, bytes);
ret = btrfs_del_csums(trans, bytenr, bytes);
if (ret)
fprintf(stderr, "Error deleting csums %d\n", ret);
btrfs_commit_transaction(trans, root);

3
ctree.h
View File

@ -2730,8 +2730,7 @@ int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
u64 ino, u64 parent_ino, u64 *index);
/* file-item.c */
int btrfs_del_csums(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 bytenr, u64 len);
int btrfs_del_csums(struct btrfs_trans_handle *trans, u64 bytenr, u64 len);
int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 objectid, u64 pos, u64 offset,

2
extent-tree.c
View File

@ -2372,7 +2372,7 @@ static int __free_extent(struct btrfs_trans_handle *trans,
btrfs_release_path(path);
if (is_data) {
ret = btrfs_del_csums(trans, root, bytenr, num_bytes);
ret = btrfs_del_csums(trans, bytenr, num_bytes);
BUG_ON(ret);
}

20
file-item.c
View File

@ -394,8 +394,7 @@ static noinline int truncate_one_csum(struct btrfs_root *root,
* deletes the csum items from the csum tree for a given
* range of bytes.
*/
int btrfs_del_csums(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 bytenr, u64 len)
int btrfs_del_csums(struct btrfs_trans_handle *trans, u64 bytenr, u64 len)
{
struct btrfs_path *path;
struct btrfs_key key;
@ -403,11 +402,10 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
u64 csum_end;
struct extent_buffer *leaf;
int ret;
u16 csum_size =
btrfs_super_csum_size(root->fs_info->super_copy);
int blocksize = root->fs_info->sectorsize;
u16 csum_size = btrfs_super_csum_size(trans->fs_info->super_copy);
int blocksize = trans->fs_info->sectorsize;
struct btrfs_root *csum_root = trans->fs_info->csum_root;
root = root->fs_info->csum_root;
path = btrfs_alloc_path();
if (!path)
@ -418,7 +416,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
key.offset = end_byte - 1;
key.type = BTRFS_EXTENT_CSUM_KEY;
ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
ret = btrfs_search_slot(trans, csum_root, &key, path, -1, 1);
if (ret > 0) {
if (path->slots[0] == 0)
goto out;
@ -445,7 +443,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
/* delete the entire item, it is inside our range */
if (key.offset >= bytenr && csum_end <= end_byte) {
ret = btrfs_del_item(trans, root, path);
ret = btrfs_del_item(trans, csum_root, path);
BUG_ON(ret);
} else if (key.offset < bytenr && csum_end > end_byte) {
unsigned long offset;
@ -485,12 +483,14 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
* btrfs_split_item returns -EAGAIN when the
* item changed size or key
*/
ret = btrfs_split_item(trans, root, path, &key, offset);
ret = btrfs_split_item(trans, csum_root, path, &key,
offset);
BUG_ON(ret && ret != -EAGAIN);
key.offset = end_byte - 1;
} else {
ret = truncate_one_csum(root, path, &key, bytenr, len);
ret = truncate_one_csum(csum_root, path, &key, bytenr,
len);
BUG_ON(ret);
}
btrfs_release_path(path);