xlosetup: removed warning about unsuitable backing file size

Warning might be flase positiv if a QCOW backing file is loaded. The correct check of the file format size is already implemented in the xloop Linux kernel module and not needed in xlosetup anymore.

1 files changed, 0 insertions, 24 deletions

diff --git a/utils/sys-utils/xlosetup.c b/utils/sys-utils/xlosetup.c
index 8a215ec..60fa0ba 100644
--- a/utils/sys-utils/xlosetup.c
+++ b/utils/sys-utils/xlosetup.c
@@ -463,29 +463,6 @@ static void __attribute__((__noreturn__)) usage(void)
 	exit(EXIT_SUCCESS);
 }
 
-static void warn_size(const char *filename, uint64_t size, uint64_t offset, int flags)
-{
-	struct stat st;
-
-	if (!size) {
-		if (stat(filename, &st) || S_ISBLK(st.st_mode))
-			return;
-		size = st.st_size;
-
-		if (flags & LOOPDEV_FL_OFFSET)
-			size -= offset;
-	}
-
-	if (size < 512)
-		warnx(_("%s: Warning: file is smaller than 512 bytes; the xloop device "
-			"may be useless or invisible for system tools."),
-			filename);
-	else if (size % 512)
-		warnx(_("%s: Warning: file does not fit into a 512-byte sector; "
-		        "the end of the file will be ignored."),
-			filename);
-}
-
 static int create_loop(struct loopdev_cxt *lc,
 		       int nooverlap, int lo_flags, int flags,
 		       const char *file, uint64_t offset, uint64_t sizelimit,
@@ -876,7 +853,6 @@ int main(int argc, char **argv)
 		if (res == 0) {
 			if (showdev)
 				printf("%s\n", loopcxt_get_device(&lc));
-			warn_size(file, sizelimit, offset, flags);
 			if (set_dio)
 				goto lo_set_dio;
 		}