linux-kernel - [PATCH 3/6] staging/lustre/libcfs: remove cfs_curproc_cap

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Date:	Wed, 22 Jan 2014 21:47:34 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, Peng Tao <bergwolf@...il.com>,
	Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH 3/6] staging/lustre/libcfs: remove cfs_curproc_cap_unpack

no user.

Cc: Andreas Dilger <andreas.dilger@...el.com>
Signed-off-by: Peng Tao <bergwolf@...il.com>
---
 .../staging/lustre/include/linux/libcfs/curproc.h  |    1 -
 .../lustre/lustre/libcfs/linux/linux-curproc.c     |   10 ----------
 2 files changed, 11 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/libcfs/curproc.h b/drivers/staging/lustre/include/linux/libcfs/curproc.h
index 9e52393..d12cfb1 100644
--- a/drivers/staging/lustre/include/linux/libcfs/curproc.h
+++ b/drivers/staging/lustre/include/linux/libcfs/curproc.h
@@ -84,7 +84,6 @@ void cfs_cap_raise(cfs_cap_t cap);
 void cfs_cap_lower(cfs_cap_t cap);
 int cfs_cap_raised(cfs_cap_t cap);
 cfs_cap_t cfs_curproc_cap_pack(void);
-void cfs_curproc_cap_unpack(cfs_cap_t cap);
 int cfs_capable(cfs_cap_t cap);
 
 /* __LIBCFS_CURPROC_H__ */
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
index 0137062..65cb2fa 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
@@ -116,15 +116,6 @@ cfs_cap_t cfs_curproc_cap_pack(void)
 	return cap;
 }
 
-void cfs_curproc_cap_unpack(cfs_cap_t cap)
-{
-	struct cred *cred;
-	if ((cred = prepare_creds())) {
-		cfs_kernel_cap_unpack(&cred->cap_effective, cap);
-		commit_creds(cred);
-	}
-}
-
 int cfs_capable(cfs_cap_t cap)
 {
 	return capable(cfs_cap_unpack(cap));
@@ -286,7 +277,6 @@ EXPORT_SYMBOL(cfs_cap_raise);
 EXPORT_SYMBOL(cfs_cap_lower);
 EXPORT_SYMBOL(cfs_cap_raised);
 EXPORT_SYMBOL(cfs_curproc_cap_pack);
-EXPORT_SYMBOL(cfs_curproc_cap_unpack);
 EXPORT_SYMBOL(cfs_capable);
 
 /*
-- 
1.7.9.5

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