Date: Tue, 24 Jan 2023 08:53:55 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 6024bee614f2 - stable/13 - linuxkpi: Introduce `vma_set_file()` Message-ID: <202301240853.30O8rtbg035659@gitrepo.freebsd.org>
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The branch stable/13 has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=6024bee614f2e90442666ebb0829f3424f975830 commit 6024bee614f2e90442666ebb0829f3424f975830 Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2022-11-11 17:36:00 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2023-01-24 09:08:00 +0000 linuxkpi: Introduce `vma_set_file()` This code was moved from the i915 driver in Linux 5.11. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D36957 (cherry picked from commit c72dd0aabe25dd4ea82e5b83d36f706d8bd2e783) --- sys/compat/linuxkpi/common/include/linux/mm.h | 2 ++ sys/compat/linuxkpi/common/src/linux_compat.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h index dd0fb6e2d8f8..4afc1a953f8e 100644 --- a/sys/compat/linuxkpi/common/include/linux/mm.h +++ b/sys/compat/linuxkpi/common/include/linux/mm.h @@ -311,4 +311,6 @@ void lkpi_unmap_mapping_range(void *obj, loff_t const holebegin __unused, #define PAGE_ALIGNED(p) __is_aligned(p, PAGE_SIZE) +void vma_set_file(struct vm_area_struct *vma, struct linux_file *file); + #endif /* _LINUXKPI_LINUX_MM_H_ */ diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c index 33da7dd1c8e1..082219721de1 100644 --- a/sys/compat/linuxkpi/common/src/linux_compat.c +++ b/sys/compat/linuxkpi/common/src/linux_compat.c @@ -834,6 +834,18 @@ zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, return (0); } +void +vma_set_file(struct vm_area_struct *vma, struct linux_file *file) +{ + struct linux_file *tmp; + + /* Changing an anonymous vma with this is illegal */ + get_file(file); + tmp = vma->vm_file; + vma->vm_file = file; + fput(tmp); +} + static struct file_operations dummy_ldev_ops = { /* XXXKIB */ };
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