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Btrfs: add sanity tests for new qgroup accounting code

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This exercises the various parts of the new qgroup accounting code.  We do some
basic stuff and do some things with the shared refs to make sure all that code
works.  I had to add a bunch of infrastructure because I needed to be able to
insert items into a fake tree without having to do all the hard work myself,
hopefully this will be usefull in the future.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Josef Bacik
2014-05-07 17:06:09 -04:00
committed by Chris Mason
parent fcebe4562d
commit faa2dbf004
16 changed files with 700 additions and 37 deletions
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35
fs/btrfs/tests/inode-tests.c
View File

@@ -23,33 +23,6 @@
#include "../extent_io.h"
#include "../volumes.h"
static struct btrfs_fs_info *alloc_dummy_fs_info(void)
{
struct btrfs_fs_info *fs_info = kzalloc(sizeof(struct btrfs_fs_info),
GFP_NOFS);
if (!fs_info)
return fs_info;
fs_info->fs_devices = kzalloc(sizeof(struct btrfs_fs_devices),
GFP_NOFS);
if (!fs_info->fs_devices) {
kfree(fs_info);
return NULL;
}
return fs_info;
}
static void free_dummy_root(struct btrfs_root *root)
{
if (!root)
return;
if (root->fs_info) {
kfree(root->fs_info->fs_devices);
kfree(root->fs_info);
}
if (root->node)
free_extent_buffer(root->node);
kfree(root);
}
static void insert_extent(struct btrfs_root *root, u64 start, u64 len,
u64 ram_bytes, u64 offset, u64 disk_bytenr,
u64 disk_len, u32 type, u8 compression, int slot)
@@ -276,7 +249,7 @@ static noinline int test_btrfs_get_extent(void)
* We do this since btrfs_get_extent wants to assign em->bdev to
* root->fs_info->fs_devices->latest_bdev.
*/
root->fs_info = alloc_dummy_fs_info();
root->fs_info = btrfs_alloc_dummy_fs_info();
if (!root->fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
goto out;
@@ -837,7 +810,7 @@ out:
if (!IS_ERR(em))
free_extent_map(em);
iput(inode);
free_dummy_root(root);
btrfs_free_dummy_root(root);
return ret;
}
@@ -864,7 +837,7 @@ static int test_hole_first(void)
goto out;
}
root->fs_info = alloc_dummy_fs_info();
root->fs_info = btrfs_alloc_dummy_fs_info();
if (!root->fs_info) {
test_msg("Couldn't allocate dummy fs info\n");
goto out;
@@ -934,7 +907,7 @@ out:
if (!IS_ERR(em))
free_extent_map(em);
iput(inode);
free_dummy_root(root);
btrfs_free_dummy_root(root);
return ret;
}