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-rw-r--r--fs/btrfs/ctree.h6
-rw-r--r--fs/btrfs/inode.c94
2 files changed, 68 insertions, 32 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d404cce8ae40..91a6c2b34c60 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2232,7 +2232,8 @@ static inline unsigned int leaf_data_end(const struct extent_buffer *leaf)
}
/* struct btrfs_file_extent_item */
-BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_type, struct btrfs_file_extent_item,
+ type, 8);
BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr,
struct btrfs_file_extent_item, disk_bytenr, 64);
BTRFS_SETGET_STACK_FUNCS(stack_file_extent_offset,
@@ -2241,6 +2242,8 @@ BTRFS_SETGET_STACK_FUNCS(stack_file_extent_generation,
struct btrfs_file_extent_item, generation, 64);
BTRFS_SETGET_STACK_FUNCS(stack_file_extent_num_bytes,
struct btrfs_file_extent_item, num_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_ram_bytes,
+ struct btrfs_file_extent_item, ram_bytes, 64);
BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_num_bytes,
struct btrfs_file_extent_item, disk_num_bytes, 64);
BTRFS_SETGET_STACK_FUNCS(stack_file_extent_compression,
@@ -2257,6 +2260,7 @@ static inline u32 btrfs_file_extent_calc_inline_size(u32 datasize)
return BTRFS_FILE_EXTENT_INLINE_DATA_START + datasize;
}
+BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8);
BTRFS_SETGET_FUNCS(file_extent_disk_bytenr, struct btrfs_file_extent_item,
disk_bytenr, 64);
BTRFS_SETGET_FUNCS(file_extent_generation, struct btrfs_file_extent_item,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 07d20f634467..0c4f5f796ea6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2467,16 +2467,16 @@ int btrfs_writepage_cow_fixup(struct page *page, u64 start, u64 end)
static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
struct inode *inode, u64 file_pos,
- u64 disk_bytenr, u64 disk_num_bytes,
- u64 num_bytes, u64 ram_bytes,
- u8 compression, u8 encryption,
- u16 other_encoding, int extent_type)
+ struct btrfs_file_extent_item *stack_fi)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
- struct btrfs_file_extent_item *fi;
struct btrfs_path *path;
struct extent_buffer *leaf;
struct btrfs_key ins;
+ u64 disk_num_bytes = btrfs_stack_file_extent_disk_num_bytes(stack_fi);
+ u64 disk_bytenr = btrfs_stack_file_extent_disk_bytenr(stack_fi);
+ u64 num_bytes = btrfs_stack_file_extent_num_bytes(stack_fi);
+ u64 ram_bytes = btrfs_stack_file_extent_ram_bytes(stack_fi);
u64 qg_released;
int extent_inserted = 0;
int ret;
@@ -2496,7 +2496,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
*/
ret = __btrfs_drop_extents(trans, root, inode, path, file_pos,
file_pos + num_bytes, NULL, 0,
- 1, sizeof(*fi), &extent_inserted);
+ 1, sizeof(*stack_fi), &extent_inserted);
if (ret)
goto out;
@@ -2507,23 +2507,15 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans,
path->leave_spinning = 1;
ret = btrfs_insert_empty_item(trans, root, path, &ins,
- sizeof(*fi));
+ sizeof(*stack_fi));
if (ret)
goto out;
}
leaf = path->nodes[0];
- fi = btrfs_item_ptr(leaf, path->slots[0],
- struct btrfs_file_extent_item);
- btrfs_set_file_extent_generation(leaf, fi, trans->transid);
- btrfs_set_file_extent_type(leaf, fi, extent_type);
- btrfs_set_file_extent_disk_bytenr(leaf, fi, disk_bytenr);
- btrfs_set_file_extent_disk_num_bytes(leaf, fi, disk_num_bytes);
- btrfs_set_file_extent_offset(leaf, fi, 0);
- btrfs_set_file_extent_num_bytes(leaf, fi, num_bytes);
- btrfs_set_file_extent_ram_bytes(leaf, fi, ram_bytes);
- btrfs_set_file_extent_compression(leaf, fi, compression);
