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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c65
1 files changed, 36 insertions, 29 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1eb69a91b72..8af39521eb7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2147,6 +2147,9 @@ static int noinline find_free_extent(struct btrfs_trans_handle *trans,
total_needed += empty_size;
block_group = btrfs_lookup_block_group(root->fs_info, search_start);
+ if (!block_group)
+ block_group = btrfs_lookup_first_block_group(root->fs_info,
+ search_start);
space_info = __find_space_info(root->fs_info, data);
down_read(&space_info->groups_sem);
@@ -3426,9 +3429,7 @@ walk_down:
next:
level--;
btrfs_release_path(extent_root, path);
- if (need_resched()) {
- cond_resched();
- }
+ cond_resched();
}
/* reached lowest level */
ret = 1;
@@ -3539,9 +3540,7 @@ found:
}
btrfs_release_path(extent_root, path);
- if (need_resched()) {
- cond_resched();
- }
+ cond_resched();
}
/* reached max tree level, but no tree root found. */
BUG();
@@ -3654,8 +3653,9 @@ static int noinline get_new_locations(struct inode *reloc_inode,
exts[nr].encryption = btrfs_file_extent_encryption(leaf, fi);
exts[nr].other_encoding = btrfs_file_extent_other_encoding(leaf,
fi);
- WARN_ON(exts[nr].offset > 0);
- WARN_ON(exts[nr].num_bytes != exts[nr].disk_num_bytes);
+ BUG_ON(exts[nr].offset > 0);
+ BUG_ON(exts[nr].compression || exts[nr].encryption);
+ BUG_ON(exts[nr].num_bytes != exts[nr].disk_num_bytes);
cur_pos += exts[nr].num_bytes;
nr++;
@@ -3709,6 +3709,7 @@ static int noinline replace_one_extent(struct btrfs_trans_handle *trans,
u32 nritems;
int nr_scaned = 0;
int extent_locked = 0;
+ int extent_type;
int ret;
memcpy(&key, leaf_key, sizeof(key));
@@ -3781,8 +3782,9 @@ next:
}
fi = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_file_extent_item);
- if ((btrfs_file_extent_type(leaf, fi) !=
- BTRFS_FILE_EXTENT_REG) ||
+ extent_type = btrfs_file_extent_type(leaf, fi);
+ if ((extent_type != BTRFS_FILE_EXTENT_REG &&
+ extent_type != BTRFS_FILE_EXTENT_PREALLOC) ||
(btrfs_file_extent_disk_bytenr(leaf, fi) !=
extent_key->objectid)) {
path->slots[0]++;
@@ -3865,16 +3867,10 @@ next:
if (nr_extents == 1) {
/* update extent pointer in place */
- btrfs_set_file_extent_generation(leaf, fi,
- trans->transid);
btrfs_set_file_extent_disk_bytenr(leaf, fi,
new_extents[0].disk_bytenr);
btrfs_set_file_extent_disk_num_bytes(leaf, fi,
new_extents[0].disk_num_bytes);
- btrfs_set_file_extent_ram_bytes(leaf, fi,
- new_extents[0].ram_bytes);
- ext_offset += new_extents[0].offset;
- btrfs_set_file_extent_offset(leaf, fi, ext_offset);
btrfs_mark_buffer_dirty(leaf);
btrfs_drop_extent_cache(inode, key.offset,
@@ -3901,6 +3897,8 @@ next:
btrfs_release_path(root, path);
key.offset += num_bytes;
} else {
+ BUG_ON(1);
+#if 0
u64 alloc_hint;
u64 extent_len;
int i;
@@ -3977,6 +3975,7 @@ next:
break;
}
BUG_ON(i >= nr_extents);
+#endif
}
if (extent_locked) {
@@ -4156,15 +4155,10 @@ static int noinline replace_extents_in_leaf(struct btrfs_trans_handle *trans,
ref->extents[ext_index].bytenr = new_extent->disk_bytenr;
ref->extents[ext_index].num_bytes = new_extent->disk_num_bytes;
