explain filesystem resize devid option
PATCH 1/1 explain filesystem resize devid option
Adds explanation to help message and man page how to use `filesystem resize' to resize only a single device not all devices of a file system.
Signed-off-by Hubert Kario <[email protected]>
---
patch to apply cleanly requires my previous patches adding advanced help functionality
btrfs.c | 10 +++++++--- man/btrfs.8.in | 6 ++++-- 2 files changed, 11 insertions(+), 5 deletions(-)
btrfs.c +7 -3
@@ -98,10 +98,14 @@ static struct Command commands[] = {NULL }, { do_resize, 2, -"filesystem resize" ,"[+/-]<newsize>[gkm]|max <filesystem>\n" +"filesystem resize" ,"[<devid>:][+|-]<newsize>[gkm]|max <filesystem>\n" "Resize the file system. If 'max' is passed, the filesystem\n" -"will occupe all available space on the device." , -NULL +"will occupy all available space on the device." , +"[<devid>:][+|-]<newsize>[gkm]|max <filesystem>\n" +"Resize the file system. If no <devid> is specified, change is\n" +"applied to every device in file system. If devid is specified\n" +"the change in size is applied only to selected device.\n" +"To get device numbers use `btrfs filesystem show\' command." }, { do_show_filesystem, 999,"filesystem show" ,"[<uuid>|<label>]\n"
man/btrfs.8.in +4 -2
@@ -19,7 +19,7 @@ btrfs \- control a btrfs filesystem .PP \fBbtrfs\fP \fBfilesystem sync\fP\fI <path> \fP .PP -\fBbtrfs\fP \fBfilesystem resize\fP\fI [+/\-]<size>[gkm]|max <filesystem>\fP +\fBbtrfs\fP \fBfilesystem resize\fP\fI [<devid>:][+|\-]<size>[gkm]|max <filesystem>\fP .PP \fBbtrfs\fP \fBdevice scan\fP\fI [<device> [<device>..]]\fP .PP
@@ -138,9 +138,11 @@ Force a sync for the filesystem identified by \fI<path>\fR. .\" Some wording are extracted by the resize2fs man page .\" -\fBfilesystem resize\fR\fI [+/\-]<size>[gkm]|max <path>\fR +\fBfilesystem resize\fR\fI [<devid>:][+|\-]<size>[gkm]|max <path>\fR Resize a filesystem identified by \fI<path>\fR. The \fI<size>\fR parameter specifies the new size of the filesystem. +To change size of only one device the device id can be specified before \fI:\fR. +Device identifiers are printed by \fBfilesystem show\fR command. If the prefix \fI+\fR or \fI\-\fR is present the size is increased or decreased by the quantity \fI<size>\fR. If no units are specified, the unit of the \fI<size>\fR parameter defaults to
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1.7.4