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Diffstat (limited to 'fs/btrfs/relocation.c')
-rw-r--r--fs/btrfs/relocation.c52
1 files changed, 25 insertions, 27 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 00504657b602..d897a8e5e430 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -147,7 +147,7 @@ struct file_extent_cluster {
struct reloc_control {
/* block group to relocate */
- struct btrfs_block_group_cache *block_group;
+ struct btrfs_block_group *block_group;
/* extent tree */
struct btrfs_root *extent_root;
/* inode for moving data */
@@ -1560,11 +1560,10 @@ again:
return NULL;
}
-static int in_block_group(u64 bytenr,
- struct btrfs_block_group_cache *block_group)
+static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group)
{
- if (bytenr >= block_group->key.objectid &&
- bytenr < block_group->key.objectid + block_group->key.offset)
+ if (bytenr >= block_group->start &&
+ bytenr < block_group->start + block_group->length)
return 1;
return 0;
}
@@ -2246,7 +2245,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
if (btrfs_disk_key_objectid(&root_item->drop_progress) == 0) {
level = btrfs_root_level(root_item);
- extent_buffer_get(reloc_root->node);
+ atomic_inc(&reloc_root->node->refs);
path->nodes[level] = reloc_root->node;
path->slots[level] = 0;
} else {
@@ -3195,7 +3194,6 @@ static noinline_for_stack
int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
u64 block_start)
{
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
struct extent_map *em;
int ret = 0;
@@ -3208,7 +3206,6 @@ int setup_extent_mapping(struct inode *inode, u64 start, u64 end,
em->len = end + 1 - start;
em->block_len = em->len;
em->block_start = block_start;
- em->bdev = fs_info->fs_devices->latest_bdev;
set_bit(EXTENT_FLAG_PINNED, &em->flags);
lock_extent(&BTRFS_I(inode)->io_tree, start, end);
@@ -3277,6 +3274,8 @@ static int relocate_file_extent_cluster(struct inode *inode,
if (!page) {
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode),
+ PAGE_SIZE);
ret = -ENOMEM;
goto out;
}
@@ -3297,7 +3296,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
btrfs_delalloc_release_extents(BTRFS_I(inode),
- PAGE_SIZE, true);
+ PAGE_SIZE);
ret = -EIO;
goto out;
}
@@ -3326,7 +3325,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
btrfs_delalloc_release_extents(BTRFS_I(inode),
- PAGE_SIZE, true);
+ PAGE_SIZE);
clear_extent_bits(&BTRFS_I(inode)->io_tree,
page_start, page_end,
@@ -3342,8 +3341,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
put_page(page);
index++;
- btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE,
- false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
balance_dirty_pages_ratelimited(inode->i_mapping);
btrfs_throttle(fs_info);
}
@@ -3543,7 +3541,7 @@ static int block_use_full_backref(struct reloc_control *rc,
}
static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
- struct btrfs_block_group_cache *block_group,
+ struct btrfs_block_group *block_group,
struct inode *inode,
u64 ino)
{
@@ -3559,7 +3557,7 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, root, NULL);
+ inode = btrfs_iget(fs_info->sb, &key, root);
if (IS_ERR(inode))
return -ENOENT;
@@ -3862,7 +3860,7 @@ int find_next_extent(struct reloc_control *rc, struct btrfs_path *path,
u64 start, end, last;
int ret;
- last = rc->block_group->key.objectid + rc->block_group->key.offset;
+ last = rc->block_group->start + rc->block_group->length;
while (1) {
cond_resched();
if (rc->search_start >= last) {
@@ -3979,7 +3977,7 @@ int prepare_to_relocate(struct reloc_control *rc)
return -ENOMEM;
memset(&rc->cluster, 0, sizeof(rc->cluster));
- rc->search_start = rc->block_group->key.objectid;
+ rc->search_start = rc->block_group->start;
rc->extents_found = 0;
rc->nodes_relocated = 0;
rc->merging_rsv_size = 0;
@@ -4218,7 +4216,7 @@ out:
*/
static noinline_for_stack
struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
- struct btrfs_block_group_cache *group)
+ struct btrfs_block_group *group)
{
struct inode *inode = NULL;
struct btrfs_trans_handle *trans;
@@ -4245,9 +4243,9 @@ struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
key.objectid = objectid;
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, root, NULL);
+ inode = btrfs_iget(fs_info->sb, &key, root);
BUG_ON(IS_ERR(inode));
- BTRFS_I(inode)->index_cnt = group->key.objectid;
+ BTRFS_I(inode)->index_cnt = group->start;
err = btrfs_orphan_add(trans, BTRFS_I(inode));
out:
@@ -4282,7 +4280,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)
* Print the block group being relocated
*/
static void describe_relocation(struct btrfs_fs_info *fs_info,
- struct btrfs_block_group_cache *block_group)
+ struct btrfs_block_group *block_group)
{
char buf[128] = {'\0'};
@@ -4290,7 +4288,7 @@ static void describe_relocation(struct btrfs_fs_info *fs_info,
btrfs_info(fs_info,
"relocating block group %llu flags %s",
- block_group->key.objectid, buf);
+ block_group->start, buf);
}
/*
@@ -4298,7 +4296,7 @@ static void describe_relocation(struct btrfs_fs_info *fs_info,
*/
int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
{
- struct btrfs_block_group_cache *bg;
+ struct btrfs_block_group *bg;
struct btrfs_root *extent_root = fs_info->extent_root;
struct reloc_control *rc;
struct inode *inode;
@@ -4325,7 +4323,7 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
rc->extent_root = extent_root;
rc->block_group = bg;
- ret = btrfs_inc_block_group_ro(rc->block_group);
+ ret = btrfs_inc_block_group_ro(rc->block_group, true);
if (ret) {
err = ret;
goto out;
@@ -4363,8 +4361,8 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
btrfs_wait_block_group_reservations(rc->block_group);
btrfs_wait_nocow_writers(rc->block_group);
btrfs_wait_ordered_roots(fs_info, U64_MAX,
- rc->block_group->key.objectid,
- rc->block_group->key.offset);
+ rc->block_group->start,
+ rc->block_group->length);
while (1) {
mutex_lock(&fs_info->cleaner_mutex);
@@ -4404,7 +4402,7 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
WARN_ON(rc->block_group->pinned > 0);
WARN_ON(rc->block_group->reserved > 0);
- WARN_ON(btrfs_block_group_used(&rc->block_group->item) > 0);
+ WARN_ON(rc->block_group->used > 0);
out:
if (err && rw)
btrfs_dec_block_group_ro(rc->block_group);
@@ -4687,7 +4685,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
node->new_bytenr != buf->start);
drop_node_buffer(node);
- extent_buffer_get(cow);
+ atomic_inc(&cow->refs);
node->eb = cow;
node->new_bytenr = cow->start;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.