Messages in this thread | | | Date | Wed, 30 Apr 2008 21:32:59 -0700 | From | Tim Pepper <> | Subject | Re: [PATCH 09/10] Integrate the ridr code into IPC code |
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On Tue 29 Apr at 16:33:13 +0200 Nadia.Derbey@bull.net said: > [PATCH 09/10] > > This patche makes the ipc ode use the ridr API.
Superfluous except...
> @@ -699,18 +695,13 @@ struct kern_ipc_perm *ipc_lock(struct ip > struct kern_ipc_perm *out; > int lid = ipcid_to_idx(id); > > - down_read(&ids->rw_mutex); > - > rcu_read_lock(); > - out = idr_find(&ids->ipcs_idr, lid); > + out = ridr_find(&ids->ipcs_ridr, lid); > if (out == NULL) { > rcu_read_unlock(); > - up_read(&ids->rw_mutex); > return ERR_PTR(-EINVAL); > } > > - up_read(&ids->rw_mutex); > -
...the removal of the rw_mutex down/up_read().
-- Tim Pepper <lnxninja@linux.vnet.ibm.com> IBM Linux Technology Center
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