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-rw-r--r--fs/btrfs/send.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 3befc0d2d866..d1388d5dc951 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1365,40 +1365,35 @@ static int find_extent_clone(struct send_ctx *sctx,
int compressed;
u32 i;
- tmp_path = alloc_path_for_send();
- if (!tmp_path)
- return -ENOMEM;
-
- /* We only use this path under the commit sem */
- tmp_path->need_commit_sem = 0;
-
if (data_offset >= ino_size) {
/*
* There may be extents that lie behind the file's size.
* I at least had this in combination with snapshotting while
* writing large files.
*/
- ret = 0;
- goto out;
+ return 0;
}
- fi = btrfs_item_ptr(eb, path->slots[0],
- struct btrfs_file_extent_item);
+ fi = btrfs_item_ptr(eb, path->slots[0], struct btrfs_file_extent_item);
extent_type = btrfs_file_extent_type(eb, fi);
- if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
- ret = -ENOENT;
- goto out;
- }
- compressed = btrfs_file_extent_compression(eb, fi);
+ if (extent_type == BTRFS_FILE_EXTENT_INLINE)
+ return -ENOENT;
- num_bytes = btrfs_file_extent_num_bytes(eb, fi);
disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);
- if (disk_byte == 0) {
- ret = -ENOENT;
- goto out;
- }
+ if (disk_byte == 0)
+ return -ENOENT;
+
+ compressed = btrfs_file_extent_compression(eb, fi);
+ num_bytes = btrfs_file_extent_num_bytes(eb, fi);
logical = disk_byte + btrfs_file_extent_offset(eb, fi);
+ tmp_path = alloc_path_for_send();
+ if (!tmp_path)
+ return -ENOMEM;
+
+ /* We only use this path under the commit sem */
+ tmp_path->need_commit_sem = 0;
+
down_read(&fs_info->commit_root_sem);
ret = extent_from_logical(fs_info, disk_byte, tmp_path,
&found_key, &flags);