udf: Reduce repeated dereferences
Replace repeated dereferences like dir->i_sb by storing superblock
pointer in a variable and using that.
Signed-off-by: NJan Kara <jack@suse.cz>
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Replace repeated dereferences like dir->i_sb by storing superblock
pointer in a variable and using that.
Signed-off-by: NJan Kara <jack@suse.cz>