From 7df40c23f6259559b97604ba66d0384311c51e0b Mon Sep 17 00:00:00 2001 From: Ingo Weinhold Date: Mon, 28 Jul 2008 23:33:49 +0000 Subject: [PATCH] Added handy function volume_for_vnode() which returns the fs_volume for a given given fs_vnode. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26669 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- headers/os/drivers/fs_interface.h | 1 + src/system/kernel/fs/vfs.cpp | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/headers/os/drivers/fs_interface.h b/headers/os/drivers/fs_interface.h index 635494f120..724126f7ab 100644 --- a/headers/os/drivers/fs_interface.h +++ b/headers/os/drivers/fs_interface.h @@ -313,6 +313,7 @@ extern status_t remove_vnode(fs_volume *volume, ino_t vnodeID); extern status_t unremove_vnode(fs_volume *volume, ino_t vnodeID); extern status_t get_vnode_removed(fs_volume *volume, ino_t vnodeID, bool *removed); +extern fs_volume* volume_for_vnode(fs_vnode *vnode); extern status_t read_pages(int fd, off_t pos, const struct iovec *vecs, size_t count, size_t *_numBytes); diff --git a/src/system/kernel/fs/vfs.cpp b/src/system/kernel/fs/vfs.cpp index fa8d32483a..d5321fb192 100644 --- a/src/system/kernel/fs/vfs.cpp +++ b/src/system/kernel/fs/vfs.cpp @@ -3280,6 +3280,17 @@ get_vnode_removed(fs_volume *volume, ino_t vnodeID, bool* removed) } +extern "C" fs_volume* +volume_for_vnode(fs_vnode *_vnode) +{ + if (_vnode == NULL) + return NULL; + + struct vnode* vnode = static_cast(_vnode); + return vnode->mount->volume; +} + + extern "C" status_t read_pages(int fd, off_t pos, const iovec *vecs, size_t count, size_t *_numBytes)