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btrfs: qgroup: Switch self test to extent-oriented qgroup mechanism. 

Since the self test transaction don't have delayed_ref_roots, so use
find_all_roots() and export btrfs_qgroup_account_extent() to simulate it

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Qu Wenruo 2015-04-16 17:18:36 +08:00 committed by Chris Mason
parent 0ed4792af0
commit 442244c963
3 changed files with 89 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/btrfs/qgroup.c
View File

@ -2455,7 +2455,7 @@ static int btrfs_qgroup_account(struct btrfs_trans_handle *trans,
return ret;
}
static int
int
btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes,

5
fs/btrfs/qgroup.h
View File

@ -103,6 +103,11 @@ int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans,
struct btrfs_qgroup_extent_record
*btrfs_qgroup_insert_dirty_extent(struct btrfs_delayed_ref_root *delayed_refs,
struct btrfs_qgroup_extent_record *record);
int
btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
u64 bytenr, u64 num_bytes,
struct ulist *old_roots, struct ulist *new_roots);
int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
int btrfs_delayed_qgroup_accounting(struct btrfs_trans_handle *trans,

109
fs/btrfs/tests/qgroup-tests.c
View File

@ -21,6 +21,7 @@
#include "../transaction.h"
#include "../disk-io.h"
#include "../qgroup.h"
#include "../backref.h"
static void init_dummy_trans(struct btrfs_trans_handle *trans)
{
@ -227,6 +228,8 @@ static int test_no_shared_qgroup(struct btrfs_root *root)
{
struct btrfs_trans_handle trans;
struct btrfs_fs_info *fs_info = root->fs_info;
struct ulist *old_roots = NULL;
struct ulist *new_roots = NULL;
int ret;
init_dummy_trans(&trans);
@ -238,10 +241,15 @@ static int test_no_shared_qgroup(struct btrfs_root *root)
return ret;
}
ret = btrfs_qgroup_record_ref(&trans, fs_info, 5, 4096, 4096,
BTRFS_QGROUP_OPER_ADD_EXCL, 0);
/*
* Since the test trans doesn't havee the complicated delayed refs,
* we can only call btrfs_qgroup_account_extent() directly to test
* quota.
*/
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &old_roots);
if (ret) {
test_msg("Couldn't add space to a qgroup %d\n", ret);
ulist_free(old_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
@ -249,9 +257,18 @@ static int test_no_shared_qgroup(struct btrfs_root *root)
if (ret)
return ret;
ret = btrfs_delayed_qgroup_accounting(&trans, fs_info);
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &new_roots);
if (ret) {
test_msg("Delayed qgroup accounting failed %d\n", ret);
ulist_free(old_roots);
ulist_free(new_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = btrfs_qgroup_account_extent(&trans, fs_info, 4096, 4096,
old_roots, new_roots);
if (ret) {
test_msg("Couldn't account space for a qgroup %d\n", ret);
return ret;
}
@ -259,21 +276,32 @@ static int test_no_shared_qgroup(struct btrfs_root *root)
test_msg("Qgroup counts didn't match expected values\n");
return -EINVAL;
}
old_roots = NULL;
new_roots = NULL;
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &old_roots);
if (ret) {
ulist_free(old_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = remove_extent_item(root, 4096, 4096);
if (ret)
return -EINVAL;
ret = btrfs_qgroup_record_ref(&trans, fs_info, 5, 4096, 4096,
BTRFS_QGROUP_OPER_SUB_EXCL, 0);
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &new_roots);
if (ret) {
test_msg("Couldn't remove space from the qgroup %d\n", ret);
return -EINVAL;
ulist_free(old_roots);
ulist_free(new_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = btrfs_delayed_qgroup_accounting(&trans, fs_info);
ret = btrfs_qgroup_account_extent(&trans, fs_info, 4096, 4096,
old_roots, new_roots);
if (ret) {
test_msg("Qgroup accounting failed %d\n", ret);
test_msg("Couldn't account space for a qgroup %d\n", ret);
return -EINVAL;
}
@ -294,6 +322,8 @@ static int test_multiple_refs(struct btrfs_root *root)
{
struct btrfs_trans_handle trans;
struct btrfs_fs_info *fs_info = root->fs_info;
struct ulist *old_roots = NULL;
struct ulist *new_roots = NULL;
int ret;
init_dummy_trans(&trans);
@ -307,20 +337,29 @@ static int test_multiple_refs(struct btrfs_root *root)
return ret;
}
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &old_roots);
if (ret) {
ulist_free(old_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = insert_normal_tree_ref(root, 4096, 4096, 0, 5);
if (ret)
return ret;
ret = btrfs_qgroup_record_ref(&trans, fs_info, 5, 4096, 4096,
BTRFS_QGROUP_OPER_ADD_EXCL, 0);
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &new_roots);
if (ret) {
test_msg("Couldn't add space to a qgroup %d\n", ret);
ulist_free(old_roots);
ulist_free(new_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = btrfs_delayed_qgroup_accounting(&trans, fs_info);
ret = btrfs_qgroup_account_extent(&trans, fs_info, 4096, 4096,
old_roots, new_roots);
if (ret) {
test_msg("Delayed qgroup accounting failed %d\n", ret);
test_msg("Couldn't account space for a qgroup %d\n", ret);
return ret;
}
@ -329,20 +368,29 @@ static int test_multiple_refs(struct btrfs_root *root)
return -EINVAL;
}
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &old_roots);
if (ret) {
ulist_free(old_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = add_tree_ref(root, 4096, 4096, 0, 256);
if (ret)
return ret;
ret = btrfs_qgroup_record_ref(&trans, fs_info, 256, 4096, 4096,
BTRFS_QGROUP_OPER_ADD_SHARED, 0);
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &new_roots);
if (ret) {
test_msg("Qgroup record ref failed %d\n", ret);
ulist_free(old_roots);
ulist_free(new_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = btrfs_delayed_qgroup_accounting(&trans, fs_info);
ret = btrfs_qgroup_account_extent(&trans, fs_info, 4096, 4096,
old_roots, new_roots);
if (ret) {
test_msg("Qgroup accounting failed %d\n", ret);
test_msg("Couldn't account space for a qgroup %d\n", ret);
return ret;
}
@ -356,20 +404,29 @@ static int test_multiple_refs(struct btrfs_root *root)
return -EINVAL;
}
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &old_roots);
if (ret) {
ulist_free(old_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = remove_extent_ref(root, 4096, 4096, 0, 256);
if (ret)
return ret;
ret = btrfs_qgroup_record_ref(&trans, fs_info, 256, 4096, 4096,
BTRFS_QGROUP_OPER_SUB_SHARED, 0);
ret = btrfs_find_all_roots(&trans, fs_info, 4096, 0, &new_roots);
if (ret) {
test_msg("Qgroup record ref failed %d\n", ret);
ulist_free(old_roots);
ulist_free(new_roots);
test_msg("Couldn't find old roots: %d\n", ret);
return ret;
}
ret = btrfs_delayed_qgroup_accounting(&trans, fs_info);
ret = btrfs_qgroup_account_extent(&trans, fs_info, 4096, 4096,
old_roots, new_roots);
if (ret) {
test_msg("Qgroup accounting failed %d\n", ret);
test_msg("Couldn't account space for a qgroup %d\n", ret);
return ret;
}