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-rw-r--r--man/btrfs.8.in6
1 files changed, 4 insertions, 2 deletions
diff --git a/man/btrfs.8.in b/man/btrfs.8.in
index b94df2e2..d86ec086 100644
--- a/man/btrfs.8.in
+++ b/man/btrfs.8.in
@@ -47,7 +47,7 @@ btrfs \- control a btrfs filesystem
\fBbtrfs\fP \fB[filesystem] balance status\fP [-v] \fI<path>\fP
.PP
.PP
-\fBbtrfs\fP \fBdevice add\fP [-K] \fI<device>\fP [\fI<device>...\fP] \fI<path>\fP
+\fBbtrfs\fP \fBdevice add\fP [-Kf] \fI<device>\fP [\fI<device>...\fP] \fI<path>\fP
.PP
\fBbtrfs\fP \fBdevice delete\fP \fI<device>\fP [\fI<device>...\fP] \fI<path>\fP
.PP
@@ -383,7 +383,7 @@ be verbose
.RE
.TP
-\fBdevice add\fR\fI [-K] <dev> \fP[\fI<dev>...\fP] \fI<path>\fR
+\fBdevice add\fR\fI [-Kf] <dev> \fP[\fI<dev>...\fP] \fI<path>\fR
Add device(s) to the filesystem identified by \fI<path>\fR.
If applicable, a whole device discard (TRIM) operation is performed.
.RS
@@ -391,6 +391,8 @@ If applicable, a whole device discard (TRIM) operation is performed.
\fIOptions\fR
.IP "\fB-K|--nodiscard\fP" 5
do not perform discard by default
+.IP "\fB-f|--force\fP" 5
+force overwrite of existing filesystem on the given disk(s)
.RE
.TP