+\." tbl
.TH xfs 5
.SH NAME
xfs \- layout, mount options, and supported file attributes for the XFS filesystem
CRC enabled filesystems always use the attr2 format, and so
will reject the noattr2 mount option if it is set.
.TP
-.BR barrier | nobarrier
-Note: This option has been
-.B deprecated
-as of kernel v4.10; in that version, integrity operations are
-always performed and the mount option is ignored. These mount
-options will be removed no earlier than kernel v4.15.
-.sp
-Enables/disables the use of block layer write barriers for
-writes into the journal and for data integrity operations.
-This allows for drive level write caching to be enabled, for
-devices that support write barriers.
-.sp
-Barriers are enabled by default.
-.TP
.BR discard | nodiscard
Enable/disable the issuing of commands to let the block
device reclaim space freed by the filesystem. This is
where failover must not result in clients seeing
inconsistent namespace presentation during or after a
failover event.
+.SH REMOVED MOUNT OPTIONS
+The following mount options have been removed from the kernel, and will
+yield mount failures if specified. Mount options are deprecated for
+a significant period time prior to removal.
+.TS
+tab(@);
+lbl.
+Name@Removed
+----@-------
+delaylog/nodelaylog@v4.0
+ihashsize@v4.0
+irixsgid@v4.0
+osyncisdsync/osyncisosync@v4.0
+barrier/nobarrier@v4.19
+.TE
.SH FILE ATTRIBUTES
The XFS filesystem supports setting the following file
attributes on Linux systems using the