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staging: lustre: simplify linux-prim.c

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cfs_block_sigs() is never used.
cfs_clear_sigpending() is never used.
cfs_block_allsigs() is no longer used.

So those three functions can go.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-02-20 13:23:37 +11:00 committed by Greg Kroah-Hartman
parent 2a4b688125
commit 99c1ffc99a
2 changed files with 0 additions and 44 deletions
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3
drivers/staging/lustre/include/linux/libcfs/libcfs.h
View File

@ -67,11 +67,8 @@
/*
* Defined by platform
*/
sigset_t cfs_block_allsigs(void);
sigset_t cfs_block_sigs(unsigned long sigs);
sigset_t cfs_block_sigsinv(unsigned long sigs);
void cfs_restore_sigs(sigset_t sigset);
void cfs_clear_sigpending(void);
struct libcfs_ioctl_handler {
struct list_head item;

41
drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c
View File

@ -43,36 +43,6 @@
#include <linux/kgdb.h>
#endif
sigset_t
cfs_block_allsigs(void)
{
unsigned long flags;
sigset_t old;
spin_lock_irqsave(&current->sighand->siglock, flags);
old = current->blocked;
sigfillset(&current->blocked);
recalc_sigpending();
spin_unlock_irqrestore(&current->sighand->siglock, flags);
return old;
}
EXPORT_SYMBOL(cfs_block_allsigs);
sigset_t cfs_block_sigs(unsigned long sigs)
{
unsigned long flags;
sigset_t old;
spin_lock_irqsave(&current->sighand->siglock, flags);
old = current->blocked;
sigaddsetmask(&current->blocked, sigs);
recalc_sigpending();
spin_unlock_irqrestore(&current->sighand->siglock, flags);
return old;
}
EXPORT_SYMBOL(cfs_block_sigs);
/* Block all signals except for the @sigs */
sigset_t cfs_block_sigsinv(unsigned long sigs)
{
@ -100,14 +70,3 @@ cfs_restore_sigs(sigset_t old)
spin_unlock_irqrestore(&current->sighand->siglock, flags);
}
EXPORT_SYMBOL(cfs_restore_sigs);
void
cfs_clear_sigpending(void)
{
unsigned long flags;
spin_lock_irqsave(&current->sighand->siglock, flags);
clear_tsk_thread_flag(current, TIF_SIGPENDING);
spin_unlock_irqrestore(&current->sighand->siglock, flags);
}
EXPORT_SYMBOL(cfs_clear_sigpending);