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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-02-11 09:15:54 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-02-11 09:34:30 -0500 |
| commit | 06ea0bfe6e6043cb56a78935a19f6f8ebc636226 (patch) | |
| tree | fac441e73156f1cdef93f3907aa69fdf2ca6c9d2 /net/sunrpc/backchannel_rqst.c | |
| parent | a699d65ec4ff82245d2c4fdfb8ed1d64776d756e (diff) | |
| download | blackbird-obmc-linux-06ea0bfe6e6043cb56a78935a19f6f8ebc636226.tar.gz blackbird-obmc-linux-06ea0bfe6e6043cb56a78935a19f6f8ebc636226.zip | |
SUNRPC: Fix races in xs_nospace()
When a send failure occurs due to the socket being out of buffer space,
we call xs_nospace() in order to have the RPC task wait until the
socket has drained enough to make it worth while trying again.
The current patch fixes a race in which the socket is drained before
we get round to setting up the machinery in xs_nospace(), and which
is reported to cause hangs.
Link: http://lkml.kernel.org/r/20140210170315.33dfc621@notabene.brown
Fixes: a9a6b52ee1ba (SUNRPC: Don't start the retransmission timer...)
Reported-by: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc/backchannel_rqst.c')
0 files changed, 0 insertions, 0 deletions
