[03/30] btrfs: get fs_info from eb in write_one_eb
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Message ID 8bb108235f5745bf047644a6735154c4273efd04.1553539114.git.dsterba@suse.com
State New
Headers show
Series
  • Redundant argument cleanups, part 1
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Commit Message

David Sterba March 25, 2019, 6:46 p.m. UTC
We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/extent_io.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch
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diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a74278187fcd..ae3746829e41 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3677,10 +3677,10 @@  static void end_bio_extent_buffer_writepage(struct bio *bio)
 }
 
 static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
-			struct btrfs_fs_info *fs_info,
 			struct writeback_control *wbc,
 			struct extent_page_data *epd)
 {
+	struct btrfs_fs_info *fs_info = eb->fs_info;
 	struct block_device *bdev = fs_info->fs_devices->latest_bdev;
 	struct extent_io_tree *tree = &BTRFS_I(fs_info->btree_inode)->io_tree;
 	u64 offset = eb->start;
@@ -3749,7 +3749,6 @@  int btree_write_cache_pages(struct address_space *mapping,
 				   struct writeback_control *wbc)
 {
 	struct extent_io_tree *tree = &BTRFS_I(mapping->host)->io_tree;
-	struct btrfs_fs_info *fs_info = BTRFS_I(mapping->host)->root->fs_info;
 	struct extent_buffer *eb, *prev_eb = NULL;
 	struct extent_page_data epd = {
 		.bio = NULL,
@@ -3830,7 +3829,7 @@  int btree_write_cache_pages(struct address_space *mapping,
 				continue;
 			}
 
-			ret = write_one_eb(eb, fs_info, wbc, &epd);
+			ret = write_one_eb(eb, wbc, &epd);
 			if (ret) {
 				done = 1;
 				free_extent_buffer(eb);