565bc10111
It creates very huge provider (41PB) /dev/gzero. On BIO_READ request it zero-fills bio_data and on BIO_WRITE it does nothing. You can also set kern.geom.zero.clear sysctl to 0 to do nothing even for BIO_READ. I'm using it for performance testing where it is very helpful. MFC after: 3 days |
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.. | ||
bde | ||
concat | ||
gate | ||
label | ||
mirror | ||
nop | ||
raid3 | ||
shsec | ||
stripe | ||
uzip | ||
vinum | ||
zero | ||
geom_aes.c | ||
geom_apple.c | ||
geom_bsd_enc.c | ||
geom_bsd.c | ||
geom_ccd.c | ||
geom_ctl.c | ||
geom_ctl.h | ||
geom_dev.c | ||
geom_disk.c | ||
geom_disk.h | ||
geom_dump.c | ||
geom_event.c | ||
geom_fox.c | ||
geom_gpt.c | ||
geom_int.h | ||
geom_io.c | ||
geom_kern.c | ||
geom_mbr_enc.c | ||
geom_mbr.c | ||
geom_pc98_enc.c | ||
geom_pc98.c | ||
geom_slice.c | ||
geom_slice.h | ||
geom_subr.c | ||
geom_sunlabel_enc.c | ||
geom_sunlabel.c | ||
geom_vfs.c | ||
geom_vfs.h | ||
geom_vol_ffs.c | ||
geom.h | ||
notes |