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Hash in the owner and offset for file extent backref keys

This commit is contained in:
Chris Mason 2008-02-01 14:55:03 -05:00 committed by David Woodhouse
parent 6f30791b51
commit 633ddb9a90
1 changed files with 6 additions and 7 deletions
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13
extent-tree.c
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@ -386,13 +386,12 @@ static u64 hash_extent_ref(u64 root_objectid, u64 ref_generation,
high_crc = crc32c(high_crc, &lenum, sizeof(lenum));
lenum = cpu_to_le64(ref_generation);
low_crc = crc32c(low_crc, &lenum, sizeof(lenum));
#if 0
lenum = cpu_to_le64(owner);
low_crc = crc32c(low_crc, &lenum, sizeof(lenum));
lenum = cpu_to_le64(owner_offset);
low_crc = crc32c(low_crc, &lenum, sizeof(lenum));
#endif
if (owner >= BTRFS_FIRST_FREE_OBJECTID) {
lenum = cpu_to_le64(owner);
low_crc = crc32c(low_crc, &lenum, sizeof(lenum));
lenum = cpu_to_le64(owner_offset);
low_crc = crc32c(low_crc, &lenum, sizeof(lenum));
}
return ((u64)high_crc << 32) | (u64)low_crc;
}