.I fsck.xfs
simply exits with a zero exit status.
.PP
-If you wish to check check the consistency of an XFS
-filesystem, or repair a damaged or corrupt XFS filesystem,
-see
+If you wish to check the consistency of an XFS filesystem,
+or repair a damaged or corrupt XFS filesystem,
+see
.IR xfs_check (8)
and
.IR xfs_repair (8).
Prints the block mapping for the current open file.
Refer to the \f2xfs_bmap\f1 manual page for complete documentation.
.TP
+\f3extsize\f1 [ \f2\-R\f1 | \f2\-D\f1 ] [ \f2value\f1 ]
+Display and/or modify the preferred extent size used when allocating
+space for the currently open file.
+If the \f2-R\f1 option is specified, a recursive descent is performed
+for all directory entries below the currently open file (\f2-D\f1 can
+be used to restrict the output to directories only).
+If the target file is a directory, then the inherited extent size
+is set for that directory (new files created in that directory
+inherit that extent size).
+The \f2value\f1 should be specified in bytes, or using one of the
+usual units suffixes (k, m, g, b, etc).
+The extent size is always reported in units of bytes.
+.TP
\f3allocsp\f1 \f2offset\f1 \f2length\f1
Allocates zeroed space for part of a file using the XFS_IOC_ALLOCSP
system call described in the \f2xfs\f1 manual page.