diff options
author | Neil Brown <neilb@suse.de> | 2005-04-04 05:16:13 +0000 |
---|---|---|
committer | Neil Brown <neilb@suse.de> | 2005-04-04 05:16:13 +0000 |
commit | 0df46c2ad8872a9d6e5832f3098d12a7e0d2eb01 (patch) | |
tree | b328e05ae148e9d2627a4a9e62c1b6a705136c03 | |
parent | 8d80900b492998a112eda80614a793012bee2770 (diff) |
Change MAJOR() etc to major() etc
This allows for larger device number if glibc supports
it (requires 2.3.3).
Also fail before creating larger device number if glibc
support isn't present.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
-rw-r--r-- | Assemble.c | 8 | ||||
-rw-r--r-- | Build.c | 6 | ||||
-rw-r--r-- | ChangeLog | 3 | ||||
-rw-r--r-- | Create.c | 6 | ||||
-rw-r--r-- | Detail.c | 6 | ||||
-rw-r--r-- | Grow.c | 12 | ||||
-rw-r--r-- | Manage.c | 4 | ||||
-rw-r--r-- | Monitor.c | 10 | ||||
-rw-r--r-- | Query.c | 2 | ||||
-rw-r--r-- | mdadm.c | 2 | ||||
-rw-r--r-- | mdopen.c | 21 | ||||
-rw-r--r-- | util.c | 10 |
12 files changed, 49 insertions, 41 deletions
@@ -288,7 +288,7 @@ int Assemble(char *mddev, int mdfd, if (strcmp(update, "super-minor") ==0) { struct stat stb2; fstat(mdfd, &stb2); - super.md_minor = MINOR(stb2.st_rdev); + super.md_minor = minor(stb2.st_rdev); if (verbose) fprintf(stderr, Name ": updating superblock of %s with minor number %d\n", devname, super.md_minor); @@ -341,8 +341,8 @@ int Assemble(char *mddev, int mdfd, fprintf(stderr, Name ": %s is identified as a member of %s, slot %d.\n", devname, mddev, super.this_disk.raid_disk); devices[devcnt].devname = devname; - devices[devcnt].major = MAJOR(stb.st_rdev); - devices[devcnt].minor = MINOR(stb.st_rdev); + devices[devcnt].major = major(stb.st_rdev); + devices[devcnt].minor = minor(stb.st_rdev); devices[devcnt].oldmajor = super.this_disk.major; devices[devcnt].oldminor = super.this_disk.minor; devices[devcnt].events = md_event(&super); @@ -665,7 +665,7 @@ This doesnt work yet * so we can just start the array */ unsigned long dev; - dev = MKDEV(devices[chosen_drive].major, + dev = makedev(devices[chosen_drive].major, devices[chosen_drive].minor); if (ioctl(mdfd, START_ARRAY, dev)) { fprintf(stderr, Name ": Cannot start array: %s\n", @@ -117,7 +117,7 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout, array.raid_disks = raiddisks; array.md_minor = 0; if (fstat(mdfd, &stb)==0) - array.md_minor = MINOR(stb.st_rdev); + array.md_minor = minor(stb.st_rdev); array.not_persistent = 1; array.state = 0; /* not clean, but no errors */ if (assume_clean) @@ -153,8 +153,8 @@ int Build(char *mddev, int mdfd, int chunk, int level, int layout, disk.number = i; disk.raid_disk = i; disk.state = 6; - disk.major = MAJOR(stb.st_rdev); - disk.minor = MINOR(stb.st_rdev); + disk.major = major(stb.st_rdev); + disk.minor = minor(stb.st_rdev); if (ioctl(mdfd, ADD_NEW_DISK, &disk)) { fprintf(stderr, Name ": ADD_NEW_DISK failed for %s: %s\n", dv->devname, strerror(errno)); @@ -7,6 +7,9 @@ Changes Prior to 1.9.0 release - Remove underscore from partition names, so partitions of "foo" are "foo1", "foo2" etc (unchanged) and partitions of "f00" are "f00p1", "f00p2" etc rather than "f00_p1"... + - Use "major", "minor", "makedev" macros instead of + "MAJOR", "MINOR", "MKDEV" so that large device numbers work + on 2.6 (providing you have glibc 2.3.3 or later). Changes Prior to 1.8.0 release - Makefile cleanup from Luca Berra <bluca@comedia.it> @@ -305,7 +305,7 @@ int Create(char *mddev, int mdfd, */ array.md_minor = 0; if (fstat(mdfd, &stb)==0) - array.md_minor = MINOR(stb.st_rdev); + array.md_minor = minor(stb.st_rdev); array.not_persistent = 0; /*** FIX: Need to do