diff options
| author | Guo Ren <guoren@linux.alibaba.com> | 2022-04-05 09:13:05 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-04-26 22:36:25 +0200 |
| commit | 59c10c52f573faca862cda5ebcdd43831608eb5a (patch) | |
| tree | 786a8dd25890ba8b97f07f01011c02d4a869ad08 /fs/sync.c | |
| parent | riscv: compat: Support TASK_SIZE for compat mode (diff) | |
| download | linux-59c10c52f573faca862cda5ebcdd43831608eb5a.tar.xz linux-59c10c52f573faca862cda5ebcdd43831608eb5a.zip | |
riscv: compat: syscall: Add compat_sys_call_table implementation
Implement compat sys_call_table and some system call functions:
truncate64, ftruncate64, fallocate, pread64, pwrite64,
sync_file_range, readahead, fadvise64_64 which need argument
translation.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-12-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/sync.c b/fs/sync.c index c7690016453e..dc725914e1ed 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -373,6 +373,15 @@ SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes, return ksys_sync_file_range(fd, offset, nbytes, flags); } +#if defined(CONFIG_COMPAT) && defined(__ARCH_WANT_COMPAT_SYNC_FILE_RANGE) +COMPAT_SYSCALL_DEFINE6(sync_file_range, int, fd, compat_arg_u64_dual(offset), + compat_arg_u64_dual(nbytes), unsigned int, flags) +{ + return ksys_sync_file_range(fd, compat_arg_u64_glue(offset), + compat_arg_u64_glue(nbytes), flags); +} +#endif + /* It would be nice if people remember that not all the world's an i386 when they introduce new system calls */ SYSCALL_DEFINE4(sync_file_range2, int, fd, unsigned int, flags, |