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| author | Karel Zak | 2018-06-11 11:14:56 +0200 |
|---|---|---|
| committer | Karel Zak | 2018-06-11 11:14:56 +0200 |
| commit | 3b3f43748f55b1c17ad55beb9a6eb6be49a68c77 (patch) | |
| tree | 862b4cfb91dd36459faa366e872327be375868da | |
| parent | blkzone: fix whole device detection (diff) | |
| download | kernel-qcow2-util-linux-3b3f43748f55b1c17ad55beb9a6eb6be49a68c77.tar.gz kernel-qcow2-util-linux-3b3f43748f55b1c17ad55beb9a6eb6be49a68c77.tar.xz kernel-qcow2-util-linux-3b3f43748f55b1c17ad55beb9a6eb6be49a68c77.zip | |
zramctl: (man) explain that --find is necessary
Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1589148
Signed-off-by: Karel Zak <kzak@redhat.com>
| -rw-r--r-- | sys-utils/zramctl.8 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys-utils/zramctl.8 b/sys-utils/zramctl.8 index ccfb8901d..c6ecdc3d5 100644 --- a/sys-utils/zramctl.8 +++ b/sys-utils/zramctl.8 @@ -42,13 +42,18 @@ is used to quickly set up zram device parameters, to reset zram devices, and to query the status of used zram devices. .PP If no option is given, all non-zero size zram devices are shown. +.PP +Note that \fIzramdev\fP node specified on command line has to already exist. The command +.B zramctl +creates a new /dev/zram<N> nodes only when \fB\-\-find\fR option specified. It's possible +(and common) that after system boot /dev/zram<N> nodes are not created yet. .SH OPTIONS .TP .BR \-a , " \-\-algorithm lzo" | lz4 | lz4hc | deflate | 842 Set the compression algorithm to be used for compressing data in the zram device. .TP .BR \-f , " \-\-find" -Find the first unused zram device. If a \fB--size\fR argument is present, then +Find the first unused zram device. If a \fB\-\-size\fR argument is present, then initialize the device. .TP .BR \-n , " \-\-noheadings" |