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fs: remove the compat readv/writev syscalls

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Now that import_iovec handles compat iovecs, the native readv and writev
syscalls can be used for the compat case as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2020-09-25 06:51:43 +02:00
committed by Al Viro
parent 3523a9d454
commit 5f764d624a
17 changed files with 30 additions and 46 deletions
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14
fs/read_write.c
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@@ -1074,13 +1074,6 @@ SYSCALL_DEFINE6(pwritev2, unsigned long, fd, const struct iovec __user *, vec,
* in_compat_syscall().
*/
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd,
const struct iovec __user *, vec,
compat_ulong_t, vlen)
{
return do_readv(fd, vec, vlen, 0);
}
#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64
COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd,
const struct iovec __user *, vec,
@@ -1122,13 +1115,6 @@ COMPAT_SYSCALL_DEFINE6(preadv2, compat_ulong_t, fd,
return do_preadv(fd, vec, vlen, pos, flags);
}
COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd,
const struct iovec __user *, vec,
compat_ulong_t, vlen)
{
return do_writev(fd, vec, vlen, 0);
}
#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64
COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd,
const struct iovec __user *, vec,