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Linux 3.19 compat: file_inode was added

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struct access f->f_dentry->d_inode was replaced by accessor function
file_inode(f)

Signed-off-by: Joerg Thalheim <joerg@higgsboson.tk>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3084
This commit is contained in:
Jörg Thalheim 2015-02-07 13:41:01 +01:00 committed by Brian Behlendorf
parent 77aef6f60e
commit 534759fad3
4 changed files with 35 additions and 2 deletions
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19
config/kernel-file-inode.m4 Normal file
View File

@ -0,0 +1,19 @@
dnl #
dnl # 3.19 API change
dnl # struct access f->f_dentry->d_inode was replaced by accessor function
dnl # file_inode(f)
dnl #
AC_DEFUN([ZFS_AC_KERNEL_FILE_INODE], [
AC_MSG_CHECKING([whether file_inode() is available])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct file *f = NULL;
file_inode(f);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_FILE_INODE, 1, [file_inode() is available])
],[
AC_MSG_RESULT(no)
])
])

1
config/kernel.m4
View File

@ -61,6 +61,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL
ZFS_AC_KERNEL_CURRENT_UMASK
ZFS_AC_KERNEL_SHOW_OPTIONS
ZFS_AC_KERNEL_FILE_INODE
ZFS_AC_KERNEL_FSYNC
ZFS_AC_KERNEL_EVICT_INODE
ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS

13
include/linux/vfs_compat.h
View File

@ -21,6 +21,7 @@
/*
* Copyright (C) 2011 Lawrence Livermore National Security, LLC.
* Copyright (C) 2015 Jörg Thalheim.
*/
#ifndef _ZFS_VFS_H
@ -328,4 +329,16 @@ current_umask(void)
#define zpl_inode_owner_or_capable(ip) is_owner_or_cap(ip)
#endif /* HAVE_INODE_OWNER_OR_CAPABLE */
/*
* 3.19 API change
* struct access f->f_dentry->d_inode was replaced by accessor function
* file_inode(f)
*/
#ifndef HAVE_FILE_INODE
static inline struct inode *file_inode(const struct file *f)
{
return (f->f_dentry->d_inode);
}
#endif /* HAVE_FILE_INODE */
#endif /* _ZFS_VFS_H */

4
module/zfs/zpl_file.c
View File

@ -617,7 +617,7 @@ zpl_fallocate(struct file *filp, int mode, loff_t offset, loff_t len)
static int
zpl_ioctl_getflags(struct file *filp, void __user *arg)
{
struct inode *ip = filp->f_dentry->d_inode;
struct inode *ip = file_inode(filp);
unsigned int ioctl_flags = 0;
uint64_t zfs_flags = ITOZ(ip)->z_pflags;
int error;
@ -653,7 +653,7 @@ zpl_ioctl_getflags(struct file *filp, void __user *arg)
static int
zpl_ioctl_setflags(struct file *filp, void __user *arg)
{
struct inode *ip = filp->f_dentry->d_inode;
struct inode *ip = file_inode(filp);
uint64_t zfs_flags = ITOZ(ip)->z_pflags;
unsigned int ioctl_flags;
cred_t *cr = CRED();