something about RAID-6 here ***/ if ( ( (level == 5) && @@ -375,8 +375,8 @@ int Create(char *mddev, int mdfd, return 1; } fstat(fd, &stb); - disk.major = MAJOR(stb.st_rdev); - disk.minor = MINOR(stb.st_rdev); + disk.major = major(stb.st_rdev); + disk.minor = minor(stb.st_rdev); close(fd); } if (ioctl(mdfd, ADD_NEW_DISK, &disk)) { @@ -124,7 +124,7 @@ int Detail(char *dev, int brief, int test) struct mdstat_ent *ms = mdstat_read(0); struct mdstat_ent *e; int devnum = array.md_minor; - if (MAJOR(stb.st_rdev) != MD_MAJOR) + if (major(stb.st_rdev) != MD_MAJOR) devnum = -1 - devnum; for (e=ms; e; e=e->next) @@ -251,8 +251,8 @@ int Detail(char *dev, int brief, int test) * device from the array, and then put it back. * If this fails, we are rebuilding */ - int err = ioctl(fd, HOT_REMOVE_DISK, MKDEV(disk.major, disk.minor)); - if (err == 0) ioctl(fd, HOT_ADD_DISK, MKDEV(disk.major, disk.minor)); + int err = ioctl(fd, HOT_REMOVE_DISK, makedev(disk.major, disk.minor)); + if (err == 0) ioctl(fd, HOT_ADD_DISK, makedev(disk.major, disk.minor)); if (err && errno == EBUSY) printf(" rebuilding"); } @@ -109,8 +109,8 @@ int Grow_Add_device(char *devname, int fd, char *newdev) memset(&super.disks[d], 0, sizeof(super.disks[d])); super.disks[d].number = d; - super.disks[d].major = MAJOR(stb.st_rdev); - super.disks[d].minor = MINOR(stb.st_rdev); + super.disks[d].major = major(stb.st_rdev); + super.disks[d].minor = minor(stb.st_rdev); super.disks[d].raid_disk = d; super.disks[d].state = (1 << MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE); @@ -122,8 +122,8 @@ int Grow_Add_device(char *devname, int fd, char *newdev) return 1; } disk.number = d; - disk.major = MAJOR(stb.st_rdev); - disk.minor = MINOR(stb.st_rdev); + disk.major = major(stb.st_rdev); + disk.minor = minor(stb.st_rdev); disk.raid_disk = d; disk.state = (1 << MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE); close(nfd); @@ -173,8 +173,8 @@ int Grow_Add_device(char *devname, int fd, char *newdev) super.working_disks = nd+1; memset(&super.disks[nd], 0, sizeof(super.disks[nd])); super.disks[nd].number = nd; - super.disks[nd].major = MAJOR(stb.st_rdev); - super.disks[nd].minor = MINOR(stb.st_rdev); + super.disks[nd].major = major(stb.st_rdev); + super.disks[nd].minor = minor(stb.st_rdev); super.disks[nd].raid_disk = nd; super.disks[nd].state = (1 << MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE); @@ -226,8 +226,8 @@ int Manage_subdevs(char *devname, int fd, disc.number =j; disc.raid_disk = j; disc.state = 0; - disc.major = MAJOR(stb.st_rdev); - disc.minor = MINOR(stb.st_rdev); + disc.major = major(stb.st_rdev); + disc.minor = minor(stb.st_rdev); if (ioctl(fd,ADD_NEW_DISK, &disc)) { fprintf(stderr, Name ": add new device failed for %s: %s\n", dv->devname, strerror(errno)); @@ -246,10 +246,10 @@ int Monitor(mddev_dev_t devlist, struct stat stb; if (fstat(fd, &stb) == 0 && (S_IFMT&stb.st_mode)==S_IFBLK) { - if (MAJOR(stb.st_rdev) == MD_MAJOR) - st->devnum = MINOR(stb.st_rdev); + if (major(stb.st_rdev) == MD_MAJOR) + st->devnum = minor(stb.st_rdev); else - st->devnum = -1- (MINOR(stb.st_rdev)>>6); + st->devnum = -1- (minor(stb.st_rdev)>>6); } } @@ -323,7 +323,7 @@ int Monitor(mddev_dev_t devlist, alert("Fail", dev, dv, mailaddr, alert_cmd); else if (i >= (unsigned)array.raid_disks && (disc.major || disc.minor) && - st->devid[i] == MKDEV(disc.major, disc.minor) && + st->devid[i] == makedev(disc.major, disc.minor) && ((newstate&change)&(1<<MD_DISK_FAULTY)) ) alert("FailSpare", dev, dv, mailaddr, alert_cmd); @@ -335,7 +335,7 @@ int Monitor(mddev_dev_t devlist, alert("SpareActive", dev, dv, mailaddr, alert_cmd); } st->devstate[i] = disc.state; - st->devid[i] = MKDEV(disc.major, disc.minor); + st->devid[i] = makedev(disc.major, disc.minor); } close(fd); st->active = array.active_disks; @@ -129,7 +129,7 @@ int Query(char *dev) if (md_get_version(fd) >= 9000 && ioctl(fd, GET_ARRAY_INFO, &array)>= 0) { if (ioctl(fd, GET_DISK_INFO, &disc) >= 0 && - MKDEV((unsigned)disc.major,(unsigned)disc.minor) == stb.st_rdev) + makedev((unsigned)disc.major,(unsigned)disc.minor) == stb.st_rdev) activity = "active"; else activity = "mismatch"; @@ -675,7 +675,7 @@ int main(int argc, char *argv[]) if ((int)ident.super_minor == -2) { struct stat stb; fstat(mdfd, &stb); - ident.super_minor = MINOR(stb.st_rdev); + ident.super_minor = minor(stb.st_rdev); } } @@ -49,21 +49,21 @@ void make_parts(char *dev, int cnt) return; if (!S_ISBLK(stb.st_mode)) return; - major = MAJOR(stb.st_rdev); - minor = MINOR(stb.st_rdev); + major = major(stb.st_rdev); + minor = minor(stb.st_rdev); for (i=1; i <= cnt ; i++) { struct stat stb2; sprintf(name, "%s%s%d", dev, dig?"p":"", i); if (stat(name, &stb2)==0) { if (!S_ISBLK(stb2.st_mode)) continue; - if (stb2.st_rdev == MKDEV(major, minor+i)) + if (stb2.st_rdev == makedev(major, minor+i)) continue; unlink(name); } else { stb2 = stb; } - mknod(name, S_IFBLK | 0600, MKDEV(major, minor+i)); + mknod(name, S_IFBLK | 0600, makedev(major, minor+i)); chown(name, stb2.st_uid, stb2.st_gid); chmod(name, stb2.st_mode & 07777); } @@ -101,7 +101,7 @@ int open_mddev(char *dev, int autof) /* check major number is correct */ if (autof>0) major = get_mdp_major(); - if (stb.st_mode && MAJOR(stb.st_rdev) != major) + if (stb.st_mode && major(stb.st_rdev) != major) must_remove = 1; if (stb.st_mode && !must_remove) { mdu_array_info_t array; @@ -181,14 +181,19 @@ int open_mddev(char *dev, int autof) /* If it was a 'standard' name and it is in-use, then * the device could already be correct */ - if (stb.st_mode && MAJOR(stb.st_rdev) == major && - MINOR(stb.st_rdev) == minor) + if (stb.st_mode && major(stb.st_rdev) == major && + minor(stb.st_rdev) == minor) ; else { + if (major(makedev(major,minor)) != major || + minor(makedev(major,minor)) != minor) { + fprintf(stderr, Name ": Need newer C library to use more than 4 partitionable md devices, sorry\n"); + return -1; + } if (must_remove) unlink(dev); - if (mknod(dev, S_IFBLK|0600, MKDEV(major, minor))!= 0) { + if (mknod(dev, S_IFBLK|0600, makedev(major, minor))!= 0) { fprintf(stderr, Name ": failed to create %s\n", dev); return -1; } @@ -94,7 +94,7 @@ int md_get_version(int fd) return (vers.major*10000) + (vers.minor*100) + vers.patchlevel; if (errno == EACCES) return -1; - if (MAJOR(stb.st_rdev) == MD_MAJOR) + if (major(stb.st_rdev) == MD_MAJOR) return (3600); return -1; } @@ -465,8 +465,8 @@ int add_dev(const char *name, const struct stat *stb, int flag) char *n = strdup(name); struct devmap *dm = malloc(sizeof(*dm)); if (dm) { - dm->major = MAJOR(stb->st_rdev); - dm->minor = MINOR(stb->st_rdev); + dm->major = major(stb->st_rdev); + dm->minor = minor(stb->st_rdev); dm->name = n; dm->next = devlist; devlist = dm; @@ -609,14 +609,14 @@ char *get_md_name(int dev) if (dev < 0) { int mdp = get_mdp_major(); if (mdp < 0) return NULL; - rdev = MKDEV(mdp, (-1-dev)<<6); + rdev = makedev(mdp, (-1-dev)<<6); sprintf(devname, "/dev/md/d%d", -1-dev); if (stat(devname, &stb) == 0 && (S_IFMT&stb.st_mode) == S_IFBLK && (stb.st_rdev == rdev)) return devname; } else { - rdev = MKDEV(MD_MAJOR, dev); + rdev = makedev(MD_MAJOR, dev); sprintf(devname, "/dev/md%d", dev); if (stat(devname, &stb) == 0 && (S_IFMT&stb.st_mode) == S_IFBLK |