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author | Poul-Henning Kamp <phk@FreeBSD.org> | 2002-04-09 15:13:42 +0000 |
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committer | Poul-Henning Kamp <phk@FreeBSD.org> | 2002-04-09 15:13:42 +0000 |
commit | a4ef1c5f9271de21aa01d2b40033a9971a7b4ade (patch) | |
tree | effbd6f18d862f56c9a014c534009cc6d646e31f /sys | |
parent | 0d3f37a8043fa635540b44faab649dec10506b99 (diff) | |
download | src-a4ef1c5f9271de21aa01d2b40033a9971a7b4ade.tar.gz src-a4ef1c5f9271de21aa01d2b40033a9971a7b4ade.zip |
Introduce the convenience function g_getattr() and make it DWIM.
Sponsored by: DARPA & NAI Labs.
Notes
Notes:
svn path=/head/; revision=94284
Diffstat (limited to 'sys')
-rw-r--r-- | sys/geom/geom.h | 2 | ||||
-rw-r--r-- | sys/geom/geom_subr.c | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/sys/geom/geom.h b/sys/geom/geom.h index 4c9b3f0664bb..6dfe745eadba 100644 --- a/sys/geom/geom.h +++ b/sys/geom/geom.h @@ -193,6 +193,8 @@ void g_destroy_geom(struct g_geom *pp); void g_destroy_provider(struct g_provider *pp); void g_dettach(struct g_consumer *cp); void g_error_provider(struct g_provider *pp, int error); +int g_getattr__(const char *attr, struct g_consumer *cp, void *var, int len); +#define g_getattr(a, c, v) g_getattr__((a), (c), (v), sizeof *(v)) int g_haveattr(struct bio *bp, char *attribute, void *val, int len); int g_haveattr_int(struct bio *bp, char *attribute, int val); int g_haveattr_off_t(struct bio *bp, char *attribute, off_t val); diff --git a/sys/geom/geom_subr.c b/sys/geom/geom_subr.c index b9c6236ce10b..1bc2ced8c6a4 100644 --- a/sys/geom/geom_subr.c +++ b/sys/geom/geom_subr.c @@ -640,3 +640,16 @@ g_insert_geom(char *class, struct g_consumer *cp) return (gp); } +int +g_getattr__(const char *attr, struct g_consumer *cp, void *var, int len) +{ + int error, i; + + i = len; + error = g_io_getattr(attr, cp, &i, var); + if (error) + return (error); + if (i != len) + return (EINVAL); + return (0); +} |