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authorJörg Thalheim <[email protected]>2015-02-07 13:41:01 +0100
committerBrian Behlendorf <[email protected]>2015-02-10 11:24:51 -0800
commit534759fad30ca55608bcd42a0af5a87c8c4feb36 (patch)
treeed56f8b9045442cd59ef799a0615936cac083da4
parent77aef6f60ea29f6d3769addc778db6328ac85755 (diff)
Linux 3.19 compat: file_inode was added
struct access f->f_dentry->d_inode was replaced by accessor function file_inode(f) Signed-off-by: Joerg Thalheim <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #3084
-rw-r--r--config/kernel-file-inode.m419
-rw-r--r--config/kernel.m41
-rw-r--r--include/linux/vfs_compat.h13
-rw-r--r--module/zfs/zpl_file.c4
4 files changed, 35 insertions, 2 deletions
diff --git a/config/kernel-file-inode.m4 b/config/kernel-file-inode.m4
new file mode 100644
index 000000000..300188fa3
--- /dev/null
+++ b/config/kernel-file-inode.m4
@@ -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)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index bdfb19c83..e0b795422 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -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
diff --git a/include/linux/vfs_compat.h b/include/linux/vfs_compat.h
index 098cf05f3..6f5a9dc96 100644
--- a/include/linux/vfs_compat.h
+++ b/include/linux/vfs_compat.h
@@ -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 */
diff --git a/module/zfs/zpl_file.c b/module/zfs/zpl_file.c
index 1f4f219ed..5f5bbba3d 100644
--- a/module/zfs/zpl_file.c
+++ b/module/zfs/zpl_file.c
@@ -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();