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-rw-r--r--fdisk/fdisk.84
1 files changed, 3 insertions, 1 deletions
diff --git a/fdisk/fdisk.8 b/fdisk/fdisk.8
index 367837d9d..30dc9678a 100644
--- a/fdisk/fdisk.8
+++ b/fdisk/fdisk.8
@@ -182,7 +182,9 @@ program and Linux partitions with the Linux fdisk or Linux cfdisk program.
.BI "\-b " sectorsize
Specify the sector size of the disk. Valid values are 512, 1024, 2048 or 4096.
(Recent kernels know the sector size. Use this only on old kernels or
-to override the kernel's ideas.)
+to override the kernel's ideas.) Since util-linux-ng 2.17 fdisk differentiates
+between logical and physical sector size. This option changes both sector sizes to
+.IB sectorsize .
.TP
.BI \-h
Print help and then exit.