- btrfs_set_file_extent_generation(leaf, fi, trans->transid);
- btrfs_set_file_extent_ram_bytes(leaf, fi,
- new_extent->ram_bytes);
btrfs_set_file_extent_disk_bytenr(leaf, fi,
new_extent->disk_bytenr);
btrfs_set_file_extent_disk_num_bytes(leaf, fi,
new_extent->disk_num_bytes);
- new_extent->offset += btrfs_file_extent_offset(leaf, fi);
- btrfs_set_file_extent_offset(leaf, fi, new_extent->offset);
btrfs_mark_buffer_dirty(leaf);
ret = btrfs_inc_extent_ref(trans, root,
@@ -4625,12 +4619,15 @@ static int noinline relocate_one_extent(struct btrfs_root *extent_root,
*/
if (!new_extents) {
u64 group_start = group->key.objectid;
+ new_extents = kmalloc(sizeof(*new_extents),
+ GFP_NOFS);
+ nr_extents = 1;
ret = get_new_locations(reloc_inode,
extent_key,
- group_start, 0,
+ group_start, 1,
&new_extents,
&nr_extents);
- if (ret < 0)
+ if (ret)
goto out;
}
btrfs_record_root_in_trans(found_root);
@@ -4762,7 +4759,8 @@ static int __insert_orphan_inode(struct btrfs_trans_handle *trans,
btrfs_set_inode_generation(leaf, item, 1);
btrfs_set_inode_size(leaf, item, size);
btrfs_set_inode_mode(leaf, item, S_IFREG | 0600);
- btrfs_set_inode_flags(leaf, item, BTRFS_INODE_NODATASUM);
+ btrfs_set_inode_flags(leaf, item, BTRFS_INODE_NODATASUM |
+ BTRFS_INODE_NOCOMPRESS);
btrfs_mark_buffer_dirty(leaf);
btrfs_release_path(root, path);
out:
@@ -4835,6 +4833,7 @@ int btrfs_relocate_block_group(struct btrfs_root *root, u64 group_start)
struct inode *reloc_inode;
struct btrfs_block_group_cache *block_group;
struct btrfs_key key;
+ u64 skipped;
u64 cur_byte;
u64 total_found;
u32 nritems;
@@ -4864,6 +4863,7 @@ int btrfs_relocate_block_group(struct btrfs_root *root, u64 group_start)
btrfs_start_delalloc_inodes(info->tree_root);
btrfs_wait_ordered_extents(info->tree_root, 0);
again:
+ skipped = 0;
total_found = 0;
progress = 0;
key.objectid = block_group->key.objectid;
@@ -4926,6 +4926,8 @@ next:
ret = relocate_one_extent(root, path, &key, block_group,
reloc_inode, pass);
BUG_ON(ret < 0);
+ if (ret > 0)
+ skipped++;
key.objectid = cur_byte;
key.type = 0;
@@ -4944,6 +4946,11 @@ next:
printk("btrfs found %llu extents in pass %d\n",
(unsigned long long)total_found, pass);
pass++;
+ if (total_found == skipped && pass > 2) {
+ iput(reloc_inode);
+ reloc_inode = create_reloc_inode(info, block_group);
+ pass = 0;
+ }
goto again;
}
@@ -5011,17 +5018,17 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
while ((n = rb_last(&info->block_group_cache_tree)) != NULL) {
block_group = rb_entry(n, struct btrfs_block_group_cache,
cache_node);
-
- spin_unlock(&info->block_group_cache_lock);
- btrfs_remove_free_space_cache(block_group);
- spin_lock(&info->block_group_cache_lock);
-
rb_erase(&block_group->cache_node,
&info->block_group_cache_tree);
+ spin_unlock(&info->block_group_cache_lock);
+
+ btrfs_remove_free_space_cache(block_group);
down_write(&block_group->space_info->groups_sem);
list_del(&block_group->list);
up_write(&block_group->space_info->groups_sem);
kfree(block_group);
+
+ spin_lock(&info->block_group_cache_lock);
}
spin_unlock(&info->block_group_cache_lock);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-17 12:11:11 +0000