ext4: remove unused code from ext4_remove_blocks()
The "head removal" branch in the condition is never used in any code path in ext4 since the function only caller ext4_ext_rm_leaf() will make sure that the extent is properly split before removing blocks. Note that there is a bug in this branch anyway. This commit removes the unused code completely and makes use of ext4_error() instead of printk if dubious range is provided. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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