Commit 05947ae1 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

btrfs: unexport btrfs_extent_readonly() and make it static 



btrfs_extent_readonly() is used by can_nocow_extent() in inode.c. So
move it from extent-tree.c to inode.c and declare it as static.

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent b6e9f16c

fs/btrfs/ctree.h

+0 −1
Original line number Diff line number Diff line
@@ -2691,7 +2691,6 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans); 
int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,

			 struct btrfs_ref *generic_ref);



int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);

void btrfs_clear_space_info_full(struct btrfs_fs_info *info);



/*

fs/btrfs/extent-tree.c

+0 −13
Original line number Diff line number Diff line
@@ -2490,19 +2490,6 @@ int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, 
	return __btrfs_mod_ref(trans, root, buf, full_backref, 0);

}



int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)

{

	struct btrfs_block_group *block_group;

	int readonly = 0;



	block_group = btrfs_lookup_block_group(fs_info, bytenr);

	if (!block_group || block_group->ro)

		readonly = 1;

	if (block_group)

		btrfs_put_block_group(block_group);

	return readonly;

}



static u64 get_alloc_profile_by_root(struct btrfs_root *root, int data)

{

	struct btrfs_fs_info *fs_info = root->fs_info;

fs/btrfs/inode.c

+13 −0
Original line number Diff line number Diff line
@@ -7262,6 +7262,19 @@ static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode, 
	return em;

}



static int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)

{

	struct btrfs_block_group *block_group;

	int readonly = 0;



	block_group = btrfs_lookup_block_group(fs_info, bytenr);

	if (!block_group || block_group->ro)

		readonly = 1;

	if (block_group)

		btrfs_put_block_group(block_group);

	return readonly;

}



/*

 * Check if we can do nocow write into the range [@offset, @offset + @len)

 *