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-rw-r--r--sys/kern/kern_exec.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index 03268365891e..0fc2d0e7f1bc 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -70,6 +70,7 @@
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/timers.h>
+#include <sys/ucoredump.h>
#include <sys/umtxvar.h>
#include <sys/vnode.h>
#include <sys/wait.h>
@@ -2002,10 +2003,14 @@ int
core_write(struct coredump_params *cp, const void *base, size_t len,
off_t offset, enum uio_seg seg, size_t *resid)
{
+ return ((*cp->cdw->write_fn)(cp->cdw, base, len, offset, seg,
+ cp->active_cred, resid, cp->td));
+}
- return (vn_rdwr_inchunks(UIO_WRITE, cp->vp, __DECONST(void *, base),
- len, offset, seg, IO_UNIT | IO_DIRECT | IO_RANGELOCKED,
- cp->active_cred, cp->file_cred, resid, cp->td));
+static int
+core_extend(struct coredump_params *cp, off_t newsz)
+{
+ return ((*cp->cdw->extend_fn)(cp->cdw, newsz, cp->active_cred));
}
int
@@ -2013,7 +2018,6 @@ core_output(char *base, size_t len, off_t offset, struct coredump_params *cp,
void *tmpbuf)
{
vm_map_t map;
- struct mount *mp;
size_t resid, runlen;
int error;
bool success;
@@ -2068,14 +2072,7 @@ core_output(char *base, size_t len, off_t offset, struct coredump_params *cp,
}
}
if (!success) {
- error = vn_start_write(cp->vp, &mp, V_WAIT);
- if (error != 0)
- break;
- vn_lock(cp->vp, LK_EXCLUSIVE | LK_RETRY);
- error = vn_truncate_locked(cp->vp, offset + runlen,
- false, cp->td->td_ucred);
- VOP_UNLOCK(cp->vp);
- vn_finished_write(mp);
+ error = core_extend(cp, offset + runlen);
if (error != 0)
break;
}