diff options
author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2014-02-08 20:29:02 +0000 |
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committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2014-02-08 20:29:02 +0000 |
commit | 59cc1d8c03734c9e96334a2d76a2b989f1bde0e9 (patch) | |
tree | d21fd6dc89c29f504013242c0e3c74e2099654cd /share/man | |
parent | 3f429afd845f8e311ef9f094b08294a456b0f479 (diff) |
Add extent_alloc_with_descr(9) as a wrapper around
extent_alloc_subregion_with_descr(9) mirroring extent_alloc(9).
ok jmc@
Diffstat (limited to 'share/man')
-rw-r--r-- | share/man/man9/extent.9 | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/share/man/man9/extent.9 b/share/man/man9/extent.9 index 05d8c36a37e..5734476912d 100644 --- a/share/man/man9/extent.9 +++ b/share/man/man9/extent.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: extent.9,v 1.17 2014/01/21 21:46:54 kettenis Exp $ +.\" $OpenBSD: extent.9,v 1.18 2014/02/08 20:29:01 kettenis Exp $ .\" $NetBSD: extent.9,v 1.15 1999/03/16 00:40:47 garbled Exp $ .\" .\" Copyright (c) 1996, 1998 The NetBSD Foundation, Inc. @@ -28,13 +28,14 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.Dd $Mdocdate: January 21 2014 $ +.Dd $Mdocdate: February 8 2014 $ .Dt EXTENT 9 .Os .Sh NAME .Nm extent_create , .Nm extent_destroy , .Nm extent_alloc , +.Nm extent_alloc_with_descr , .Nm extent_alloc_subregion , .Nm extent_alloc_subregion_with_descr , .Nm extent_alloc_region , @@ -51,6 +52,8 @@ .Ft int .Fn extent_alloc "struct extent *ex" "u_long size" "u_long alignment" "u_long skew" "u_long boundary" "int flags" "u_long *result" .Ft int +.Fn extent_alloc_with_descr "struct extent *ex" "u_long size" "u_long alignment" "u_long skew" "u_long boundary" "int flags" "struct extent_region *rp" "u_long *result" +.Ft int .\" too many arguments for a single .Fn .Fo extent_alloc_subregion .Fa "struct extent *ex" @@ -243,25 +246,29 @@ Upon successful completion, .Fa *result will contain the start of the allocated region. .Pp -.Fn extent_alloc_subregion -is a generalized version of -.Fn extent_alloc -that also allows the caller to specify that the allocated region must -fall within the subregion from -.Fa substart -to -.Fa subend -inclusive. -.Pp -.Fn extent_alloc_subregion_with_descr +.Fn extent_alloc_with_descr is similar to -.Fn extent_alloc_subregion +.Fn extent_alloc but allows the caller to provide a pre-allocated region descriptor instead of having the function allocate one. This function can only be used with extents that have the .Dv EX_NOCOALESCE property. .Pp +.Fn extent_alloc_subregion +and +.Fn extent_alloc_subregion_with_descr +are generalized versions of +.Fn extent_alloc +and +.Fn extent_alloc_with_descr +that allow the caller to specify that the allocated region must fall +within the subregion from +.Fa substart +to +.Fa subend +inclusive. +.Pp .Fn extent_alloc_region allocates the specific region in the extent map .Fa ex |