Commit 3313f66a authored Mar 04, 2020 by Yan, Zheng Committed by Ilya Dryomov Mar 30, 2020

ceph: update dentry lease for async create



Otherwise ceph_d_delete() may return 1 for the dentry, which makes
dput() prune the dentry and clear parent dir's complete flag.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

parent 9a8d03ca

fs/ceph/file.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -480,6 +480,9 @@ static int try_prep_async_create(struct inode dir, struct dentry dentry,
		if (d_in_lookup(dentry)) {
		if (!__ceph_dir_is_complete(ci))
		goto no_async;
		spin_lock(&dentry->d_lock);
		di->lease_shared_gen = atomic_read(&ci->i_shared_gen);
		spin_unlock(&dentry->d_lock);
		} else if (atomic_read(&ci->i_shared_gen) !=
		READ_ONCE(di->lease_shared_gen)) {
		goto no_async;

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