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ceph: define 'end/complete' in readdir reply as bit flags

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Set a flag in readdir request, which indicates that client interprets
'end/complete' as bit flags. So that mds can reply additional flags in
readdir reply.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng
2016-04-27 17:48:30 +08:00
committed by Ilya Dryomov
parent 2a5beea3f1
commit 956d39d631
4 changed files with 20 additions and 3 deletions
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7
fs/ceph/mds_client.c
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@@ -181,8 +181,11 @@ static int parse_reply_info_dir(void **p, void *end,
ceph_decode_need(p, end, sizeof(num) + 2, bad);
num = ceph_decode_32(p);
info->dir_end = ceph_decode_8(p);
info->dir_complete = ceph_decode_8(p);
{
u16 flags = ceph_decode_16(p);
info->dir_end = !!(flags & CEPH_READDIR_FRAG_END);
info->dir_complete = !!(flags & CEPH_READDIR_FRAG_COMPLETE);
}
if (num == 0)
goto done;