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zfs: add patch for Linux 5.16 compat.

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Still missing patch for [1]. Lack of FPU acceleration for encryption is
a performance issue and annoying, but it doesn't explicitly break
anything, and we should wait for fixes to actually be merged.

[1] https://github.com/openzfs/zfs/issues/13042
This commit is contained in:
Érico Nogueira 2022-01-25 15:46:55 -03:00 committed by Érico Nogueira Rolim
parent eafc80e9a9
commit d7c90369ad
2 changed files with 277 additions and 1 deletions
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276
srcpkgs/zfs/patches/12975.patch Normal file
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@ -0,0 +1,276 @@
From 7b926912e9a968341c2140f7b887261fea86c706 Mon Sep 17 00:00:00 2001
From: Rich Ercolani <rincebrain@gmail.com>
Date: Fri, 14 Jan 2022 05:09:08 -0500
Subject: [PATCH 1/4] Linux 5.16 compat: Check slab.h for kvmalloc
As it says on the tin - the folio work moved a bunch out of mm.h.
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
---
config/kernel-kmem.m4 | 1 +
1 file changed, 1 insertion(+)
diff --git a/config/kernel-kmem.m4 b/config/kernel-kmem.m4
index 43f9e72f88d..03c2a41fbdb 100644
--- a/config/kernel-kmem.m4
+++ b/config/kernel-kmem.m4
@@ -64,6 +64,7 @@ dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_KVMALLOC], [
ZFS_LINUX_TEST_SRC([kvmalloc], [
#include <linux/mm.h>
+ #include <linux/slab.h>
],[
void *p __attribute__ ((unused));
From 1ca38ed9280ce80e7a12813b54dc5ade5e78f61b Mon Sep 17 00:00:00 2001
From: Rich Ercolani <rincebrain@gmail.com>
Date: Fri, 14 Jan 2022 05:08:33 -0500
Subject: [PATCH 2/4] Linux 5.16 compat: Added add_disk check for return
add_disk went from void to must-check int return.
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
---
config/kernel-add-disk.m4 | 27 +++++++++++++++++++++++++++
config/kernel.m4 | 2 ++
module/os/linux/zfs/zvol_os.c | 4 ++++
3 files changed, 33 insertions(+)
create mode 100644 config/kernel-add-disk.m4
diff --git a/config/kernel-add-disk.m4 b/config/kernel-add-disk.m4
new file mode 100644
index 00000000000..3bc40f1e7d2
--- /dev/null
+++ b/config/kernel-add-disk.m4
@@ -0,0 +1,27 @@
+dnl #
+dnl # 5.16 API change
+dnl # add_disk grew a must-check return code
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_ADD_DISK], [
+
+ ZFS_LINUX_TEST_SRC([add_disk_ret], [
+ #include <linux/genhd.h>
+ ], [
+ struct gendisk *disk = NULL;
+ int err = add_disk(disk);
+ err = err;
+ ])
+
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_ADD_DISK], [
+ AC_MSG_CHECKING([whether add_disk() returns int])
+ ZFS_LINUX_TEST_RESULT([add_disk_ret],
+ [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_ADD_DISK_RET, 1,
+ [add_disk() returns int])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index bdd3caed2b3..b3ed966b726 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -135,6 +135,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG
ZFS_AC_KERNEL_SRC_PAGEMAP_FOLIO_WAIT_BIT
+ ZFS_AC_KERNEL_SRC_ADD_DISK
AC_MSG_CHECKING([for available kernel interfaces])
ZFS_LINUX_TEST_COMPILE_ALL([kabi])
@@ -243,6 +244,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_VFS_SET_PAGE_DIRTY_NOBUFFERS
ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG
ZFS_AC_KERNEL_PAGEMAP_FOLIO_WAIT_BIT
+ ZFS_AC_KERNEL_ADD_DISK
])
dnl #
diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index cef52e22483..e26d4db4977 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -1110,7 +1110,11 @@ zvol_os_create_minor(const char *name)
rw_enter(&zvol_state_lock, RW_WRITER);
zvol_insert(zv);
rw_exit(&zvol_state_lock);
+#ifdef HAVE_ADD_DISK_RET
+ error = add_disk(zv->zv_zso->zvo_disk);
+#else
add_disk(zv->zv_zso->zvo_disk);
+#endif
} else {
ida_simple_remove(&zvol_ida, idx);
}
From a0b11a8996b55a0bb3c1c100fa6f392ca90d74b0 Mon Sep 17 00:00:00 2001
From: Rich Ercolani <rincebrain@gmail.com>
Date: Fri, 14 Jan 2022 05:07:33 -0500
Subject: [PATCH 3/4] Linux 5.16 compat: Added mapping for
iov_iter_fault_in_readable
Linux decided to rename this for some reason. At some point, we
should probably invert this mapping, but for now...
