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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-14 16:49:37 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-14 18:26:02 +0200 |
| commit | ba60eb25ff6be6f8e60488cdfd454e5c612bce60 (patch) | |
| tree | ee5ebe0a500e5926cf52af808096d8c56eae8657 /mm/swapfile.c | |
| parent | NFSv4: Fix handling of revoked delegations by setattr (diff) | |
| download | linux-ba60eb25ff6be6f8e60488cdfd454e5c612bce60.tar.xz linux-ba60eb25ff6be6f8e60488cdfd454e5c612bce60.zip | |
SUNRPC: Fix a livelock problem in the xprt->backlog queue
This patch ensures that we throttle new RPC requests if there are
requests already waiting in the xprt->backlog queue. The reason for
doing this is to fix livelock issues that can occur when an existing
(high priority) task is waiting in the backlog queue, gets woken up
by xprt_free_slot(), but a new task then steals the slot.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'mm/swapfile.c')
0 files changed, 0 insertions, 0 deletions