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libgeom maintains a quasi-private mapping of /dev/devstat, which might
grow over time if new devices appear. When the mapping needs to be
expanded, the old mapping is passed as a hint, but this appears to be
unnecessary.
Simplify and improve things a bit:
- stop passing a hint when remapping,
- don't creat a mapping in geom_stats_open(), as geom_stats_resync() will
create it for us,
- check for errors from munmap().
Reviewed by: imp, asomers
Tested by: asomers
MFC after: 2 weeks
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D46294
(cherry picked from commit
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|---|---|---|
| .. | ||
| geom_ctl.c | ||
| geom_getxml.c | ||
| geom_stats.c | ||
| geom_util.c | ||
| geom_xml2tree.c | ||
| libgeom.3 | ||
| libgeom.h | ||
| Makefile | ||
| Makefile.depend | ||