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
---
config/kernel-add-disk.m4 | 1 -
config/kernel-vfs-iov_iter.m4 | 22 ++++++++++++++++++++--
include/os/linux/spl/sys/uio.h | 4 ++++
3 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/config/kernel-add-disk.m4 b/config/kernel-add-disk.m4
index 3bc40f1e7d2..5d1779eb432 100644
--- a/config/kernel-add-disk.m4
+++ b/config/kernel-add-disk.m4
@@ -13,7 +13,6 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_ADD_DISK], [
])
])
-
AC_DEFUN([ZFS_AC_KERNEL_ADD_DISK], [
AC_MSG_CHECKING([whether add_disk() returns int])
ZFS_LINUX_TEST_RESULT([add_disk_ret],
diff --git a/config/kernel-vfs-iov_iter.m4 b/config/kernel-vfs-iov_iter.m4
index ecdda939f1c..57f78745a24 100644
--- a/config/kernel-vfs-iov_iter.m4
+++ b/config/kernel-vfs-iov_iter.m4
@@ -41,6 +41,17 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_IOV_ITER], [
error = iov_iter_fault_in_readable(&iter, size);
])
+ ZFS_LINUX_TEST_SRC([fault_in_iov_iter_readable], [
+ #include <linux/fs.h>
+ #include <linux/uio.h>
+ ],[
+ struct iov_iter iter = { 0 };
+ size_t size = 512;
+ int error __attribute__ ((unused));
+
+ error = fault_in_iov_iter_readable(&iter, size);
+ ])
+
ZFS_LINUX_TEST_SRC([iov_iter_count], [
#include <linux/fs.h>
#include <linux/uio.h>
@@ -123,8 +134,15 @@ AC_DEFUN([ZFS_AC_KERNEL_VFS_IOV_ITER], [
AC_DEFINE(HAVE_IOV_ITER_FAULT_IN_READABLE, 1,
[iov_iter_fault_in_readable() is available])
],[
- AC_MSG_RESULT(no)
- enable_vfs_iov_iter="no"
+ AC_MSG_CHECKING([whether fault_in_iov_iter_readable() is available])
+ ZFS_LINUX_TEST_RESULT([fault_in_iov_iter_readable], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FAULT_IN_IOV_ITER_READABLE, 1,
+ [fault_in_iov_iter_readable() is available])
+ ],[
+ AC_MSG_RESULT(no)
+ enable_vfs_iov_iter="no"
+ ])
])
AC_MSG_CHECKING([whether iov_iter_count() is available])
diff --git a/include/os/linux/spl/sys/uio.h b/include/os/linux/spl/sys/uio.h
index 66af2b0b534..439eec98623 100644
--- a/include/os/linux/spl/sys/uio.h
+++ b/include/os/linux/spl/sys/uio.h
@@ -34,6 +34,10 @@
#include <asm/uaccess.h>
#include <sys/types.h>
+#if defined(HAVE_VFS_IOV_ITER) && defined(HAVE_FAULT_IN_IOV_ITER_READABLE)
+#define iov_iter_fault_in_readable(a, b) fault_in_iov_iter_readable(a, b)
+#endif
+
typedef struct iovec iovec_t;
typedef enum zfs_uio_rw {
From 700bb88b595d0e73ad3c19767cec68cb8081be2d Mon Sep 17 00:00:00 2001
From: Rich Ercolani <rincebrain@gmail.com>
Date: Wed, 19 Jan 2022 00:12:15 -0500
Subject: [PATCH 4/4] Add support for FALLOC_FL_ZERO_RANGE
For us, I think it's always just FALLOC_FL_PUNCH_HOLE with a fake
mustache on.
