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Added handy function volume_for_vnode() which returns the fs_volume for

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a given given fs_vnode.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26669 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-07-28 23:33:49 +00:00
parent db191ade9a
commit 7df40c23f6
2 changed files with 12 additions and 0 deletions
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headers/os/drivers/fs_interface.h
+1
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@@ -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 unremove_vnode(fs_volume *volume, ino_t vnodeID);
extern status_t get_vnode_removed(fs_volume *volume, ino_t vnodeID, extern status_t get_vnode_removed(fs_volume *volume, ino_t vnodeID,
bool *removed); 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, extern status_t read_pages(int fd, off_t pos, const struct iovec *vecs,
size_t count, size_t *_numBytes); size_t count, size_t *_numBytes);
src/system/kernel/fs/vfs.cpp
+11
View File
@@ -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<struct vnode*>(_vnode);
return vnode->mount->volume;
}
extern "C" status_t extern "C" status_t
read_pages(int fd, off_t pos, const iovec *vecs, size_t count, read_pages(int fd, off_t pos, const iovec *vecs, size_t count,
size_t *_numBytes) size_t *_numBytes)