.TH LLAPI_LAYOUT_COMP_EXTENT_GET 3 2024-08-27 "Lustre User API" "Lustre Library Functions"
.SH NAME
llapi_layout_comp_extent_get, llapi_layout_comp_extent_set \- get or set the extent of a layout component.
.SH SYNOPSIS
.nf
.B #include <lustre/lustreapi.h>
.PP
.BI "int llapi_layout_comp_extent_get(const struct llapi_layout *" layout ",
.BI "                                 uint64_t *" start ", uint64_t *" end );
.PP
.BI "int llapi_layout_comp_extent_set(const struct llapi_layout *" layout ",
.BI "                                 uint64_t " start ", uint64_t "end );
.fi
.SH DESCRIPTION
The extent [start, end) defines the range of a layout component.
.PP
.BR llapi_layout_comp_extent_get (3)
gets the extent of the current component of
.I layout
and stores it into
.I start
and
.IR end .
.PP
.BR llapi_layout_comp_extent_set (3)
sets the extent
.RI [ start ", " end )
to the current component of
.IR layout .
.SH RETURN VALUES
.B llapi_layout_comp_extent_get()
and
.B llapi_layout_comp_extent_set()
return 0 on success, or -1 if an error occurred (in which case, errno is
set appropriately).
.SH ERRORS
.TP 15
.B EINVAL
An invalid argument was specified.
.SH AVAILABILITY
.B llapi_layout_comp_extent_get()
and
.B llapi_layout_comp_extent_set()
are part of the
.BR lustre (7)
user application interface library since release 2.10.0
.\" Added in commit v2_9_55_0-18-gc4702b7443
.SH SEE ALSO
.BR llapi_layout_alloc (3),
.BR llapi_layout_file_open (3),
.BR llapi_layout (7),
.BR lustreapi (7)