If we encounter a target that's really a regular file,
even without "-d file..." on the cmdline, call
platform_findsizes() instead of blkid_get_topology to
try to discover the "sector size" via the fsgeom() call.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 37c05a9..74180c9 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -454,12 +454,26 @@ static void get_topology(
struct fs_topology *ft,
int force_overwrite)
{
- if (!xi->disfile) {
- const char *dfile = xi->volname ? xi->volname : xi->dname;
+ int is_a_file = 0;
+ struct stat statbuf;
+ char *dfile = xi->volname ? xi->volname : xi->dname;
+ if (!stat(dfile, &statbuf) && S_ISREG(statbuf.st_mode))
+ is_a_file = 1;
+
+ if (!xi->disfile && !is_a_file) {
blkid_get_topology(dfile, &ft->dsunit, &ft->dswidth,
&ft->lsectorsize, &ft->psectorsize,
force_overwrite);
+ } else {
+ int fd;
+ long long dummy;
+
+ fd = open(dfile, O_RDONLY);
+ if (fd >= 0) {
+ platform_findsizes(dfile, fd, &dummy, &ft->lsectorsize);
+ close(fd);
+ }
}
if (xi->rtname && !xi->risfile) {
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