Attachment 149486 Details for Bug 195061 – Disable free on file backed vdevs

[patch] Disable free on file backed vdevs

vdev_file_free.patch (text/plain), 1.17 KB, created by Steven Hartland on 2014-11-16 15:58:04 UTC

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Creator: Steven Hartland

Created: 2014-11-16 15:58:04 UTC

Size: 1.17 KB

patch

obsolete

>Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c
>===================================================================
>--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c	(revision 274532)
>+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_file.c	(working copy)
>@@ -129,6 +129,8 @@ skip_open:
> 		return (error);
> 	}
> 
>+	vd->vdev_notrim = B_TRUE;
>+
> 	*max_psize = *psize = vattr.va_size;
> 	*logical_ashift = SPA_MINBLOCKSHIFT;
> 	*physical_ashift = SPA_MINBLOCKSHIFT;
>@@ -171,11 +173,12 @@ vdev_file_io_start(zio_t *zio)
> 	vf = vd->vdev_tsd;
> 	vp = vf->vf_vnode;
> 
>-	if (zio->io_type == ZIO_TYPE_IOCTL) {
>+	switch (zio->io_type) {
>+	case ZIO_TYPE_IOCTL:
> 		switch (zio->io_cmd) {
> 		case DKIOCFLUSHWRITECACHE:
>-			zio->io_error = VOP_FSYNC(vp, FSYNC | FDSYNC,
>-			    kcred, NULL);
>+			zio->io_error = VOP_FSYNC(vp, FSYNC | FDSYNC, kcred,
>+			    NULL);
> 			break;
> 		default:
> 			zio->io_error = SET_ERROR(ENOTSUP);
>@@ -183,6 +186,10 @@ vdev_file_io_start(zio_t *zio)
> 
> 		zio_execute(zio);
> 		return;
>+        case ZIO_TYPE_FREE:
>+		zio->io_error = SET_ERROR(ENOTSUP);
>+		zio_execute(zio);
>+		return;
> 	}
> 
> 	zio->io_error = vn_rdwr(zio->io_type == ZIO_TYPE_READ ?

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Attachments on bug 195061: 149477 | 149483 | 149484 | 149486 | 149495