diff options
author | Neil Brown <neilb@suse.de> | 2005-05-03 23:44:32 +0000 |
---|---|---|
committer | Neil Brown <neilb@suse.de> | 2005-05-03 23:44:32 +0000 |
commit | f9ce90ba509d0b624cc38635861b9c27550fbefc (patch) | |
tree | de5576f6c939e0fd95f76030b4d273fdfc9f5945 /mdadm.c | |
parent | 4b1ac34b51a3783ab528b1af307156fab057b543 (diff) | |
download | mdadm-f9ce90ba509d0b624cc38635861b9c27550fbefc.tar.gz mdadm-f9ce90ba509d0b624cc38635861b9c27550fbefc.tar.xz mdadm-f9ce90ba509d0b624cc38635861b9c27550fbefc.zip |
Add a 'super-switch' so that different format superblocks can be used.
This includes:
adding --metadata= option to choose metadata format
adding metadata= word to config file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Diffstat (limited to 'mdadm.c')
-rw-r--r-- | mdadm.c | 43 |
1 files changed, 37 insertions, 6 deletions
@@ -32,7 +32,6 @@ #include <ctype.h> - int main(int argc, char *argv[]) { int mode = 0; @@ -41,6 +40,7 @@ int main(int argc, char *argv[]) char *help_text; char *c; int rv; + int i; int chunk = 0; int size = -1; @@ -81,6 +81,7 @@ int main(int argc, char *argv[]) int daemonise = 0; char *pidfile = NULL; int oneshot = 0; + struct superswitch *ss = NULL; int copies; @@ -273,6 +274,24 @@ int main(int argc, char *argv[]) } continue; + case O(CREATE,'e'): + case O(ASSEMBLE,'e'): + case O(MISC,'e'): /* set metadata (superblock) information */ + if (ss) { + fprintf(stderr, Name ": metadata information already given\n"); + exit(2); + } + for(i=0; superlist[i]; i++) + if (superlist[i]->match_metadata_desc(optarg)) { + ss = superlist[i]; + break; + } + if (!ss) { + fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); + exit(2); + } + continue; + case O(GROW,'z'): case O(CREATE,'z'): /* size */ if (size >= 0) { @@ -736,14 +755,14 @@ int main(int argc, char *argv[]) if (mdfd < 0) rv |= 1; else { - rv |= Assemble(devlist->devname, mdfd, array_ident, configfile, + rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile, NULL, readonly, runstop, update, verbose, force); close(mdfd); } } } else if (!scan) - rv = Assemble(devlist->devname, mdfd, &ident, configfile, + rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile, devlist->next, readonly, runstop, update, verbose, force); else if (devs_found>0) { @@ -764,7 +783,7 @@ int main(int argc, char *argv[]) rv |= 1; continue; } - rv |= Assemble(dv->devname, mdfd, array_ident, configfile, + rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile, NULL, readonly, runstop, update, verbose, force); close(mdfd); @@ -786,7 +805,7 @@ int main(int argc, char *argv[]) /* already assembled, skip */ ; else - rv |= Assemble(array_list->devname, mdfd, + rv |= Assemble(ss, array_list->devname, mdfd, array_list, configfile, NULL, readonly, runstop, NULL, verbose, force); @@ -798,7 +817,19 @@ int main(int argc, char *argv[]) rv = Build(devlist->devname, mdfd, chunk, level, layout, raiddisks, devlist->next, assume_clean); break; case CREATE: - rv = Create(devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, + if (ss == NULL) { + for(i=0; superlist[i]; i++) + if (superlist[i]->match_metadata_desc("default")) { + ss = superlist[i]; + break; + } + } + if (!ss) { + fprintf(stderr, Name ": internal error - no default metadata style\n"); + exit(2); + } + + rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, raiddisks, sparedisks, devs_found-1, devlist->next, runstop, verbose, force); break; |