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read-cache: store in-memory flags in the first 12 bits of ce_flags

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We're running out of room for in-memory flags. But since b60e188
(Strip namelen out of ce_flags into a ce_namelen field - 2012-07-11),
we copy the namelen (first 12 bits) to ce_namelen field. So those bits
are free to use. Just make sure we do not accidentally write any
in-memory flags back.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2014-06-13 19:19:25 +07:00
committed by Junio C Hamano
parent 626f35c893
commit ce51bf09f8
2 changed files with 2 additions and 2 deletions
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read-cache.c
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@ -1702,7 +1702,7 @@ static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk,
ondisk->size = htonl(ce->ce_stat_data.sd_size);
hashcpy(ondisk->sha1, ce->sha1);
flags = ce->ce_flags;
flags = ce->ce_flags & ~CE_NAMEMASK;
flags |= (ce_namelen(ce) >= CE_NAMEMASK ? CE_NAMEMASK : ce_namelen(ce));
ondisk->flags = htons(flags);
if (ce->ce_flags & CE_EXTENDED) {