Author: markj
Date: Sat Jul 8 20:11:06 2017
New Revision: 320813
URL: https://svnweb.freebsd.org/changeset/base/320813
Log:
Add some helper definitions to fs.h in the LinuxKPI.
Add a field to struct linux_file to allow the creation of anonymous
shmem objects.
MFC after: 1 week
Modified:
head/sys/compat/linuxkpi/common/include/linux/fs.h
head/sys/compat/linuxkpi/common/src/linux_compat.c
Modified: head/sys/compat/linuxkpi/common/include/linux/fs.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/fs.h Sat Jul 8 19:22:29
2017 (r320812)
+++ head/sys/compat/linuxkpi/common/include/linux/fs.h Sat Jul 8 20:11:06
2017 (r320813)
@@ -80,8 +80,12 @@ struct linux_file {
struct selinfo f_selinfo;
struct sigio *f_sigio;
struct vnode *f_vnode;
+#define f_inode f_vnode
volatile u_int f_count;
+ /* anonymous shmem object */
+ vm_object_t f_shmem;
+
/* kqfilter support */
int f_kqflags;
#define LINUX_KQ_FLAG_HAS_READ (1 << 0)
@@ -156,7 +160,8 @@ struct file_operations {
int (*setlease)(struct file *, long, struct file_lock **);
#endif
};
-#define fops_get(fops) (fops)
+#define fops_get(fops) (fops)
+#define replace_fops(f, fops) ((f)->f_op = (fops))
#define FMODE_READ FREAD
#define FMODE_WRITE FWRITE
Modified: head/sys/compat/linuxkpi/common/src/linux_compat.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_compat.c Sat Jul 8 19:22:29
2017 (r320812)
+++ head/sys/compat/linuxkpi/common/src/linux_compat.c Sat Jul 8 20:11:06
2017 (r320813)
@@ -463,6 +463,8 @@ void
linux_file_free(struct linux_file *filp)
{
if (filp->_file == NULL) {
+ if (filp->f_shmem != NULL)
+ vm_object_deallocate(filp->f_shmem);
kfree(filp);
} else {
/*
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