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| author | Guanjun He <gjhe@suse.com> | 2012-07-09 06:50:33 +0400 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2012-07-30 20:29:53 +0400 |
| commit | a2a3258417eb6a1799cf893350771428875a8287 (patch) | |
| tree | f8906aa980d79af72e7e02d5592512a914c4b721 /net/ceph/ceph_common.c | |
| parent | a16cb1f70799c851410d9dca0a24122e258df06c (diff) | |
| download | linux-a2a3258417eb6a1799cf893350771428875a8287.tar.xz | |
libceph: prevent the race of incoming work during teardown
Add an atomic variable 'stopping' as flag in struct ceph_messenger,
set this flag to 1 in function ceph_destroy_client(), and add the condition code
in function ceph_data_ready() to test the flag value, if true(1), just return.
Signed-off-by: Guanjun He <gjhe@suse.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'net/ceph/ceph_common.c')
| -rw-r--r-- | net/ceph/ceph_common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 58b09efb528d..3b45e01fa8d1 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -495,6 +495,8 @@ void ceph_destroy_client(struct ceph_client *client) { dout("destroy_client %p\n", client); + atomic_set(&client->msgr.stopping, 1); + /* unmount */ ceph_osdc_stop(&client->osdc); |