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mds: Move check for empty path lookup to getattr

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Signed-off-by: Sam Lang <sam.lang@inktank.com>
This commit is contained in:
Sam Lang 2012-09-26 16:04:50 -07:00
parent 26882dace7
commit a9e304115f
1 changed files with 8 additions and 7 deletions
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15
src/mds/Server.cc
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@ -1872,13 +1872,6 @@ CInode* Server::rdlock_path_pin_ref(MDRequest *mdr, int n,
if (mdr->done_locking)
return mdr->in[n];
if (!no_lookup && 0 == refpath.depth()) {
// refpath can't be empty for lookup but it can for
// getattr (we do getattr with empty refpath for mount of '/')
reply_request(mdr, -EINVAL);
return 0;
}
// traverse
int r = mdcache->path_traverse(mdr, NULL, NULL, refpath, &mdr->dn[n], &mdr->in[n], MDS_TRAVERSE_FORWARD);
if (r > 0)
@ -2101,6 +2094,14 @@ void Server::handle_client_getattr(MDRequest *mdr, bool is_lookup)
{
MClientRequest *req = mdr->client_request;
set<SimpleLock*> rdlocks, wrlocks, xlocks;
if (req->get_filepath().depth() == 0 && is_lookup) {
// refpath can't be empty for lookup but it can for
// getattr (we do getattr with empty refpath for mount of '/')
reply_request(mdr, -EINVAL);
return;
}
CInode *ref = rdlock_path_pin_ref(mdr, 0, rdlocks, false, false, NULL, !is_lookup);
if (!ref) return;