Recent kernels implement the RESVP ioctl in common code, so using command for non-XFS filesystems is fine. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Index: xfsprogs-dev/io/prealloc.c =================================================================== --- xfsprogs-dev.orig/io/prealloc.c 2010-07-21 19:11:34.943494680 +0200 +++ xfsprogs-dev/io/prealloc.c 2010-07-21 19:11:57.093494680 +0200 @@ -182,7 +182,7 @@ prealloc_init(void) resvsp_cmd.cfunc = resvsp_f; resvsp_cmd.argmin = 2; resvsp_cmd.argmax = 2; - resvsp_cmd.flags = CMD_NOMAP_OK; + resvsp_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK; resvsp_cmd.args = _("off len"); resvsp_cmd.oneline = _("reserves space associated with part of a file"); _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs