[v2,3/6] configfd: syscall: wire up configfd syscalls

Message ID	20200104201432.27320-4-James.Bottomley@HansenPartnership.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=rKJc=2Z=vger.kernel.org=linux-fsdevel-owner@kernel.org> From: James Bottomley <James.Bottomley@HansenPartnership.com> To: linux-fsdevel@vger.kernel.org Cc: David Howells <dhowells@redhat.com>, Christian Brauner <christian@brauner.io>, Al Viro <viro@ZenIV.linux.org.uk>, Miklos Szeredi <miklos@szeredi.hu> Subject: [PATCH v2 3/6] configfd: syscall: wire up configfd syscalls Date: Sat, 4 Jan 2020 12:14:29 -0800 Message-Id: <20200104201432.27320-4-James.Bottomley@HansenPartnership.com> In-Reply-To: <20200104201432.27320-1-James.Bottomley@HansenPartnership.com> References: <20200104201432.27320-1-James.Bottomley@HansenPartnership.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk
Series	introduce configfd as generalisation of fsconfig \| expand [v2,0/6] introduce configfd as generalisation of fsconfig [v2,1/6] logger: add a limited buffer logging facility [v2,2/6] configfd: add generic file descriptor based configuration parser [v2,3/6] configfd: syscall: wire up configfd syscalls [v2,4/6] fs: implement fsconfig via configfd [v2,5/6] fs: expose internal interfaces open_detached_copy and do_reconfigure_mount [v2,6/6] fs: bind: add configfs type for bind mounts

diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 8e13b0b2928d..f3268ab28a7d 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -475,3 +475,5 @@ 543 common fspick sys_fspick 544 common pidfd_open sys_pidfd_open # 545 reserved for clone3 +546 common configfd_open configfd_open +547 common configfd_action configfd_action diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 6da7dc4d79cc..024ae0ca80d1 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -449,3 +449,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open 435 common clone3 sys_clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 2629a68b8724..8aa00ccb0b96 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -38,7 +38,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 436 +#define __NR_compat_syscalls 438 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 94ab29cf4f00..785fc47ede34 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -879,6 +879,10 @@ __SYSCALL(__NR_fspick, sys_fspick) __SYSCALL(__NR_pidfd_open, sys_pidfd_open) #define __NR_clone3 435 __SYSCALL(__NR_clone3, sys_clone3) +#define __NR_configfd_open 436 +__SYSCALL(__NR_configfd_open, sys_configfd_open) +#define __NR_configfd_action 437 +__SYSCALL(__NR_configfd_action, sys_configfd_action) /* * Please add new compat syscalls above this comment and update diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl index 36d5faf4c86c..9679b0e06dea 100644 --- a/arch/ia64/kernel/syscalls/syscall.tbl +++ b/arch/ia64/kernel/syscalls/syscall.tbl @@ -356,3 +356,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open # 435 reserved for clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index a88a285a0e5f..a78740ac8285 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -435,3 +435,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open # 435 reserved for clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 09b0cd7dab0a..c0ae38557315 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -441,3 +441,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open 435 common clone3 sys_clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index e7c5ab38e403..8a85da0a2fe5 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -374,3 +374,5 @@ 433 n32 fspick sys_fspick 434 n32 pidfd_open sys_pidfd_open 435 n32 clone3 __sys_clone3 +436 n32 configfd_open sys_configfd_open +437 n32 configfd_action sys_configfd_action diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 13cd66581f3b..cafd5c2cf6f4 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -350,3 +350,5 @@ 433 n64 fspick sys_fspick 434 n64 pidfd_open sys_pidfd_open 435 n64 clone3 __sys_clone3 +436 n64 configfd_open sys_configfd_open +437 n64 configfd_action sys_configfd_action diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 353539ea4140..8745d12c06c4 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -423,3 +423,5 @@ 433 o32 fspick sys_fspick 434 o32 pidfd_open sys_pidfd_open 435 o32 clone3 __sys_clone3 +436 o32 configfd_open sys_configfd_open +437 o32 configfd_action sys_configfd_action diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 285ff516150c..fad358f6c107 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -433,3 +433,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open 435 common clone3 sys_clone3_wrapper +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 43f736ed47f2..2fa485b229fa 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -517,3 +517,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open 435 nospu clone3 ppc_clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 3054e9c035a3..e6401600f8e9 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -438,3 +438,5 @@ 433 common fspick sys_fspick sys_fspick 434 common pidfd_open sys_pidfd_open sys_pidfd_open 435 common clone3 sys_clone3 sys_clone3 +436 common configfd_open sys_configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action sys_configfd_action diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index b5ed26c4c005..d97009f75bf9 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -438,3 +438,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open # 435 reserved for clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 8c8cc7537fb2..d899bcef3279 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -481,3 +481,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open # 435 reserved for clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 15908eb9b17e..ea2626c1b24a 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -440,3 +440,5 @@ 433 i386 fspick sys_fspick __ia32_sys_fspick 434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open 435 i386 clone3 sys_clone3 __ia32_sys_clone3 +436 i386 configfd_open sys_configfd_open __ia32_sys_configfd_open +437 i386 configfd_action sys_configfd_action __ia32_sys_configfd_action diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index c29976eca4a8..e5d24b9ed28c 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -357,6 +357,8 @@ 433 common fspick __x64_sys_fspick 434 common pidfd_open __x64_sys_pidfd_open 435 common clone3 __x64_sys_clone3/ptregs +436 common configfd_open __x64_sys_configfd_open +437 common configfd_action __x64_sys_configfd_action # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index 25f4de729a6d..77ec1f6997e4 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -406,3 +406,5 @@ 433 common fspick sys_fspick 434 common pidfd_open sys_pidfd_open 435 common clone3 sys_clone3 +436 common configfd_open sys_configfd_open +437 common configfd_action sys_configfd_action diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 2960dedcfde8..0e7100afd2f7 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -1000,6 +1000,11 @@ asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags) asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, siginfo_t __user *info, unsigned int flags); +asmlinkage long sys_configfd_open(const char __user *config_name, + unsigned int flags, unsigned int op); +asmlinkage long sys_configfd_action(int fd, unsigned int cmd, + const char __user *key, void __user *value, + int aux); /* * Architecture-specific system calls diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 1fc8faa6e973..6ae20cdfb081 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -849,10 +849,15 @@ __SYSCALL(__NR_pidfd_open, sys_pidfd_open) #ifdef __ARCH_WANT_SYS_CLONE3 #define __NR_clone3 435 __SYSCALL(__NR_clone3, sys_clone3) + #endif +#define __NR_configfd_open 436 +__SYSCALL(__NR_configfd_open, sys_configfd_open) +#define __NR_configfd_action 437 +__SYSCALL(__NR_configfd_action, sys_configfd_action) #undef __NR_syscalls -#define __NR_syscalls 436 +#define __NR_syscalls 438 /* * 32 bit systems traditionally used different

[v2,3/6] configfd: syscall: wire up configfd syscalls

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