btrfs: get fs_info from eb in lock_extent_buffer_for_io
We can read fs_info from extent buffer and can drop it from the
parameters.
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 66b4637..853a5fc 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3497,11 +3497,10 @@ void wait_on_extent_buffer_writeback(struct extent_buffer *eb)
* Return >0 is same as 0, except bio is not submitted
* Return <0 if something went wrong, no page is locked
*/
-static noinline_for_stack int
-lock_extent_buffer_for_io(struct extent_buffer *eb,
- struct btrfs_fs_info *fs_info,
+static noinline_for_stack int lock_extent_buffer_for_io(struct extent_buffer *eb,
struct extent_page_data *epd)
{
+ struct btrfs_fs_info *fs_info = eb->fs_info;
int i, num_pages, failed_page_nr;
int flush = 0;
int ret = 0;
@@ -3829,7 +3828,7 @@ int btree_write_cache_pages(struct address_space *mapping,
continue;
prev_eb = eb;
- ret = lock_extent_buffer_for_io(eb, fs_info, &epd);
+ ret = lock_extent_buffer_for_io(eb, &epd);
if (!ret) {
free_extent_buffer(eb);
continue;