diff options
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r-- | arch/mips/kernel/linux32.c | 74 |
1 files changed, 12 insertions, 62 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 3f40c37a9ee6..a7d2bb3cf835 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -356,73 +356,13 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf, size_t count, u32 unused, u64 a4, u64 a5) { - ssize_t ret; - struct file * file; - ssize_t (*read)(struct file *, char __user *, size_t, loff_t *); - loff_t pos; - - ret = -EBADF; - file = fget(fd); - if (!file) - goto bad_file; - if (!(file->f_mode & FMODE_READ)) - goto out; - pos = merge_64(a4, a5); - ret = rw_verify_area(READ, file, &pos, count); - if (ret < 0) - goto out; - ret = -EINVAL; - if (!file->f_op || !(read = file->f_op->read)) - goto out; - if (pos < 0) - goto out; - ret = -ESPIPE; - if (!(file->f_mode & FMODE_PREAD)) - goto out; - ret = read(file, buf, count, &pos); - if (ret > 0) - dnotify_parent(file->f_dentry, DN_ACCESS); -out: - fput(file); -bad_file: - return ret; + return sys_pread64(fd, buf, count, merge_64(a4, a5)); } asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf, size_t count, u32 unused, u64 a4, u64 a5) { - ssize_t ret; - struct file * file; - ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *); - loff_t pos; - - ret = -EBADF; - file = fget(fd); - if (!file) - goto bad_file; - if (!(file->f_mode & FMODE_WRITE)) - goto out; - pos = merge_64(a4, a5); - ret = rw_verify_area(WRITE, file, &pos, count); - if (ret < 0) - goto out; - ret = -EINVAL; - if (!file->f_op || !(write = file->f_op->write)) - goto out; - if (pos < 0) - goto out; - - ret = -ESPIPE; - if (!(file->f_mode & FMODE_PWRITE)) - goto out; - - ret = write(file, buf, count, &pos); - if (ret > 0) - dnotify_parent(file->f_dentry, DN_MODIFY); -out: - fput(file); -bad_file: - return ret; + return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); } asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, @@ -1182,6 +1122,16 @@ asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3, return sys_readahead(fd, merge_64(a2, a3), count); } +asmlinkage long sys32_sync_file_range(int fd, int __pad, + unsigned long a2, unsigned long a3, + unsigned long a4, unsigned long a5, + int flags) +{ + return sys_sync_file_range(fd, + merge_64(a2, a3), merge_64(a4, a5), + flags); +} + /* Argument list sizes for sys_socketcall */ #define AL(x) ((x) * sizeof(unsigned int)) static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3), |