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btrfs: tests: allocate dummy fs_info and root in test_find_delalloc()

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[ Upstream commit b2136cc288fce2f24a92f3d656531b2d50ebec5a ]

Allocate fs_info and root to have a valid fs_info pointer in case it's
dereferenced by a helper outside of tests, like find_lock_delalloc_range().

Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David Sterba 2024-01-29 19:04:33 +01:00 • committed by Greg Kroah-Hartman
parent f379c3f49e
commit 981a749cef
1 changed files with 24 additions and 4 deletions
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28
fs/btrfs/tests/extent-io-tests.c
View file

@ -11,6 +11,7 @@
#include "btrfs-tests.h"
#include "../ctree.h"
#include "../extent_io.h"
#include "../disk-io.h"
#include "../btrfs_inode.h"
#define PROCESS_UNLOCK (1 << 0)
@ -105,9 +106,11 @@ static void dump_extent_io_tree(const struct extent_io_tree *tree)
}
}
static int test_find_delalloc(u32 sectorsize)
static int test_find_delalloc(u32 sectorsize, u32 nodesize)
{
struct inode *inode;
struct btrfs_fs_info *fs_info;
struct btrfs_root *root = NULL;
struct inode *inode = NULL;
struct extent_io_tree *tmp;
struct page *page;
struct page *locked_page = NULL;
@ -121,12 +124,27 @@ static int test_find_delalloc(u32 sectorsize)
test_msg("running find delalloc tests");
fs_info = btrfs_alloc_dummy_fs_info(nodesize, sectorsize);
if (!fs_info) {
test_std_err(TEST_ALLOC_FS_INFO);
return -ENOMEM;
}
root = btrfs_alloc_dummy_root(fs_info);
if (IS_ERR(root)) {
test_std_err(TEST_ALLOC_ROOT);
ret = PTR_ERR(root);
goto out;
}
inode = btrfs_new_test_inode();
if (!inode) {
test_std_err(TEST_ALLOC_INODE);
return -ENOMEM;
ret = -ENOMEM;
goto out;
}
tmp = &BTRFS_I(inode)->io_tree;
BTRFS_I(inode)->root = root;
/*
* Passing NULL as we don't have fs_info but tracepoints are not used
@ -316,6 +334,8 @@ out:
process_page_range(inode, 0, total_dirty - 1,
PROCESS_UNLOCK | PROCESS_RELEASE);
iput(inode);
btrfs_free_dummy_root(root);
btrfs_free_dummy_fs_info(fs_info);
return ret;
}
@ -794,7 +814,7 @@ int btrfs_test_extent_io(u32 sectorsize, u32 nodesize)
test_msg("running extent I/O tests");
ret = test_find_delalloc(sectorsize);
ret = test_find_delalloc(sectorsize, nodesize);
if (ret)
goto out;