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Add some helper definitions to fs.h in the LinuxKPI.

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Add a field to struct linux_file to allow the creation of anonymous
shmem objects.

MFC after:	1 week
This commit is contained in:
markj 2017-07-08 20:11:06 +00:00
parent 07c668198e
commit 13bdb56c14
2 changed files with 8 additions and 1 deletions
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7
sys/compat/linuxkpi/common/include/linux/fs.h
View File

@ -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

2
sys/compat/linuxkpi/common/src/linux_compat.c
View File

@ -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 {
/*