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Merge pull request #4168 from ceph/wip-11226-dir-fx

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RFC client: Hold on to exclusive caps on directories we "own"

Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Gregory Farnum 2015-03-27 11:28:31 -07:00
commit 7721b224c4
1 changed files with 7 additions and 0 deletions
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7
src/client/Client.cc
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@ -2853,6 +2853,13 @@ void Client::check_caps(Inode *in, bool is_delayed)
unsigned used = get_caps_used(in);
unsigned cap_used;
if (in->is_dir() && (in->flags & I_COMPLETE)) {
// we do this here because we don't want to drop to Fs (and then
// drop the Fs if we do a create!) if that alone makes us send lookups
// to the MDS. Doing it in in->caps_wanted() has knock-on effects elsewhere
wanted |= CEPH_CAP_FILE_EXCL;
}
int retain = wanted | used | CEPH_CAP_PIN;
if (!unmounting) {
if (wanted)