btrfs: drop extent_io_ops::set_range_writeback callback

The data and metadata callback implementation both use the same
function. We can remove the call indirection and intermediate helper
completely.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index ee1e152..9c63893 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3172,7 +3172,7 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
 int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
                         size_t size, struct bio *bio,
                         unsigned long bio_flags);
-void btrfs_set_range_writeback(void *private_data, u64 start, u64 end);
+void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end);
 vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf);
 int btrfs_readpage(struct file *file, struct page *page);
 void btrfs_evict_inode(struct inode *inode);

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0c9c029..9b208cc 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4528,7 +4528,6 @@ static const struct extent_io_ops btree_extent_io_ops = {
        .submit_bio_hook = btree_submit_bio_hook,
        .readpage_end_io_hook = btree_readpage_end_io_hook,
        .readpage_io_failed_hook = btree_io_failed_hook,
-       .set_range_writeback = btrfs_set_range_writeback,
 
        /* optional callbacks */
 };

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 20af0ef..628f1ae 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1380,14 +1380,6 @@ void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end)
        }
 }
 
-/*
- * helper function to set both pages and extents in the tree writeback
- */
-static void set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end)
-{
-       tree->ops->set_range_writeback(tree->private_data, start, end);
-}
-
 /* find the first state struct with 'bits' set after 'start', and
  * return it.  tree->lock must be held.  NULL will returned if
  * nothing was found after 'start'
@@ -3416,7 +3408,7 @@ static noinline_for_stack int __extent_writepage_io(struct inode *inode,
                        continue;
                }
 
-               set_range_writeback(tree, cur, cur + iosize - 1);
+               btrfs_set_range_writeback(tree, cur, cur + iosize - 1);
                if (!PageWriteback(page)) {
                        btrfs_err(BTRFS_I(inode)->root->fs_info,
                                   "page %lu not writeback, cur %llu end %llu",

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 5c07f87..b4d03e6 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -102,7 +102,6 @@ struct extent_io_ops {
                                    struct page *page, u64 start, u64 end,
                                    int mirror);
        int (*readpage_io_failed_hook)(struct page *page, int failed_mirror);
-       void (*set_range_writeback)(void *private_data, u64 start, u64 end);
 
        /*
         * Optional hooks, called if the pointer is not NULL

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a72784d..4955e04 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10487,9 +10487,9 @@ static void btrfs_check_extent_io_range(void *private_data, const char *caller,
        }
 }
 
-void btrfs_set_range_writeback(void *private_data, u64 start, u64 end)
+void btrfs_set_range_writeback(struct extent_io_tree *tree, u64 start, u64 end)
 {
-       struct inode *inode = private_data;
+       struct inode *inode = tree->private_data;
        unsigned long index = start >> PAGE_SHIFT;
        unsigned long end_index = end >> PAGE_SHIFT;
        struct page *page;
@@ -10546,7 +10546,6 @@ static const struct extent_io_ops btrfs_extent_io_ops = {
        .submit_bio_hook = btrfs_submit_bio_hook,
        .readpage_end_io_hook = btrfs_readpage_end_io_hook,
        .readpage_io_failed_hook = btrfs_readpage_io_failed_hook,
-       .set_range_writeback = btrfs_set_range_writeback,
 
        /* optional callbacks */
        .fill_delalloc = run_delalloc_range,