diff options
Diffstat (limited to 'sys/kern/vfs_vnops.c')
| -rw-r--r-- | sys/kern/vfs_vnops.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 838f8f7..edc7ea8 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$"); #include <sys/bio.h> #include <sys/buf.h> #include <sys/filio.h> +#include <sys/resourcevar.h> #include <sys/sx.h> #include <sys/ttycom.h> #include <sys/conf.h> @@ -1338,3 +1339,21 @@ vn_vget_ino(struct vnode *vp, ino_t ino, int lkflags, struct vnode **rvp) } return (error); } + +int +vn_rlimit_fsize(const struct vnode *vp, const struct uio *uio, const struct thread *td) +{ + if (vp->v_type != VREG || td == NULL) + return (0); + + PROC_LOCK(td->td_proc); + if (uio->uio_offset + uio->uio_resid > + lim_cur(td->td_proc, RLIMIT_FSIZE)) { + psignal(td->td_proc, SIGXFSZ); + PROC_UNLOCK(td->td_proc); + return (EFBIG); + } + PROC_UNLOCK(td->td_proc); + + return (0); +} |
