diff options
Diffstat (limited to 'sys/dev/xen/blkback/blkback.c')
| -rw-r--r-- | sys/dev/xen/blkback/blkback.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/sys/dev/xen/blkback/blkback.c b/sys/dev/xen/blkback/blkback.c index c2e5b30..9c92309 100644 --- a/sys/dev/xen/blkback/blkback.c +++ b/sys/dev/xen/blkback/blkback.c @@ -2250,7 +2250,6 @@ xbb_dispatch_file(struct xbb_softc *xbb, struct xbb_xen_reqlist *reqlist, void **p_vaddr; int saved_uio_iovcnt; #endif /* XBB_USE_BOUNCE_BUFFERS */ - int vfs_is_locked; int error; file_data = &xbb->backend.file; @@ -2271,8 +2270,6 @@ xbb_dispatch_file(struct xbb_softc *xbb, struct xbb_xen_reqlist *reqlist, SDT_PROBE1(xbb, kernel, xbb_dispatch_file, flush, device_get_unit(xbb->dev)); - vfs_is_locked = VFS_LOCK_GIANT(xbb->vn->v_mount); - (void) vn_start_write(xbb->vn, &mountpoint, V_WAIT); vn_lock(xbb->vn, LK_EXCLUSIVE | LK_RETRY); @@ -2281,8 +2278,6 @@ xbb_dispatch_file(struct xbb_softc *xbb, struct xbb_xen_reqlist *reqlist, vn_finished_write(mountpoint); - VFS_UNLOCK_GIANT(vfs_is_locked); - goto bailout_send_response; /* NOTREACHED */ } @@ -2366,7 +2361,6 @@ xbb_dispatch_file(struct xbb_softc *xbb, struct xbb_xen_reqlist *reqlist, } #endif /* XBB_USE_BOUNCE_BUFFERS */ - vfs_is_locked = VFS_LOCK_GIANT(xbb->vn->v_mount); switch (operation) { case BIO_READ: @@ -2442,7 +2436,6 @@ xbb_dispatch_file(struct xbb_softc *xbb, struct xbb_xen_reqlist *reqlist, panic("invalid operation %d", operation); /* NOTREACHED */ } - VFS_UNLOCK_GIANT(vfs_is_locked); #ifdef XBB_USE_BOUNCE_BUFFERS /* We only need to copy here for read operations */ @@ -2489,7 +2482,6 @@ xbb_close_backend(struct xbb_softc *xbb) DPRINTF("closing dev=%s\n", xbb->dev_name); if (xbb->vn) { int flags = FREAD; - int vfs_is_locked = 0; if ((xbb->flags & XBBF_READ_ONLY) == 0) flags |= FWRITE; @@ -2504,7 +2496,6 @@ xbb_close_backend(struct xbb_softc *xbb) } break; case XBB_TYPE_FILE: - vfs_is_locked = VFS_LOCK_GIANT(xbb->vn->v_mount); break; case XBB_TYPE_NONE: default: @@ -2519,7 +2510,6 @@ xbb_close_backend(struct xbb_softc *xbb) case XBB_TYPE_DISK: break; case XBB_TYPE_FILE: - VFS_UNLOCK_GIANT(vfs_is_locked); if (xbb->backend.file.cred != NULL) { crfree(xbb->backend.file.cred); xbb->backend.file.cred = NULL; @@ -2684,7 +2674,6 @@ xbb_open_backend(struct xbb_softc *xbb) struct nameidata nd; int flags; int error; - int vfs_is_locked; flags = FREAD; error = 0; @@ -2744,8 +2733,6 @@ xbb_open_backend(struct xbb_softc *xbb) return (error); } - vfs_is_locked = NDHASGIANT(&nd); - NDFREE(&nd, NDF_ONLY_PNBUF); xbb->vn = nd.ni_vp; @@ -2761,7 +2748,6 @@ xbb_open_backend(struct xbb_softc *xbb) "or file", xbb->dev_name); } VOP_UNLOCK(xbb->vn, 0); - VFS_UNLOCK_GIANT(vfs_is_locked); if (error != 0) { xbb_close_backend(xbb); |
