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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /fs/btrfs/tests/extent-map-tests.c
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/btrfs/tests/extent-map-tests.c')
-rw-r--r--fs/btrfs/tests/extent-map-tests.c148
1 files changed, 77 insertions, 71 deletions
diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index 29bdd08b24..47b5d30103 100644
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -25,7 +25,7 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
#ifdef CONFIG_BTRFS_DEBUG
if (refcount_read(&em->refs) != 1) {
test_err(
-"em leak: em (start 0x%llx len 0x%llx block_start 0x%llx block_len 0x%llx) refs %d",
+"em leak: em (start %llu len %llu block_start %llu block_len %llu) refs %d",
em->start, em->len, em->block_start,
em->block_len, refcount_read(&em->refs));
@@ -73,7 +73,7 @@ static int test_case_1(struct btrfs_fs_info *fs_info,
em->block_start = 0;
em->block_len = SZ_16K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [0, 16K)");
@@ -94,7 +94,7 @@ static int test_case_1(struct btrfs_fs_info *fs_info,
em->block_start = SZ_32K; /* avoid merging */
em->block_len = SZ_4K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [16K, 20K)");
@@ -121,9 +121,14 @@ static int test_case_1(struct btrfs_fs_info *fs_info,
test_err("case1 [%llu %llu]: ret %d", start, start + len, ret);
goto out;
}
- if (em &&
- (em->start != 0 || extent_map_end(em) != SZ_16K ||
- em->block_start != 0 || em->block_len != SZ_16K)) {
+ if (!em) {
+ test_err("case1 [%llu %llu]: no extent map returned",
+ start, start + len);
+ ret = -ENOENT;
+ goto out;
+ }
+ if (em->start != 0 || extent_map_end(em) != SZ_16K ||
+ em->block_start != 0 || em->block_len != SZ_16K) {
test_err(
"case1 [%llu %llu]: ret %d return a wrong em (start %llu len %llu block_start %llu block_len %llu",
start, start + len, ret, em->start, em->len,
@@ -161,7 +166,7 @@ static int test_case_2(struct btrfs_fs_info *fs_info,
em->block_start = EXTENT_MAP_INLINE;
em->block_len = (u64)-1;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [0, 1K)");
@@ -182,7 +187,7 @@ static int test_case_2(struct btrfs_fs_info *fs_info,
em->block_start = SZ_4K;
em->block_len = SZ_4K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [4K, 8K)");
@@ -209,9 +214,13 @@ static int test_case_2(struct btrfs_fs_info *fs_info,
test_err("case2 [0 1K]: ret %d", ret);
goto out;
}
- if (em &&
- (em->start != 0 || extent_map_end(em) != SZ_1K ||
- em->block_start != EXTENT_MAP_INLINE || em->block_len != (u64)-1)) {
+ if (!em) {
+ test_err("case2 [0 1K]: no extent map returned");
+ ret = -ENOENT;
+ goto out;
+ }
+ if (em->start != 0 || extent_map_end(em) != SZ_1K ||
+ em->block_start != EXTENT_MAP_INLINE || em->block_len != (u64)-1) {
test_err(
"case2 [0 1K]: ret %d return a wrong em (start %llu len %llu block_start %llu block_len %llu",
ret, em->start, em->len, em->block_start,
@@ -244,7 +253,7 @@ static int __test_case_3(struct btrfs_fs_info *fs_info,
em->block_start = SZ_4K;
em->block_len = SZ_4K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [4K, 8K)");
@@ -268,19 +277,24 @@ static int __test_case_3(struct btrfs_fs_info *fs_info,
ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
write_unlock(&em_tree->lock);
if (ret) {
- test_err("case3 [0x%llx 0x%llx): ret %d",
+ test_err("case3 [%llu %llu): ret %d",
start, start + len, ret);
goto out;
}
+ if (!em) {
+ test_err("case3 [%llu %llu): no extent map returned",
+ start, start + len);
+ ret = -ENOENT;
+ goto out;
+ }
/*
* Since bytes within em are contiguous, em->block_start is identical to
* em->start.