- btrfs_set_file_extent_encryption(leaf, fi, encryption);
- btrfs_set_file_extent_other_encoding(leaf, fi, other_encoding);
+ btrfs_set_stack_file_extent_generation(stack_fi, trans->transid);
+ write_extent_buffer(leaf, stack_fi,
+ btrfs_item_ptr_offset(leaf, path->slots[0]),
+ sizeof(struct btrfs_file_extent_item));
btrfs_mark_buffer_dirty(leaf);
btrfs_release_path(path);
@@ -2571,7 +2563,33 @@ static void btrfs_release_delalloc_bytes(struct btrfs_fs_info *fs_info,
btrfs_put_block_group(cache);
}
-/* as ordered data IO finishes, this gets called so we can finish
+static int insert_ordered_extent_file_extent(struct btrfs_trans_handle *trans,
+ struct inode *inode,
+ struct btrfs_ordered_extent *oe)
+{
+ struct btrfs_file_extent_item stack_fi;
+ u64 logical_len;
+
+ memset(&stack_fi, 0, sizeof(stack_fi));
+ btrfs_set_stack_file_extent_type(&stack_fi, BTRFS_FILE_EXTENT_REG);
+ btrfs_set_stack_file_extent_disk_bytenr(&stack_fi, oe->disk_bytenr);
+ btrfs_set_stack_file_extent_disk_num_bytes(&stack_fi,
+ oe->disk_num_bytes);
+ if (test_bit(BTRFS_ORDERED_TRUNCATED, &oe->flags))
+ logical_len = oe->truncated_len;
+ else
+ logical_len = oe->num_bytes;
+ btrfs_set_stack_file_extent_num_bytes(&stack_fi, logical_len);
+ btrfs_set_stack_file_extent_ram_bytes(&stack_fi, logical_len);
+ btrfs_set_stack_file_extent_compression(&stack_fi, oe->compress_type);
+ /* Encryption and other encoding is reserved and all 0 */
+
+ return insert_reserved_file_extent(trans, inode, oe->file_offset,
+ &stack_fi);
+}
+
+/*
+ * As ordered data IO finishes, this gets called so we can finish
* an ordered extent if the range of bytes in the file it covers are
* fully written.
*/
@@ -2673,12 +2691,8 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
logical_len);
} else {
BUG_ON(root == fs_info->tree_root);
- ret = insert_reserved_file_extent(trans, inode, start,
- ordered_extent->disk_bytenr,
- ordered_extent->disk_num_bytes,
- logical_len, logical_len,
- compress_type, 0, 0,
- BTRFS_FILE_EXTENT_REG);
+ ret = insert_ordered_extent_file_extent(trans, inode,
+ ordered_extent);
if (!ret) {
clear_reserved_extent = false;
btrfs_release_delalloc_bytes(fs_info,
@@ -9583,6 +9597,27 @@ out_unlock:
return err;
}
+static int insert_prealloc_file_extent(struct btrfs_trans_handle *trans,
+ struct inode *inode, struct btrfs_key *ins,
+ u64 file_offset)
+{
+ struct btrfs_file_extent_item stack_fi;
+ u64 start = ins->objectid;
+ u64 len = ins->offset;
+
+ memset(&stack_fi, 0, sizeof(stack_fi));
+
+ btrfs_set_stack_file_extent_type(&stack_fi, BTRFS_FILE_EXTENT_PREALLOC);
+ btrfs_set_stack_file_extent_disk_bytenr(&stack_fi, start);
+ btrfs_set_stack_file_extent_disk_num_bytes(&stack_fi, len);
+ btrfs_set_stack_file_extent_num_bytes(&stack_fi, len);
+ btrfs_set_stack_file_extent_ram_bytes(&stack_fi, len);
+ btrfs_set_stack_file_extent_compression(&stack_fi, BTRFS_COMPRESS_NONE);
+ /* Encryption and other encoding is reserved and all 0 */
+
+ return insert_reserved_file_extent(trans, inode, file_offset,
+ &stack_fi);
+}
static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint,
@@ -9641,11 +9676,8 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
btrfs_dec_block_group_reservations(fs_info, ins.objectid);
last_alloc = ins.offset;
- ret = insert_reserved_file_extent(trans, inode,
- cur_offset, ins.objectid,
- ins.offset, ins.offset,
- ins.offset, 0, 0, 0,
- BTRFS_FILE_EXTENT_PREALLOC);
+ ret = insert_prealloc_file_extent(trans, inode, &ins,
+ cur_offset);
if (ret) {
btrfs_free_reserved_extent(fs_info, ins.objectid,
ins.offset, 0);