IB/uverbs: Use anon_inodes instead of private infinibandeventfs

The anon_inodes interface has been split to allow creating a bare (non-installed) file pointer and also extended to allow specifying O_RDONLY in the flags. This makes it a suitable replacement for the private "infinibandeventfs" pseudo-filesystem used by uverbs, and this replacement saves a small chunk of boilerplate code.

---
I've had this kicking around for a few weeks, and it looks OK to me and passes very light testing. Anyone see any issues with merging this for 2.6.34?

 drivers/infiniband/Kconfig            |    1 +
 drivers/infiniband/core/uverbs_main.c |   57 ++------------------------------
 2 files changed, 5 insertions(+), 53 deletions(-)

index dd0db67..975adce 100644
@@ -20,6 +20,7 @@ config INFINIBAND_USER_MAD
 
 config INFINIBAND_USER_ACCESS
 	tristate "InfiniBand userspace access (verbs and CM)"
+	select ANON_INODES
 	---help---
 	  Userspace InfiniBand access support.  This enables the
 	  kernel side of userspace verbs and the userspace

1.7.0


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Roland Dreier  <[email protected]>
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