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Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r--arch/mips/kernel/linux32.c74
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),