Партнёры:
Хостинг:
vfs_mountedon - check if the vnode belongs to a mounted file system
A common use of
vfs_mountedon ();
is to call it on device vnodes to determine if they are already associated with
a file system.
This is done to prevent multiple mounts on the same device.
int
ffs_mountfs(devvp, mp, td, malloctype)
register struct vnode *devvp;
struct mount *mp;
struct thread *td;
struct malloc_type *malloctype;
{
...
error = vfs_mountedon(devvp);
if (error)
return (error);
...
}
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