linux-kernel - [tip:core/types] Delete the __FD_*() funcs for operating on fd

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Message-ID: <tip-cf420048b3b2af9ce928d35cc5455c646c9dd2f7@git.kernel.org>
Date:	Mon, 20 Feb 2012 13:16:18 -0800
From:	tip-bot for David Howells <dhowells@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	dhowells@...hat.com, tglx@...utronix.de, viro@...iv.linux.org.uk
Subject: [tip:core/types] Delete the __FD_*()
  funcs for operating on fd_set from linux/time.h

Commit-ID:  cf420048b3b2af9ce928d35cc5455c646c9dd2f7
Gitweb:     http://git.kernel.org/tip/cf420048b3b2af9ce928d35cc5455c646c9dd2f7
Author:     David Howells <dhowells@...hat.com>
AuthorDate: Thu, 16 Feb 2012 17:50:06 +0000
Committer:  H. Peter Anvin <hpa@...or.com>
CommitDate: Sun, 19 Feb 2012 10:32:28 -0800

Delete the __FD_*() funcs for operating on fd_set from linux/time.h

Delete the __FD_*() functions for operating on fd_set structs from
linux/time.h as they're no longer used within the kernel with the preceding
patch and are not exported to userspace.

Whilst linux/time.h *does* export the FD_*() equivalents as wrappers around
__FD_*(), userspace provides its own definition of __FD_*().

Note that the definition of FD_ZERO() in linux/time.h may not be used with the
fd_sets associated with struct fdtable as the fd_set may have been allocated in
a truncated fashion.

Signed-off-by: David Howells <dhowells@...hat.com>
Link: http://lkml.kernel.org/r/20120216175006.23314.18984.stgit@warthog.procyon.org.uk
Signed-off-by: H. Peter Anvin <hpa@...or.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
---
 include/linux/time.h |   23 -----------------------
 1 files changed, 0 insertions(+), 23 deletions(-)

diff --git a/include/linux/time.h b/include/linux/time.h
index 93277a0..9f43487 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -4,11 +4,8 @@
 #include <linux/types.h>
 
 #ifdef __KERNEL__
-# include <linux/bitops.h>
 # include <linux/cache.h>
-# include <linux/posix_types.h>
 # include <linux/seqlock.h>
-# include <linux/string.h>
 # include <linux/math64.h>
 #endif
 
@@ -260,26 +257,6 @@ static __always_inline void timespec_add_ns(struct timespec *a, u64 ns)
 	a->tv_nsec = ns;
 }
 
-static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-	__set_bit(__fd, __fdsetp->fds_bits);
-}
-
-static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
-{
-	__clear_bit(__fd, __fdsetp->fds_bits);
-}
-
-static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__fdsetp)
-{
-	return test_bit(__fd, __fdsetp->fds_bits);
-}
-
-static inline void __FD_ZERO(__kernel_fd_set *__fdsetp)
-{
-	memset(__fdsetp->fds_bits, 0, sizeof __fdsetp->fds_bits);
-}
-
 #endif /* __KERNEL__ */
 
 #define NFDBITS			__NFDBITS
--
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