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Commit 5cdc84bf authored by David Sterba's avatar David Sterba
Browse files

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: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 00032d38

fs/btrfs/ctree.h

+1 −1
Original line number Diff line number Diff line
@@ -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);

fs/btrfs/disk-io.c

+0 −1
Original line number Diff line number Diff line
@@ -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 */

};

fs/btrfs/extent_io.c

+1 −9
Original line number Diff line number Diff line
@@ -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",

fs/btrfs/extent_io.h

+0 −1
Original line number Diff line number Diff line
@@ -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

fs/btrfs/inode.c

+2 −3
Original line number Diff line number Diff line
@@ -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,