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Show First 20 Lines • Show All 55 Lines • ▼ Show 20 Lines	struct spacectl_range {
off_t r_len;		off_t r_len;
};		};
.Ed		.Ed
.Pp		.Pp
The operation specified by the		The operation specified by the
.Fa cmd		.Fa cmd
argument may be one of:		argument may be one of:
.Bl -tag -width SPACECTL_DEALLOC		.Bl -tag -width SPACECTL_DEALLOC
		.It Dv SPACECTL_ALLOC
		Back a region in the file specified by the
		.Fa range
		argument with file system space.
		gbeUnsubmitted Done Inline Actions ...argument within the file system space. gbe: ...argument within the file system space.
		This operation is used to implement
		.Xr posix_fallocate 2 .
		Content will remain the same for non-hole region.
		gbeUnsubmitted Done Inline Actions ...for a non-hole region. gbe: ...for a non-hole region.
		Holes will be converted to non-hole region with zeroes.
.It Dv SPACECTL_DEALLOC		.It Dv SPACECTL_DEALLOC
Zero a region in the file specified by the		Zero a region in the file specified by the
.Fa range		.Fa range
argument.		argument.
If the file system supports hole-punching,		If the file system supports hole-punching,
file system space deallocation may be performed in the given region.		file system space deallocation may be performed in the given region.
.El		.El
.Pp		.Pp
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