From 5210b7965f9f9e07bf8973005ff246329ef85720 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Fri, 1 May 2015 23:03:31 +0200 Subject: [PATCH] loop.4: Document LOOP_SET_CAPACITY Signed-off-by: Michael Kerrisk --- man4/loop.4 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/man4/loop.4 b/man4/loop.4 index 7c2c54b68..33e5b4199 100644 --- a/man4/loop.4 +++ b/man4/loop.4 @@ -135,6 +135,13 @@ The (third) .BR ioctl (2) argument must be a pointer to a .IR "struct loop_info" . +.TP +.BR LOOP_SET_CAPACITY " (since Linux 2.6.30)" +.\" commit 53d6660836f233df66490707365ab177e5fb2bb4 +Resize a live loop device. +One can change the size of the underlying backing store and then use this +operation so that the loop driver learns about the new size. +This operation takes no argument. .PP Since Linux 2.6, there are two new .BR ioctl (2)