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config: remove HAVE_GENERIC_WRITE_CHECKS_KIOCB

Browse Source 
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris 2024-08-03 13:28:29 +10:00 committed by Brian Behlendorf
parent 7af642af4d
commit cf006e3496
3 changed files with 0 additions and 38 deletions
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24
config/kernel-vfs-rw-iterate.m4
View File

@ -54,27 +54,3 @@ AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE], [
AC_MSG_RESULT(no)
])
])
dnl #
dnl # Linux 4.1.x API
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS], [
ZFS_LINUX_TEST_SRC([generic_write_checks], [
#include <linux/fs.h>
],[
struct kiocb *iocb = NULL;
struct iov_iter *iov = NULL;
generic_write_checks(iocb, iov);
])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS], [
AC_MSG_CHECKING([whether generic_write_checks() takes kiocb])
ZFS_LINUX_TEST_RESULT([generic_write_checks], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1,
[generic_write_checks() takes kiocb])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -106,7 +106,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_VFS_READPAGES
ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE
ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS
ZFS_AC_KERNEL_SRC_VFS_IOV_ITER
ZFS_AC_KERNEL_SRC_VFS_COPY_FILE_RANGE
ZFS_AC_KERNEL_SRC_VFS_GENERIC_COPY_FILE_RANGE
@ -251,7 +250,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_VFS_READPAGES
ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_VFS_RW_ITERATE
ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS
ZFS_AC_KERNEL_VFS_IOV_ITER
ZFS_AC_KERNEL_VFS_COPY_FILE_RANGE
ZFS_AC_KERNEL_VFS_GENERIC_COPY_FILE_RANGE

12
module/os/linux/zfs/zpl_file.c
View File

@ -298,23 +298,11 @@ static inline ssize_t
zpl_generic_write_checks(struct kiocb *kiocb, struct iov_iter *from,
size_t *countp)
{
#ifdef HAVE_GENERIC_WRITE_CHECKS_KIOCB
ssize_t ret = generic_write_checks(kiocb, from);
if (ret <= 0)
return (ret);
*countp = ret;
#else
struct file *file = kiocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *ip = mapping->host;
int isblk = S_ISBLK(ip->i_mode);
*countp = iov_iter_count(from);
ssize_t ret = generic_write_checks(file, &kiocb->ki_pos, countp, isblk);
if (ret)
return (ret);
#endif
return (0);
}