Due to new_inline logic, the create == 0 is always true at this
point in the code, so the create != 0 branch can be removed.
Signed-off-by: Edmund Nadolski <enadolski@xxxxxxxx>
---
fs/btrfs/inode.c | 22 +---------------------
1 file changed, 1 insertion(+), 21 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b6d5d94..0d4a066 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6957,7 +6957,6 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
struct btrfs_trans_handle *trans = NULL;
const bool new_inline = !page || create;
-again:
read_lock(&em_tree->lock);
em = lookup_extent_mapping(em_tree, start, len);
if (em)
@@ -7098,7 +7097,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
em->orig_block_len = em->len;
em->orig_start = em->start;
ptr = btrfs_file_extent_inline_start(item) + extent_offset;
- if (create == 0 && !PageUptodate(page)) {
+ if (!PageUptodate(page)) {
if (btrfs_file_extent_compression(leaf, item) !=
BTRFS_COMPRESS_NONE) {
ret = uncompress_inline(path, page, pg_offset,
@@ -7119,25 +7118,6 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
kunmap(page);
}
flush_dcache_page(page);
- } else if (create && PageUptodate(page)) {
- BUG();
- if (!trans) {
- kunmap(page);
- free_extent_map(em);
- em = NULL;
-
- btrfs_release_path(path);
- trans = btrfs_join_transaction(root);
-
- if (IS_ERR(trans))
- return ERR_CAST(trans);
- goto again;
- }
- map = kmap(page);
- write_extent_buffer(leaf, map + pg_offset, ptr,
- copy_size);
- kunmap(page);
- btrfs_mark_buffer_dirty(leaf);
}
set_extent_uptodate(io_tree, em->start,
extent_map_end(em) - 1, NULL, GFP_NOFS);
--
2.10.2
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