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
---
config/kernel-fallocate.m4 | 17 +++++++++++++++++
module/os/linux/zfs/zpl_file.c | 9 +++++++--
2 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/config/kernel-fallocate.m4 b/config/kernel-fallocate.m4
index 7a8550f7e76..815602d3e2c 100644
--- a/config/kernel-fallocate.m4
+++ b/config/kernel-fallocate.m4
@@ -3,6 +3,10 @@ dnl # Linux 2.6.38 - 3.x API
dnl # The fallocate callback was moved from the inode_operations
dnl # structure to the file_operations structure.
dnl #
+dnl #
+dnl # Linux 3.15+
+dnl # fallocate learned a new flag, FALLOC_FL_ZERO_RANGE
+dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_FALLOCATE], [
ZFS_LINUX_TEST_SRC([file_fallocate], [
#include <linux/fs.h>
@@ -15,12 +19,25 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_FALLOCATE], [
.fallocate = test_fallocate,
};
], [])
+ ZFS_LINUX_TEST_SRC([falloc_fl_zero_range], [
+ #include <linux/falloc.h>
+ ],[
+ int flags __attribute__ ((unused));
+ flags = FALLOC_FL_ZERO_RANGE;
+ ])
])
AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [
AC_MSG_CHECKING([whether fops->fallocate() exists])
ZFS_LINUX_TEST_RESULT([file_fallocate], [
AC_MSG_RESULT(yes)
+ AC_MSG_CHECKING([whether FALLOC_FL_ZERO_RANGE exists])
+ ZFS_LINUX_TEST_RESULT([falloc_fl_zero_range], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FALLOC_FL_ZERO_RANGE, 1, [FALLOC_FL_ZERO_RANGE is defined])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
],[
ZFS_LINUX_TEST_ERROR([file_fallocate])
])
diff --git a/module/os/linux/zfs/zpl_file.c b/module/os/linux/zfs/zpl_file.c
index 21926f170c5..a3af1804f6a 100644
--- a/module/os/linux/zfs/zpl_file.c
+++ b/module/os/linux/zfs/zpl_file.c
@@ -745,7 +745,12 @@ zpl_fallocate_common(struct inode *ip, int mode, loff_t offset, loff_t len)
fstrans_cookie_t cookie;
int error = 0;
- if ((mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) != 0)
+ int test_mode = FALLOC_FL_PUNCH_HOLE;
+#ifdef HAVE_FALLOC_FL_ZERO_RANGE
+ test_mode |= FALLOC_FL_ZERO_RANGE;
+#endif
+
+ if ((mode & ~(FALLOC_FL_KEEP_SIZE | test_mode)) != 0)
return (-EOPNOTSUPP);
if (offset < 0 || len <= 0)
@@ -756,7 +761,7 @@ zpl_fallocate_common(struct inode *ip, int mode, loff_t offset, loff_t len)
crhold(cr);
cookie = spl_fstrans_mark();
- if (mode & FALLOC_FL_PUNCH_HOLE) {
+ if (mode & (test_mode)) {
flock64_t bf;
if (offset > olen)

2
srcpkgs/zfs/template
View file

@ -1,7 +1,7 @@
# Template file for 'zfs' # Template file for 'zfs'
pkgname=zfs pkgname=zfs
version=2.1.2 version=2.1.2
revision=1 revision=2
build_style=gnu-configure build_style=gnu-configure
configure_args="--with-config=user --with-mounthelperdir=/usr/bin configure_args="--with-config=user --with-mounthelperdir=/usr/bin
--with-udevdir=/usr/lib/udev --with-udevruledir=/usr/lib/udev/rules.d --with-udevdir=/usr/lib/udev --with-udevruledir=/usr/lib/udev/rules.d