6.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: David Sterba dsterba@suse.com
commit b2136cc288fce2f24a92f3d656531b2d50ebec5a upstream.
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: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/btrfs/tests/extent-io-tests.c | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-)
--- a/fs/btrfs/tests/extent-io-tests.c +++ b/fs/btrfs/tests/extent-io-tests.c @@ -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 st } }
-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 sector
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,
test_msg("running extent I/O tests");
- ret = test_find_delalloc(sectorsize); + ret = test_find_delalloc(sectorsize, nodesize); if (ret) goto out;