ext4: pass allocation_request struct to ext4_(alloc,splice)_branch
Instead of initializing the allocation_request structure in ext4_alloc_branch(), set it up in ext4_ind_map_blocks(), and then pass it to ext4_alloc_branch() and ext4_splice_branch(). This allows ext4_ind_map_blocks to pass flags in the allocation request structure without having to add Yet Another argument to ext4_alloc_branch(). Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
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