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Code Issues Releases Activity

config: remove HAVE_BIO_BI_OPF

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 2024-08-16 16:05:21 +10:00 committed by Brian Behlendorf
parent afcc0fb0fa
commit 43bf9a712b
2 changed files with 2 additions and 40 deletions
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18
config/kernel-bio.m4
View File

@ -102,13 +102,6 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_OPS], [
int op __attribute__ ((unused)) = REQ_OP_FLUSH;
])
ZFS_LINUX_TEST_SRC([bio_bi_opf], [
#include <linux/bio.h>
],[
struct bio bio __attribute__ ((unused));
bio.bi_opf = 0;
])
ZFS_LINUX_TEST_SRC([bio_set_op_attrs], [
#include <linux/bio.h>
],[
@ -148,16 +141,6 @@ AC_DEFUN([ZFS_AC_KERNEL_BIO_REQ_OP_FLUSH], [
])
])
AC_DEFUN([ZFS_AC_KERNEL_BIO_BI_OPF], [
AC_MSG_CHECKING([whether bio->bi_opf is defined])
ZFS_LINUX_TEST_RESULT([bio_bi_opf], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BIO_BI_OPF, 1, [bio->bi_opf is defined])
],[
AC_MSG_RESULT(no)
])
])
AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_OP_ATTRS], [
AC_MSG_CHECKING([whether bio_set_op_attrs is available])
ZFS_LINUX_TEST_RESULT([bio_set_op_attrs], [
@ -432,7 +415,6 @@ AC_DEFUN([ZFS_AC_KERNEL_BIO], [
ZFS_AC_KERNEL_BIO_REQ_OP_DISCARD
ZFS_AC_KERNEL_BIO_REQ_OP_SECURE_ERASE
ZFS_AC_KERNEL_BIO_REQ_OP_FLUSH
ZFS_AC_KERNEL_BIO_BI_OPF
ZFS_AC_KERNEL_BIO_SET_OP_ATTRS
ZFS_AC_KERNEL_BIO_SET_DEV

24
include/os/linux/kernel/linux/blkdev_compat.h
View File

@ -426,11 +426,7 @@ vdev_lookup_bdev(const char *path, dev_t *dev)
static inline void
bio_set_op_attrs(struct bio *bio, unsigned rw, unsigned flags)
{
#if defined(HAVE_BIO_BI_OPF)
bio->bi_opf = rw | flags;
#else
bio->bi_rw |= rw | flags;
#endif /* HAVE_BIO_BI_OPF */
}
#endif
@ -473,9 +469,6 @@ bio_set_flush(struct bio *bio)
* 4.8-rc0 - 4.8-rc1,
* REQ_PREFLUSH
*
* 2.6.36 - 4.7 API,
* REQ_FLUSH
*
* in all cases but may have a performance impact for some kernels. It
* has the advantage of minimizing kernel specific changes in the zvol code.
*
@ -483,14 +476,10 @@ bio_set_flush(struct bio *bio)
static inline boolean_t
bio_is_flush(struct bio *bio)
{
#if defined(HAVE_REQ_OP_FLUSH) && defined(HAVE_BIO_BI_OPF)
#if defined(HAVE_REQ_OP_FLUSH)
return ((bio_op(bio) == REQ_OP_FLUSH) || (bio->bi_opf & REQ_PREFLUSH));
#elif defined(HAVE_REQ_PREFLUSH) && defined(HAVE_BIO_BI_OPF)
#elif defined(HAVE_REQ_PREFLUSH)
return (bio->bi_opf & REQ_PREFLUSH);
#elif defined(HAVE_REQ_PREFLUSH) && !defined(HAVE_BIO_BI_OPF)
return (bio->bi_rw & REQ_PREFLUSH);
#elif defined(HAVE_REQ_FLUSH)
return (bio->bi_rw & REQ_FLUSH);
#else
#error "Unsupported kernel"
#endif
@ -499,20 +488,11 @@ bio_is_flush(struct bio *bio)
/*
* 4.8 API,
* REQ_FUA flag moved to bio->bi_opf
*
* 2.6.x - 4.7 API,
* REQ_FUA
*/
static inline boolean_t
bio_is_fua(struct bio *bio)
{
#if defined(HAVE_BIO_BI_OPF)
return (bio->bi_opf & REQ_FUA);
#elif defined(REQ_FUA)
return (bio->bi_rw & REQ_FUA);
#else
#error "Allowing the build will cause fua requests to be ignored."
#endif
}
/*