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| author | Yan, Zheng <zyan@redhat.com> | 2020-03-04 14:22:20 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-03-30 12:42:42 +0200 |
| commit | 3313f66a57ed73a47162af642e2c8d3995cae058 (patch) | |
| tree | 15bef2c054e9c86af6d3ed07651cfef5275bbf8f /fs/ceph | |
| parent | ceph: attempt to do async create when possible (diff) | |
| download | linux-3313f66a57ed73a47162af642e2c8d3995cae058.tar.xz linux-3313f66a57ed73a47162af642e2c8d3995cae058.zip | |
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>
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 67080721cec8..a6c484123d98 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -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; |