ext4: use unsigned int for es_status values
Don't use an unsigned long long for the es_status flags; this requires that we pass 64-bit values around which is painful on 32-bit systems. Instead pass the extent status flags around using the low 4 bits of an unsigned int, and shift them into place when we are reading or writing es_pblk. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu> Reviewed-by: NZheng Liu <wenqing.lz@taobao.com>
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