xfs_io: try to unshare copy-on-write blocks via fallocate

[thirdparty/xfsprogs-dev.git] / man / man8 / xfs_io.8

diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8
index 2365550b31d907ec269dab360ee1deafac1ea90a..eb7b878d88f8fd37e7fd196d4bdf33b0c63c44b4 100644 (file)
--- a/man/man8/xfs_io.8
+++ b/man/man8/xfs_io.8
@@ -431,6 +431,11 @@ the FALLOC_FL_PUNCH_HOLE flag as described in the
 .BR fallocate (2)
 manual page.
 .TP
+.BI funshare " offset length"
+Call fallocate with FALLOC_FL_UNSHARE_RANGE flag as described in the
+.BR fallocate (2)
+manual page to unshare all shared blocks within the range.
+.TP
 .BI fzero " offset length"
 Call fallocate with FALLOC_FL_ZERO_RANGE flag as described in the
 .BR fallocate (2)