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mds: handle missing mydir dirfrag

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Previously, if the mydir dirfrag was missing, then
creating stray dirs would assert out when trying
to project_fnode().

Signed-off-by: John Spray <john.spray@redhat.com>
This commit is contained in:
John Spray 2015-05-01 12:42:16 +01:00
parent 6cb1f6cca7
commit 96992466ee
1 changed files with 8 additions and 0 deletions
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8
src/mds/MDCache.cc
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@ -626,6 +626,14 @@ void MDCache::populate_mydir()
dout(10) << "populate_mydir " << *mydir << dendl;
if (mydir->get_version() == 0) {
// A fresh dirfrag, we must dirty it before dirtying
// any of the strays we create within it.
LogSegment *ls = mds->mdlog->get_current_segment();
mydir->mark_complete();
mydir->mark_dirty(mydir->pre_dirty(), ls);
}
if (!mydir->is_complete()) {
mydir->fetch(new C_MDS_RetryOpenRoot(this));
return;