*/
- if (em &&
- (start < em->start || start + len > extent_map_end(em) ||
- em->start != em->block_start || em->len != em->block_len)) {
+ if (start < em->start || start + len > extent_map_end(em) ||
+ em->start != em->block_start || em->len != em->block_len) {
test_err(
-"case3 [0x%llx 0x%llx): ret %d em (start 0x%llx len 0x%llx block_start 0x%llx block_len 0x%llx)",
+"case3 [%llu %llu): ret %d em (start %llu len %llu block_start %llu block_len %llu)",
start, start + len, ret, em->start, em->len,
em->block_start, em->block_len);
ret = -EINVAL;
@@ -343,7 +357,7 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
em->block_start = 0;
em->block_len = SZ_8K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [0, 8K)");
@@ -364,7 +378,7 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
em->block_start = SZ_16K; /* avoid merging */
em->block_len = 24 * SZ_1K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("cannot add extent range [8K, 32K)");
@@ -387,14 +401,20 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
write_unlock(&em_tree->lock);
if (ret) {
- test_err("case4 [0x%llx 0x%llx): ret %d",
- start, len, ret);
+ test_err("case4 [%llu %llu): ret %d",
+ start, start + len, ret);
goto out;
}
- if (em && (start < em->start || start + len > extent_map_end(em))) {
+ if (!em) {
+ test_err("case4 [%llu %llu): no extent map returned",
+ start, start + len);
+ ret = -ENOENT;
+ goto out;
+ }
+ if (start < em->start || start + len > extent_map_end(em)) {
test_err(
-"case4 [0x%llx 0x%llx): ret %d, added wrong em (start 0x%llx len 0x%llx block_start 0x%llx block_len 0x%llx)",
- start, len, ret, em->start, em->len, em->block_start,
+"case4 [%llu %llu): ret %d, added wrong em (start %llu len %llu block_start %llu block_len %llu)",
+ start, start + len, ret, em->start, em->len, em->block_start,
em->block_len);
ret = -EINVAL;
}
@@ -443,7 +463,8 @@ static int test_case_4(struct btrfs_fs_info *fs_info,
return ret;
}
-static int add_compressed_extent(struct extent_map_tree *em_tree,
+static int add_compressed_extent(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree,
u64 start, u64 len, u64 block_start)
{
struct extent_map *em;
@@ -459,9 +480,9 @@ static int add_compressed_extent(struct extent_map_tree *em_tree,
em->len = len;
em->block_start = block_start;
em->block_len = SZ_4K;
- set_bit(EXTENT_FLAG_COMPRESSED, &em->flags);
+ em->flags |= EXTENT_FLAG_COMPRESS_ZLIB;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
free_extent_map(em);
if (ret < 0) {
@@ -567,7 +588,7 @@ static int validate_range(struct extent_map_tree *em_tree, int index)
* They'll have the EXTENT_FLAG_COMPRESSED flag set to keep the em tree from
* merging the em's.
*/
-static int test_case_5(void)
+static int test_case_5(struct btrfs_fs_info *fs_info)
{
struct extent_map_tree *em_tree;
struct inode *inode;
@@ -585,35 +606,35 @@ static int test_case_5(void)
em_tree = &BTRFS_I(inode)->extent_tree;
/* [0, 12k) */
- ret = add_compressed_extent(em_tree, 0, SZ_4K * 3, 0);
+ ret = add_compressed_extent(fs_info, em_tree, 0, SZ_4K * 3, 0);
if (ret) {
test_err("cannot add extent range [0, 12K)");
goto out;
}
/* [12k, 24k) */
- ret = add_compressed_extent(em_tree, SZ_4K * 3, SZ_4K * 3, SZ_4K);
+ ret = add_compressed_extent(fs_info, em_tree, SZ_4K * 3, SZ_4K * 3, SZ_4K);
if (ret) {
test_err("cannot add extent range [12k, 24k)");
goto out;
}
/* [24k, 36k) */
- ret = add_compressed_extent(em_tree, SZ_4K * 6, SZ_4K * 3, SZ_8K);
+ ret = add_compressed_extent(fs_info, em_tree, SZ_4K * 6, SZ_4K * 3, SZ_8K);
if (ret) {
test_err("cannot add extent range [12k, 24k)");
goto out;
}
/* [36k, 40k) */
- ret = add_compressed_extent(em_tree, SZ_32K + SZ_4K, SZ_4K, SZ_4K * 3);
+ ret = add_compressed_extent(fs_info, em_tree, SZ_32K + SZ_4K, SZ_4K, SZ_4K * 3);
if (ret) {
test_err("cannot add extent range [12k, 24k)");
goto out;
}
/* [40k, 64k) */
- ret = add_compressed_extent(em_tree, SZ_4K * 10, SZ_4K * 6, SZ_16K);
+ ret = add_compressed_extent(fs_info, em_tree, SZ_4K * 10, SZ_4K * 6, SZ_16K);
if (ret) {
test_err("cannot add extent range [12k, 24k)");
goto out;
@@ -665,11 +686,11 @@ static int test_case_6(struct btrfs_fs_info *fs_info, struct extent_map_tree *em
struct extent_map *em = NULL;
int ret;
- ret = add_compressed_extent(em_tree, 0, SZ_4K, 0);
+ ret = add_compressed_extent(fs_info, em_tree, 0, SZ_4K, 0);
if (ret)
goto out;
- ret = add_compressed_extent(em_tree, SZ_4K, SZ_4K, 0);
+ ret = add_compressed_extent(fs_info, em_tree, SZ_4K, SZ_4K, 0);
if (ret)
goto out;
@@ -713,7 +734,7 @@ out:
* true would mess up the start/end calculations and subsequent splits would be
* incorrect.
