You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.4 KiB
41 lines
1.4 KiB
From 7ab32ae64d05f018c171ba1525bc337805d84391 Mon Sep 17 00:00:00 2001 |
|
From: Karel Zak <kzak@redhat.com> |
|
Date: Fri, 11 Oct 2013 11:16:23 +0200 |
|
Subject: [PATCH] blockdev: add note about --setbsz usability |
|
|
|
Signed-off-by: Karel Zak <kzak@redhat.com> |
|
--- |
|
disk-utils/blockdev.8 | 4 +++- |
|
disk-utils/blockdev.c | 2 +- |
|
2 files changed, 4 insertions(+), 2 deletions(-) |
|
|
|
diff --git a/disk-utils/blockdev.8 b/disk-utils/blockdev.8 |
|
index 2b3d64c..f4282da 100644 |
|
--- a/disk-utils/blockdev.8 |
|
+++ b/disk-utils/blockdev.8 |
|
@@ -68,7 +68,9 @@ Get size in 512-byte sectors. |
|
.IP "\fB\-\-rereadpt\fP" |
|
Reread partition table |
|
.IP "\fB\-\-setbsz\fP \fIbytes\fP" |
|
-Set blocksize. |
|
+Set blocksize. Note that the block size is specific to the current file |
|
+descriptor opening the block device, so the change of block size only persists |
|
+for as long as blockdev has the device open, and is lost once blockdev exits. |
|
.IP "\fB\-\-setfra\fP \fIsectors\fP" |
|
Set filesystem readahead (same like --setra on 2.6 kernels). |
|
.IP "\fB\-\-setra\fP \fIsectors\fP" |
|
diff --git a/disk-utils/blockdev.c b/disk-utils/blockdev.c |
|
index 4543818..d030217 100644 |
|
--- a/disk-utils/blockdev.c |
|
+++ b/disk-utils/blockdev.c |
|
@@ -127,7 +127,7 @@ static const struct bdc bdcms[] = |
|
.argname = "<bytes>", |
|
.argtype = ARG_INT, |
|
.flags = FL_NORESULT, |
|
- .help = N_("set blocksize") |
|
+ .help = N_("set blocksize on file descriptor opening the block device") |
|
},{ |
|
IOCTL_ENTRY(BLKGETSIZE), |
|
.name = "--getsize", |
|
-- |
|
1.8.3.1
|
|
|