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[1/1] Btrfs-progs: Update btrfs man page to indicate label for a mounted fs can be changed

Message ID 1347602599-7541-1-git-send-email-Anand.Jain@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Anand Jain Sept. 14, 2012, 6:03 a.m. UTC 
From: Anand Jain <anand.jain@oracle.com>

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 man/btrfs.8.in |   14 ++++++--------
 1 files changed, 6 insertions(+), 8 deletions(-)
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Patch

diff --git a/man/btrfs.8.in b/man/btrfs.8.in
index 4b0a9f9..0258d87 100644
--- a/man/btrfs.8.in
+++ b/man/btrfs.8.in
@@ -25,7 +25,7 @@  btrfs \- control a btrfs filesystem
 .PP
 \fBbtrfs\fP \fBfilesystem resize\fP\fI [devid:][+/\-]<size>[gkm]|[devid:]max <filesystem>\fP
 .PP
-\fBbtrfs\fP \fBfilesystem label\fP\fI <dev> [newlabel]\fP
+\fBbtrfs\fP \fBfilesystem label\fP\fI <dev>|<path> [newlabel]\fP
 .PP
 \fBbtrfs\fP \fBsubvolume find-new\fP\fI <subvolume> <last_gen>\fP
 .PP
@@ -197,8 +197,8 @@  it with the new desired size.  When recreating the partition make sure to use
 the same starting disk cylinder as before.
 .TP
 
-\fBfilesystem label\fP\fI <dev> [newlabel]\fP
-Show or update the label of a filesystem. \fI<dev>\fR is used to identify the
+\fBfilesystem label\fP\fI <dev>|<path> [newlabel]\fP
+Show or update the label of a filesystem. \fI<dev>|<path>\fR is used to identify the
 filesystem. 
 If a \fInewlabel\fR optional argument is passed, the label is changed. The
 following constraints exist for a label:
@@ -207,11 +207,9 @@  following constraints exist for a label:
 .IP
 - the label shall not  contain the '/' or '\\' characters.
 
-NOTE: Currently there are the following limitations:
-.IP
-- the filesystem has to be unmounted
-.IP
-- the filesystem should not have more than one device.
+Note: 
+As of now a btrfs filesystem containing more than one device must be
+mounted to change its filesystem label.
 .TP
 
 \fBfilesystem show\fR [--all-devices|<uuid>|<label>]\fR