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config: remove HAVE_FILEMAP_RANGE_HAS_PAGE

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 2024-08-24 20:36:14 +10:00 committed by Tony Hutter
parent e7ab71a4e7
commit c787133711
6 changed files with 0 additions and 54 deletions
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27
config/kernel-filemap.m4
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@ -1,27 +0,0 @@
dnl #
dnl # filemap_range_has_page was not available till 4.13
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_FILEMAP], [
ZFS_LINUX_TEST_SRC([filemap_range_has_page], [
#include <linux/fs.h>
#include <linux/pagemap.h>
],[
struct address_space *mapping = NULL;
loff_t lstart = 0;
loff_t lend = 0;
bool ret __attribute__ ((unused));
ret = filemap_range_has_page(mapping, lstart, lend);
])
])
AC_DEFUN([ZFS_AC_KERNEL_FILEMAP], [
AC_MSG_CHECKING([whether filemap_range_has_page() is available])
ZFS_LINUX_TEST_RESULT([filemap_range_has_page], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_FILEMAP_RANGE_HAS_PAGE, 1,
[filemap_range_has_page() is available])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -130,7 +130,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_IDMAP_MNT_API
ZFS_AC_KERNEL_SRC_IDMAP_NO_USERNS
ZFS_AC_KERNEL_SRC_IATTR_VFSID
ZFS_AC_KERNEL_SRC_FILEMAP
ZFS_AC_KERNEL_SRC_WRITEPAGE_T
ZFS_AC_KERNEL_SRC_RECLAIMED
ZFS_AC_KERNEL_SRC_REGISTER_SYSCTL_TABLE
@ -252,7 +251,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_IDMAP_MNT_API
ZFS_AC_KERNEL_IDMAP_NO_USERNS
ZFS_AC_KERNEL_IATTR_VFSID
ZFS_AC_KERNEL_FILEMAP
ZFS_AC_KERNEL_WRITEPAGE_T
ZFS_AC_KERNEL_RECLAIMED
ZFS_AC_KERNEL_REGISTER_SYSCTL_TABLE

12
include/os/linux/zfs/sys/zfs_znode_impl.h
View File

@ -47,16 +47,9 @@
extern "C" {
#endif
#if defined(HAVE_FILEMAP_RANGE_HAS_PAGE)
#define ZNODE_OS_FIELDS \
inode_timespec_t z_btime; /* creation/birth time (cached) */ \
struct inode z_inode;
#else
#define ZNODE_OS_FIELDS \
inode_timespec_t z_btime; /* creation/birth time (cached) */ \
struct inode z_inode; \
boolean_t z_is_mapped; /* we are mmap'ed */
#endif
/*
* Convert between znode pointers and inode pointers
@ -77,13 +70,8 @@ extern "C" {
#define Z_ISDEV(type) (S_ISCHR(type) || S_ISBLK(type) || S_ISFIFO(type))
#define Z_ISDIR(type) S_ISDIR(type)
#if defined(HAVE_FILEMAP_RANGE_HAS_PAGE)
#define zn_has_cached_data(zp, start, end) \
filemap_range_has_page(ZTOI(zp)->i_mapping, start, end)
#else
#define zn_has_cached_data(zp, start, end) \
((zp)->z_is_mapped)
#endif
#define zn_flush_cached_data(zp, sync) write_inode_now(ZTOI(zp), sync)
#define zn_rlimit_fsize(size) (0)

3
module/os/linux/zfs/zfs_ctldir.c
View File

@ -500,9 +500,6 @@ zfsctl_inode_alloc(zfsvfs_t *zfsvfs, uint64_t id,
zp->z_atime_dirty = B_FALSE;
zp->z_zn_prefetch = B_FALSE;
zp->z_is_sa = B_FALSE;
#if !defined(HAVE_FILEMAP_RANGE_HAS_PAGE)
zp->z_is_mapped = B_FALSE;
#endif
zp->z_is_ctldir = B_TRUE;
zp->z_sa_hdl = NULL;
zp->z_blksz = 0;

3
module/os/linux/zfs/zfs_znode.c
View File

@ -535,9 +535,6 @@ zfs_znode_alloc(zfsvfs_t *zfsvfs, dmu_buf_t *db, int blksz,
ASSERT3P(zp->z_xattr_cached, ==, NULL);
zp->z_unlinked = B_FALSE;
zp->z_atime_dirty = B_FALSE;
#if !defined(HAVE_FILEMAP_RANGE_HAS_PAGE)
zp->z_is_mapped = B_FALSE;
#endif
zp->z_is_ctldir = B_FALSE;
zp->z_suspended = B_FALSE;
zp->z_sa_hdl = NULL;

7
module/os/linux/zfs/zpl_file.c
View File

@ -432,13 +432,6 @@ zpl_mmap(struct file *filp, struct vm_area_struct *vma)
if (error)
return (error);
#if !defined(HAVE_FILEMAP_RANGE_HAS_PAGE)
znode_t *zp = ITOZ(ip);
mutex_enter(&zp->z_lock);
zp->z_is_mapped = B_TRUE;
mutex_exit(&zp->z_lock);
#endif
return (error);
}