*/
-static int test_case_7(void)
+static int test_case_7(struct btrfs_fs_info *fs_info)
{
struct extent_map_tree *em_tree;
struct extent_map *em;
@@ -742,9 +763,9 @@ static int test_case_7(void)
em->len = SZ_16K;
em->block_start = 0;
em->block_len = SZ_4K;
- set_bit(EXTENT_FLAG_PINNED, &em->flags);
+ em->flags |= EXTENT_FLAG_PINNED;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("couldn't add extent map");
@@ -765,7 +786,7 @@ static int test_case_7(void)
em->block_start = SZ_32K;
em->block_len = SZ_16K;
write_lock(&em_tree->lock);
- ret = add_extent_mapping(em_tree, em, 0);
+ ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, em->start, em->len);
write_unlock(&em_tree->lock);
if (ret < 0) {
test_err("couldn't add extent map");
@@ -826,6 +847,11 @@ static int test_case_7(void)
goto out;
}
+ if (em->block_start != SZ_32K + SZ_4K) {
+ test_err("em->block_start is %llu, expected 36K", em->block_start);
+ goto out;
+ }
+
free_extent_map(em);
read_lock(&em_tree->lock);
@@ -859,33 +885,21 @@ struct rmap_test_vector {
static int test_rmap_block(struct btrfs_fs_info *fs_info,
struct rmap_test_vector *test)
{
- struct extent_map *em;
- struct map_lookup *map = NULL;
+ struct btrfs_chunk_map *map;
u64 *logical = NULL;
int i, out_ndaddrs, out_stripe_len;
int ret;
- em = alloc_extent_map();
- if (!em) {
- test_std_err(TEST_ALLOC_EXTENT_MAP);
- return -ENOMEM;
- }
-
- map = kmalloc(map_lookup_size(test->num_stripes), GFP_KERNEL);
+ map = btrfs_alloc_chunk_map(test->num_stripes, GFP_KERNEL);
if (!map) {
- kfree(em);
- test_std_err(TEST_ALLOC_EXTENT_MAP);
+ test_std_err(TEST_ALLOC_CHUNK_MAP);
return -ENOMEM;
}
- set_bit(EXTENT_FLAG_FS_MAPPING, &em->flags);
/* Start at 4GiB logical address */
- em->start = SZ_4G;
- em->len = test->data_stripe_size * test->num_data_stripes;
- em->block_len = em->len;
- em->orig_block_len = test->data_stripe_size;
- em->map_lookup = map;
-
+ map->start = SZ_4G;
+ map->chunk_len = test->data_stripe_size * test->num_data_stripes;
+ map->stripe_size = test->data_stripe_size;
map->num_stripes = test->num_stripes;
map->type = test->raid_type;
@@ -901,15 +915,13 @@ static int test_rmap_block(struct btrfs_fs_info *fs_info,
map->stripes[i].physical = test->data_stripe_phys_start[i];
}
- write_lock(&fs_info->mapping_tree.lock);
- ret = add_extent_mapping(&fs_info->mapping_tree, em, 0);
- write_unlock(&fs_info->mapping_tree.lock);
+ ret = btrfs_add_chunk_map(fs_info, map);
if (ret) {
- test_err("error adding block group mapping to mapping tree");
+ test_err("error adding chunk map to mapping tree");
goto out_free;
}
- ret = btrfs_rmap_block(fs_info, em->start, btrfs_sb_offset(1),
+ ret = btrfs_rmap_block(fs_info, map->start, btrfs_sb_offset(1),
&logical, &out_ndaddrs, &out_stripe_len);
if (ret || (out_ndaddrs == 0 && test->expected_mapped_addr)) {
test_err("didn't rmap anything but expected %d",
@@ -938,14 +950,8 @@ static int test_rmap_block(struct btrfs_fs_info *fs_info,
ret = 0;
out:
- write_lock(&fs_info->mapping_tree.lock);
- remove_extent_mapping(&fs_info->mapping_tree, em);
- write_unlock(&fs_info->mapping_tree.lock);
- /* For us */
- free_extent_map(em);
+ btrfs_remove_chunk_map(fs_info, map);
out_free:
- /* For the tree */
- free_extent_map(em);
kfree(logical);
return ret;
}
@@ -1022,13 +1028,13 @@ int btrfs_test_extent_map(void)
ret = test_case_4(fs_info, em_tree);
if (ret)
goto out;
- ret = test_case_5();
+ ret = test_case_5(fs_info);
if (ret)
goto out;
ret = test_case_6(fs_info, em_tree);
if (ret)
goto out;
- ret = test_case_7();
+ ret = test_case_7(fs_info);
if (ret)
goto out;