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librbd: simplify diff_iterate calls to list_snaps

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We don't need the size.  Use the simpler API call.

Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Sage Weil 2013-04-02 18:13:01 -07:00
parent 8ebf26ae18
commit 4e847e8b2c
1 changed files with 1 additions and 6 deletions
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7
src/librbd/internal.cc
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@ -2369,12 +2369,7 @@ reprotect_and_return_err:
ldout(ictx->cct, 20) << "diff_iterate object " << p->first << dendl;
librados::snap_set_t snap_set;
uint64_t size;
librados::ObjectReadOperation op;
op.stat(&size, NULL, NULL);
op.list_snaps(&snap_set, NULL);
int r = head_ctx.operate(p->first.name, &op, NULL);
int r = head_ctx.list_snaps(p->first.name, &snap_set);
if (r == -ENOENT) {
if (from_snap_id == 0 && !parent_diff.empty()) {
// report parent diff instead