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Remove CCDF_SWAP and CCDF_PARITY, they have never been implemented.

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This commit is contained in:
Poul-Henning Kamp 2003-01-03 08:57:40 +00:00
parent fc6db1e23f
commit f05f44f0f2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=108593
3 changed files with 11 additions and 47 deletions
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25
sys/dev/ccd/ccd.c
View file

@ -542,8 +542,6 @@ ccdinit(struct ccd_s *cs, char **cpaths, struct thread *td)
goto fail;
}
cs->sc_size = (cs->sc_nccdisks/2) * minsize;
} else if (cs->sc_flags & CCDF_PARITY) {
cs->sc_size = (cs->sc_nccdisks-1) * minsize;
} else {
if (cs->sc_ileave == 0) {
printf("ccd%d: an interleave must be specified when using parity\n", cs->sc_unit);
@ -1032,15 +1030,6 @@ ccdbuffer(struct ccdbuf **cb, struct ccd_s *cs, struct bio *bp, daddr_t bn, cadd
ccdisk = ii->ii_index[off % ndisk2];
cbn = ii->ii_startoff + off / ndisk2;
ci2 = &cs->sc_cinfo[ccdisk + ndisk2];
} else if (cs->sc_cflags & CCDF_PARITY) {
/*
* XXX not implemented yet
*/
int ndisk2 = ii->ii_ndisk - 1;
ccdisk = ii->ii_index[off % ndisk2];
cbn = ii->ii_startoff + off / ndisk2;
if (cbn % ii->ii_ndisk <= ccdisk)
ccdisk++;
} else {
ccdisk = ii->ii_index[off % ii->ii_ndisk];
cbn = ii->ii_startoff + off / ii->ii_ndisk;
@ -1282,18 +1271,12 @@ ccdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
/* Fill in some important bits. */
cs->sc_ileave = ccio->ccio_ileave;
if (cs->sc_ileave == 0 &&
((ccio->ccio_flags & CCDF_MIRROR) ||
(ccio->ccio_flags & CCDF_PARITY))) {
printf("ccd%d: disabling mirror/parity, interleave is 0\n", unit);
ccio->ccio_flags &= ~(CCDF_MIRROR | CCDF_PARITY);
if (cs->sc_ileave == 0 && (ccio->ccio_flags & CCDF_MIRROR)) {
printf("ccd%d: disabling mirror, interleave is 0\n",
unit);
ccio->ccio_flags &= ~(CCDF_MIRROR);
}
if ((ccio->ccio_flags & CCDF_MIRROR) &&
(ccio->ccio_flags & CCDF_PARITY)) {
printf("ccd%d: can't specify both mirror and parity, using mirror\n", unit);
ccio->ccio_flags &= ~CCDF_PARITY;
}
if ((ccio->ccio_flags & (CCDF_MIRROR | CCDF_PARITY)) &&
!(ccio->ccio_flags & CCDF_UNIFORM)) {
printf("ccd%d: mirror/parity forces uniform flag\n",
unit);

25
sys/geom/geom_ccd.c
View file

@ -542,8 +542,6 @@ ccdinit(struct ccd_s *cs, char **cpaths, struct thread *td)
goto fail;
}
cs->sc_size = (cs->sc_nccdisks/2) * minsize;
} else if (cs->sc_flags & CCDF_PARITY) {
cs->sc_size = (cs->sc_nccdisks-1) * minsize;
} else {
if (cs->sc_ileave == 0) {
printf("ccd%d: an interleave must be specified when using parity\n", cs->sc_unit);
@ -1032,15 +1030,6 @@ ccdbuffer(struct ccdbuf **cb, struct ccd_s *cs, struct bio *bp, daddr_t bn, cadd
ccdisk = ii->ii_index[off % ndisk2];
cbn = ii->ii_startoff + off / ndisk2;
ci2 = &cs->sc_cinfo[ccdisk + ndisk2];
} else if (cs->sc_cflags & CCDF_PARITY) {
/*
* XXX not implemented yet
*/
int ndisk2 = ii->ii_ndisk - 1;
ccdisk = ii->ii_index[off % ndisk2];
cbn = ii->ii_startoff + off / ndisk2;
if (cbn % ii->ii_ndisk <= ccdisk)
ccdisk++;
} else {
ccdisk = ii->ii_index[off % ii->ii_ndisk];
cbn = ii->ii_startoff + off / ii->ii_ndisk;
@ -1282,18 +1271,12 @@ ccdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
/* Fill in some important bits. */
cs->sc_ileave = ccio->ccio_ileave;
if (cs->sc_ileave == 0 &&
((ccio->ccio_flags & CCDF_MIRROR) ||
(ccio->ccio_flags & CCDF_PARITY))) {
printf("ccd%d: disabling mirror/parity, interleave is 0\n", unit);
ccio->ccio_flags &= ~(CCDF_MIRROR | CCDF_PARITY);
if (cs->sc_ileave == 0 && (ccio->ccio_flags & CCDF_MIRROR)) {
printf("ccd%d: disabling mirror, interleave is 0\n",
unit);
ccio->ccio_flags &= ~(CCDF_MIRROR);
}
if ((ccio->ccio_flags & CCDF_MIRROR) &&
(ccio->ccio_flags & CCDF_PARITY)) {
printf("ccd%d: can't specify both mirror and parity, using mirror\n", unit);
ccio->ccio_flags &= ~CCDF_PARITY;
}
if ((ccio->ccio_flags & (CCDF_MIRROR | CCDF_PARITY)) &&
!(ccio->ccio_flags & CCDF_UNIFORM)) {
printf("ccd%d: mirror/parity forces uniform flag\n",
unit);

8
sys/sys/ccdvar.h
View file

@ -97,9 +97,6 @@ struct ccd_ioctl {
size_t ccio_size; /* (returned) size of ccd */
};
/* Mask of user-settable ccd flags. */
#define CCDF_USERMASK (CCDF_SWAP|CCDF_UNIFORM|CCDF_MIRROR|CCDF_PARITY)
/*
* Component info table.
* Describes a single component of a concatenated disk.
@ -180,16 +177,17 @@ struct ccd_s {
};
/* sc_flags */
#define CCDF_SWAP 0x01 /* interleave should be dmmax */
#define CCDF_UNIFORM 0x02 /* use LCCD of sizes for uniform interleave */
#define CCDF_MIRROR 0x04 /* use mirroring */
#define CCDF_PARITY 0x08 /* use parity (RAID level 5) */
#define CCDF_INITED 0x10 /* unit has been initialized */
#define CCDF_WLABEL 0x20 /* label area is writable */
#define CCDF_LABELLING 0x40 /* unit is currently being labelled */
#define CCDF_WANTED 0x60 /* someone is waiting to obtain a lock */
#define CCDF_LOCKED 0x80 /* unit is locked */
/* Mask of user-settable ccd flags. */
#define CCDF_USERMASK (CCDF_UNIFORM|CCDF_MIRROR)
/*
* Before you can use a unit, it must be configured with CCDIOCSET.
* The configuration persists across opens and closes of the device;