From 9a4ec7539041f9ff25b947b2716aded028c0291f Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 21 May 2024 22:15:27 -0400 Subject: kernel: vfs: Add support for close VOP Signed-off-by: Ian Moffett --- sys/include/sys/vfs.h | 1 + sys/include/sys/vnode.h | 1 + sys/kern/kern_filedesc.c | 4 ++++ sys/kern/vfs_subr.c | 9 +++++++++ 4 files changed, 15 insertions(+) (limited to 'sys') diff --git a/sys/include/sys/vfs.h b/sys/include/sys/vfs.h index 98aef3f..1f7e423 100644 --- a/sys/include/sys/vfs.h +++ b/sys/include/sys/vfs.h @@ -60,6 +60,7 @@ ssize_t vfs_write(struct vnode *vp, struct sio_txn *sio); int vfs_getattr(struct vnode *vp, struct vattr *vattr); int vfs_open(struct vnode *vp); +int vfs_close(struct vnode *vp); uint64_t sys_mount(struct syscall_args *args); #endif /* defined(_KERNEL) */ diff --git a/sys/include/sys/vnode.h b/sys/include/sys/vnode.h index 71fc5c2..8201f94 100644 --- a/sys/include/sys/vnode.h +++ b/sys/include/sys/vnode.h @@ -45,6 +45,7 @@ struct vops { int(*write)(struct vnode *vp, struct sio_txn *sio); int(*getattr)(struct vnode *vp, struct vattr *vattr); int(*open)(struct vnode *vp); + int(*close)(struct vnode *vp); }; struct vattr { diff --git a/sys/kern/kern_filedesc.c b/sys/kern/kern_filedesc.c index 74ab859..ec0aee7 100644 --- a/sys/kern/kern_filedesc.c +++ b/sys/kern/kern_filedesc.c @@ -211,6 +211,10 @@ fd_close_fdnum(struct proc *td, int fdno) return; } + if (fd->vnode != NULL) { + vfs_close(fd->vnode); + } + dynfree(fd); td->fds[fdno] = NULL; } diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index f760831..60afa31 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -247,3 +247,12 @@ int vfs_open(struct vnode *vp) return vp->vops->open(vp); } + +int +vfs_close(struct vnode *vp) +{ + if (vp->vops->close == NULL) + return -EIO; + + return vp->vops->close(vp); +} -- cgit v1.2.3