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-rw-r--r--man/btrfs.8.in29
1 files changed, 26 insertions, 3 deletions
diff --git a/man/btrfs.8.in b/man/btrfs.8.in
index 0845b4dc..5c95ccc6 100644
--- a/man/btrfs.8.in
+++ b/man/btrfs.8.in
@@ -11,7 +11,7 @@ btrfs \- control a btrfs filesystem
.PP
\fBbtrfs\fP \fBsubvolume create\fP\fI [<dest>/]<name>\fP
.PP
-\fBbtrfs\fP \fBsubvolume list\fP\fI [-pr] <path>\fP
+\fBbtrfs\fP \fBsubvolume list\fP\fI [-pr] [-s 0|1] [-g [+|-]value] [-c [+|-]value] [--rootid=rootid,gen,ogen,path] <path>\fP
.PP
\fBbtrfs\fP \fBsubvolume set-default\fP\fI <id> <path>\fP
.PP
@@ -108,18 +108,41 @@ Create a subvolume in \fI<dest>\fR (or in the current directory if
\fI<dest>\fR is omitted).
.TP
-\fBsubvolume list\fR\fI [-pr] <path>\fR
+\fBsubvolume list\fR\fI [-pr][-s 0|1] [-g [+|-]value] [-c [+|-]value] [--sort=gen,ogen,rootid,path] <path>\fR
+.RS
List the subvolumes present in the filesystem \fI<path>\fR. For every
subvolume the following information is shown by default.
ID <ID> top level <ID> path <path>
where path is the relative path of the subvolume to the \fItop level\fR
subvolume.
+
The subvolume's ID may be used by the \fBsubvolume set-default\fR command, or
at mount time via the \fIsubvol=\fR option.
If \fI-p\fR is given, then \fIparent <ID>\fR is added to the output between ID
and top level. The parent's ID may be used at mount time via the
\fIsubvolrootid=\fR option.
-If \fI-r\fR is given, only readonly subvolumes in the filesystem will be listed.
+
+\fB-r\fP only readonly subvolumes in the filesystem wille be listed.
+
+\fB-s\fP only snapshot subvolumes in the filesystem will be listed.
+
+\fB-g [+|-]value\fP
+list subvolumes in the filesystem that its generation is
+>=, <= or = value. '+' means >= value, '-' means <= value, If there is
+neither '+' nor '-', it means = value.
+
+\fB-c [+|-]value\fP
+list subvolumes in the filesystem that its ogeneration is
+>=, <= or = value. The usage is the same to '-g' option.
+
+\fB--sort=gen,ogen,path,rootid\fP
+list subvolumes in order by specified items.
+you can add '+' or '-' in front of each items, '+' means ascending,'-'
+means descending. The default is ascending.
+
+for \fB--sort\fP you can combine some items together by ',', just like
+\f--sort=+ogen,-gen,path,rootid\fR.
+.RE
.TP
\fBsubvolume set-default\fR\fI <id> <path>\fR