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authorDimitri John Ledkov <xnox@ubuntu.com>2017-07-31 14:54:24 +0100
committerDimitri John Ledkov <xnox@ubuntu.com>2017-07-31 14:54:24 +0100
commit6a0440391da7a99ffab94ccc66264af9b5f3ce34 (patch)
tree1c7cf4f07b08c4965ab19819ebce367be16fb980 /chunk-recover.c
parent5f2e2384443a09e3f1fec71940e9e32b70789102 (diff)
New upstream release.
Diffstat (limited to 'chunk-recover.c')
-rw-r--r--chunk-recover.c46
1 files changed, 21 insertions, 25 deletions
diff --git a/chunk-recover.c b/chunk-recover.c
index e6b26ac3..f1fa7504 100644
--- a/chunk-recover.c
+++ b/chunk-recover.c
@@ -942,11 +942,12 @@ static int build_device_map_by_chunk_record(struct btrfs_root *root,
u64 devid;
u8 uuid[BTRFS_UUID_SIZE];
u16 num_stripes;
+ struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_mapping_tree *map_tree;
struct map_lookup *map;
struct stripe *stripe;
- map_tree = &root->fs_info->mapping_tree;
+ map_tree = &fs_info->mapping_tree;
num_stripes = chunk->num_stripes;
map = malloc(btrfs_map_lookup_size(num_stripes));
if (!map)
@@ -965,7 +966,7 @@ static int build_device_map_by_chunk_record(struct btrfs_root *root,
devid = stripe->devid;
memcpy(uuid, stripe->dev_uuid, BTRFS_UUID_SIZE);
map->stripes[i].physical = stripe->offset;
- map->stripes[i].dev = btrfs_find_device(root, devid,
+ map->stripes[i].dev = btrfs_find_device(fs_info, devid,
uuid, NULL);
if (!map->stripes[i].dev) {
free(map);
@@ -1070,7 +1071,7 @@ again:
key.type == BTRFS_METADATA_ITEM_KEY) {
old_val = btrfs_super_bytes_used(fs_info->super_copy);
if (key.type == BTRFS_METADATA_ITEM_KEY)
- old_val += root->nodesize;
+ old_val += fs_info->nodesize;
else
old_val += key.offset;
btrfs_set_super_bytes_used(fs_info->super_copy,
@@ -1086,7 +1087,7 @@ again:
if (key.objectid < end) {
if (key.type == BTRFS_BLOCK_GROUP_ITEM_KEY) {
- key.objectid += root->sectorsize;
+ key.objectid += fs_info->sectorsize;
key.type = BTRFS_EXTENT_ITEM_KEY;
key.offset = 0;
}
@@ -1115,8 +1116,8 @@ static int block_group_free_all_extent(struct btrfs_root *root,
end = start + cache->key.offset - 1;
set_extent_bits(&info->block_group_cache, start, end,
- BLOCK_GROUP_DIRTY, GFP_NOFS);
- set_extent_dirty(&info->free_space_cache, start, end, GFP_NOFS);
+ BLOCK_GROUP_DIRTY);
+ set_extent_dirty(&info->free_space_cache, start, end);
btrfs_set_block_group_used(&cache->item, 0);
@@ -1163,7 +1164,7 @@ static int __rebuild_chunk_root(struct btrfs_trans_handle *trans,
btrfs_set_disk_key_type(&disk_key, BTRFS_DEV_ITEM_KEY);
btrfs_set_disk_key_offset(&disk_key, min_devid);
- cow = btrfs_alloc_free_block(trans, root, root->nodesize,
+ cow = btrfs_alloc_free_block(trans, root, root->fs_info->nodesize,
BTRFS_CHUNK_TREE_OBJECTID,
&disk_key, 0, 0, 0);
btrfs_set_header_bytenr(cow, cow->start);
@@ -1286,13 +1287,14 @@ static int rebuild_chunk_tree(struct btrfs_trans_handle *trans,
static int rebuild_sys_array(struct recover_control *rc,
struct btrfs_root *root)
{
+ struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_chunk *chunk;
struct btrfs_key key;
struct chunk_record *chunk_rec;
int ret = 0;
u16 num_stripes;
- btrfs_set_super_sys_array_size(root->fs_info->super_copy, 0);
+ btrfs_set_super_sys_array_size(fs_info->super_copy, 0);
