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-rw-r--r--disk-utils/blockdev.83
1 files changed, 2 insertions, 1 deletions
diff --git a/disk-utils/blockdev.8 b/disk-utils/blockdev.8
index 0f3291391..ceaa83a9e 100644
--- a/disk-utils/blockdev.8
+++ b/disk-utils/blockdev.8
@@ -80,7 +80,8 @@ Set filesystem readahead (same like \-\-setra on 2.6 kernels).
.IP "\fB\-\-setra\fP \fIsectors\fP"
Set readahead (in 512-byte sectors).
.IP "\fB\-\-setro\fP"
-Set read-only.
+Set read-only. The currently active access to the device may not be affected by the change. For example
+filesystem already mounted in read-write mode will not be affected. The change applies after remount.
.IP "\fB\-\-setrw\fP"
Set read-write.
.SH AUTHOR