[RFC PATCH 2/2] fs/xattr: wire up syscalls

Enable the new added extended attribute related syscalls. Signed-off-by: Christian Göttsche <cgzones(a)googlemail.com&gt; --- TODO: - deprecate traditional syscalls (setxattr, ...)? - resolve possible conflicts with proposed readfile syscall --- arch/alpha/kernel/syscalls/syscall.tbl | 4 ++++ arch/arm/tools/syscall.tbl | 4 ++++ arch/arm64/include/asm/unistd.h | 2 +- arch/arm64/include/asm/unistd32.h | 8 ++++++++ arch/ia64/kernel/syscalls/syscall.tbl | 4 ++++ arch/m68k/kernel/syscalls/syscall.tbl | 4 ++++ arch/microblaze/kernel/syscalls/syscall.tbl | 4 ++++ arch/mips/kernel/syscalls/syscall_n32.tbl | 4 ++++ arch/mips/kernel/syscalls/syscall_n64.tbl | 4 ++++ arch/mips/kernel/syscalls/syscall_o32.tbl | 4 ++++ arch/parisc/kernel/syscalls/syscall.tbl | 4 ++++ arch/powerpc/kernel/syscalls/syscall.tbl | 4 ++++ arch/s390/kernel/syscalls/syscall.tbl | 4 ++++ arch/sh/kernel/syscalls/syscall.tbl | 4 ++++ arch/sparc/kernel/syscalls/syscall.tbl | 4 ++++ arch/x86/entry/syscalls/syscall_32.tbl | 4 ++++ arch/x86/entry/syscalls/syscall_64.tbl | 4 ++++ arch/xtensa/kernel/syscalls/syscall.tbl | 4 ++++ include/asm-generic/audit_change_attr.h | 6 ++++++ include/linux/syscalls.h | 8 ++++++++ include/uapi/asm-generic/unistd.h | 12 +++++++++++- 21 files changed, 98 insertions(+), 2 deletions(-) diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 3515bc4f16a4..826a8a36da81 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -490,3 +490,7 @@ 558 common process_mrelease sys_process_mrelease 559 common futex_waitv sys_futex_waitv 560 common set_mempolicy_home_node sys_ni_syscall +561 common setxattrat sys_setxattrat +562 common getxattrat sys_getxattrat +563 common listxattrat sys_listxattrat +564 common removexattrat sys_removexattrat diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index ac964612d8b0..f0e9d9d487f0 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -464,3 +464,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 037feba03a51..63a8a9c4abc1 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -39,7 +39,7 @@ #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 451 +#define __NR_compat_syscalls 455 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 604a2053d006..cd6ac63376d1 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -907,6 +907,14 @@ __SYSCALL(__NR_process_mrelease, sys_process_mrelease) __SYSCALL(__NR_futex_waitv, sys_futex_waitv) #define __NR_set_mempolicy_home_node 450 __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node) +#define __NR_setxattrat 451 +__SYSCALL(__NR_setxattrat, sys_setxattrat) +#define __NR_getxattrat 452 +__SYSCALL(__NR_getxattrat, sys_getxattrat) +#define __NR_listxattrat 453 +__SYSCALL(__NR_listxattrat, sys_listxattrat) +#define __NR_removexattrat 454 +__SYSCALL(__NR_removexattrat, sys_removexattrat) /* * 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 78b1d03e86e1..6e942a935a27 100644 --- a/arch/ia64/kernel/syscalls/syscall.tbl +++ b/arch/ia64/kernel/syscalls/syscall.tbl @@ -371,3 +371,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index b1f3940bc298..0847efdee734 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -450,3 +450,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 820145e47350..7f619bbc718d 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -456,3 +456,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 253ff994ed2e..5e4206c0aede 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -389,3 +389,7 @@ 448 n32 process_mrelease sys_process_mrelease 449 n32 futex_waitv sys_futex_waitv 450 n32 set_mempolicy_home_node sys_set_mempolicy_home_node +451 n32 setxattrat sys_setxattrat +452 n32 getxattrat sys_getxattrat +453 n32 listxattrat sys_listxattrat +454 n32 removexattrat sys_removexattrat diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index 3f1886ad9d80..df0f053e76cd 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -365,3 +365,7 @@ 448 n64 process_mrelease sys_process_mrelease 449 n64 futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 n64 setxattrat sys_setxattrat +452 n64 getxattrat sys_getxattrat +453 n64 listxattrat sys_listxattrat +454 n64 removexattrat sys_removexattrat diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 8f243e35a7b2..09ec31ad475f 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -438,3 +438,7 @@ 448 o32 process_mrelease sys_process_mrelease 449 o32 futex_waitv sys_futex_waitv 450 o32 set_mempolicy_home_node sys_set_mempolicy_home_node +451 o32 setxattrat sys_setxattrat +452 o32 getxattrat sys_getxattrat +453 o32 listxattrat sys_listxattrat +454 o32 removexattrat sys_removexattrat diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 8a99c998da9b..fe3f4f41aee6 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -448,3 +448,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 2600b4237292..bee27f650397 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -530,3 +530,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 nospu set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 799147658dee..d1fbad4b7864 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -453,3 +453,7 @@ 448 common process_mrelease sys_process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat sys_removexattrat diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index 2de85c977f54..d4daa8afe45c 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -453,3 +453,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 4398cc6fb68d..510d5175f80a 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -496,3 +496,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 320480a8db4f..8488cc157fe0 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -455,3 +455,7 @@ 448 i386 process_mrelease sys_process_mrelease 449 i386 futex_waitv sys_futex_waitv 450 i386 set_mempolicy_home_node sys_set_mempolicy_home_node +451 i386 setxattrat sys_setxattrat +452 i386 getxattrat sys_getxattrat +453 i386 listxattrat sys_listxattrat +454 i386 removexattrat sys_removexattrat diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index c84d12608cd2..f45d723d5a30 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -372,6 +372,10 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat # # Due to a historical design error, certain syscalls are numbered differently diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index 52c94ab5c205..dbafe441a83f 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -421,3 +421,7 @@ 448 common process_mrelease sys_process_mrelease 449 common futex_waitv sys_futex_waitv 450 common set_mempolicy_home_node sys_set_mempolicy_home_node +451 common setxattrat sys_setxattrat +452 common getxattrat sys_getxattrat +453 common listxattrat sys_listxattrat +454 common removexattrat sys_removexattrat diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h index 331670807cf0..cc840537885f 100644 --- a/include/asm-generic/audit_change_attr.h +++ b/include/asm-generic/audit_change_attr.h @@ -11,9 +11,15 @@ __NR_lchown, __NR_fchown, #endif __NR_setxattr, +#ifdef __NR_setxattrat +__NR_setxattrat, +#endif __NR_lsetxattr, __NR_fsetxattr, __NR_removexattr, +#ifdef __NR_removexattrat +__NR_removexattrat, +#endif __NR_lremovexattr, __NR_fremovexattr, #ifdef __NR_fchownat diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a34b0f9a9972..090b9b5229a0 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -348,23 +348,31 @@ asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op, /* fs/xattr.c */ asmlinkage long sys_setxattr(const char __user *path, const char __user *name, const void __user *value, size_t size, int flags); +asmlinkage long sys_setxattrat(int dfd, const char __user *path, const char __user *name, + const void __user *value, size_t size, int flags); asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name, const void __user *value, size_t size, int flags); asmlinkage long sys_fsetxattr(int fd, const char __user *name, const void __user *value, size_t size, int flags); asmlinkage long sys_getxattr(const char __user *path, const char __user *name, void __user *value, size_t size); +asmlinkage long sys_getxattrat(int dfd, const char __user *path, const char __user *name, + void __user *value, size_t size, int flags); asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name, void __user *value, size_t size); asmlinkage long sys_fgetxattr(int fd, const char __user *name, void __user *value, size_t size); asmlinkage long sys_listxattr(const char __user *path, char __user *list, size_t size); +asmlinkage long sys_listxattrat(int dfd, const char __user *path, char __user *list, + size_t size, int flags); asmlinkage long sys_llistxattr(const char __user *path, char __user *list, size_t size); asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size); asmlinkage long sys_removexattr(const char __user *path, const char __user *name); +asmlinkage long sys_removexattrat(int dfd, const char __user *path, + const char __user *name, int flags); asmlinkage long sys_lremovexattr(const char __user *path, const char __user *name); asmlinkage long sys_fremovexattr(int fd, const char __user *name); diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 45fa180cc56a..4fcc71612b7a 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -886,8 +886,18 @@ __SYSCALL(__NR_futex_waitv, sys_futex_waitv) #define __NR_set_mempolicy_home_node 450 __SYSCALL(__NR_set_mempolicy_home_node, sys_set_mempolicy_home_node) +/* fs/xattr.c */ +#define __NR_setxattrat 451 +__SYSCALL(__NR_setxattrat, sys_setxattrat) +#define __NR_getxattrat 452 +__SYSCALL(__NR_getxattrat, sys_getxattrat) +#define __NR_listxattrat 453 +__SYSCALL(__NR_listxattrat, sys_listxattrat) +#define __NR_removexattrat 454 +__SYSCALL(__NR_removexattrat, sys_removexattrat) + #undef __NR_syscalls -#define __NR_syscalls 451 +#define __NR_syscalls 455 /* * 32 bit systems traditionally used different -- 2.37.2