list_for_each_entry(chunk_rec, &rc->good_chunks, list) {
if (!(chunk_rec->type_flags & BTRFS_BLOCK_GROUP_SYSTEM))
@@ -1309,7 +1311,7 @@ static int rebuild_sys_array(struct recover_control *rc,
key.type = BTRFS_CHUNK_ITEM_KEY;
key.offset = chunk_rec->offset;
- ret = btrfs_add_system_chunk(NULL, root, &key, chunk,
+ ret = btrfs_add_system_chunk(fs_info, &key, chunk,
btrfs_chunk_item_size(num_stripes));
free(chunk);
if (ret)
@@ -1340,7 +1342,7 @@ static int calculate_bg_used(struct btrfs_root *extent_root,
found_key.type != BTRFS_EXTENT_DATA_KEY)
goto next;
if (found_key.type == BTRFS_METADATA_ITEM_KEY)
- used_ret += extent_root->nodesize;
+ used_ret += extent_root->fs_info->nodesize;
else
used_ret += found_key.offset;
next:
@@ -1448,10 +1450,6 @@ open_ctree_with_broken_chunk(struct recover_control *rc)
struct btrfs_fs_info *fs_info;
struct btrfs_super_block *disk_super;
struct extent_buffer *eb;
- u32 sectorsize;
- u32 nodesize;
- u32 leafsize;
- u32 stripesize;
int ret;
fs_info = btrfs_new_fs_info(1, BTRFS_SUPER_INFO_OFFSET);
@@ -1476,18 +1474,16 @@ open_ctree_with_broken_chunk(struct recover_control *rc)
}
memcpy(fs_info->fsid, &disk_super->fsid, BTRFS_FSID_SIZE);
+ fs_info->sectorsize = btrfs_super_sectorsize(disk_super);
+ fs_info->nodesize = btrfs_super_nodesize(disk_super);
+ fs_info->stripesize = btrfs_super_stripesize(disk_super);
ret = btrfs_check_fs_compatibility(disk_super, OPEN_CTREE_WRITES);
if (ret)
goto out_devices;
- nodesize = btrfs_super_nodesize(disk_super);
- leafsize = btrfs_super_leafsize(disk_super);
- sectorsize = btrfs_super_sectorsize(disk_super);
- stripesize = btrfs_super_stripesize(disk_super);
-
- btrfs_setup_root(nodesize, leafsize, sectorsize, stripesize,
- fs_info->chunk_root, fs_info, BTRFS_CHUNK_TREE_OBJECTID);
+ btrfs_setup_root(fs_info->chunk_root, fs_info,
+ BTRFS_CHUNK_TREE_OBJECTID);
ret = build_device_maps_by_chunk_records(rc, fs_info->chunk_root);
if (ret)
@@ -1839,7 +1835,7 @@ static int next_csum(struct btrfs_root *root,
int ret = 0;
struct btrfs_root *csum_root = root->fs_info->csum_root;
struct btrfs_csum_item *csum_item;
- u32 blocksize = root->sectorsize;
+ u32 blocksize = root->fs_info->sectorsize;
u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
int csums_in_item = btrfs_item_size_nr(*leaf, *slot) / csum_size;
@@ -1911,7 +1907,7 @@ static int check_one_csum(int fd, u64 start, u32 len, u32 tree_csum)
goto out;
}
ret = 0;
- csum_result = btrfs_csum_data(NULL, data, csum_result, len);
+ csum_result = btrfs_csum_data(data, csum_result, len);
btrfs_csum_final(csum_result, (u8 *)&csum_result);
if (csum_result != tree_csum)
ret = 1;
@@ -1922,7 +1918,7 @@ out:
static u64 item_end_offset(struct btrfs_root *root, struct btrfs_key *key,
struct extent_buffer *leaf, int slot) {
- u32 blocksize = root->sectorsize;
+ u32 blocksize = root->fs_info->sectorsize;
u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy);
u64 offset = btrfs_item_size_nr(leaf, slot);
@@ -2012,7 +2008,7 @@ static int rebuild_raid_data_chunk_stripes(struct recover_control *rc,
u64 chunk_end = chunk->offset + chunk->length;
u64 csum_offset = 0;
u64 data_offset;
- u32 blocksize = root->sectorsize;
+ u32 blocksize = root->fs_info->sectorsize;
u32 tree_csum;
int index = 0;
int num_unordered = 0;