* [patch 4/4] vfs: Add ->statfs callback for pipefs
@ 2011-08-07 21:22 Cyrill Gorcunov
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From: Cyrill Gorcunov @ 2011-08-07 21:22 UTC (permalink / raw)
To: Nathan Lynch, Oren Laadan, Daniel Lezcano, Serge Hallyn,
Tejun Heo, Andrew Morton
Cc: Glauber Costa, containers, linux-kernel, Pavel Emelyanov,
Serge Hallyn, Cyrill Gorcunov
From: Pavel Emelyanov <xemul@parallels.com>
This is done to make it possible to distinguish pipes
from fifos when opening one via /proc/<pid>/fd/ link.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
---
fs/pipe.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6.git/fs/pipe.c
===================================================================
--- linux-2.6.git.orig/fs/pipe.c
+++ linux-2.6.git/fs/pipe.c
@@ -1254,6 +1254,7 @@ out:
static const struct super_operations pipefs_ops = {
.destroy_inode = free_inode_nonrcu,
+ .statfs = simple_statfs,
};
/*
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2011-08-07 21:22 [patch 4/4] vfs: Add ->statfs callback for pipefs Cyrill Gorcunov
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