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author | julian <julian@FreeBSD.org> | 1995-12-09 09:11:25 +0000 |
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committer | julian <julian@FreeBSD.org> | 1995-12-09 09:11:25 +0000 |
commit | 024d9b147e9d37cff49c3a8d3bb49524f8e92591 (patch) | |
tree | 34f9b606ff29b54150992119d72901fdf34ff07b /sys/miscfs | |
parent | 9212ef9542fbb04967c6f2fbffbea5a5f679cbda (diff) | |
download | FreeBSD-src-024d9b147e9d37cff49c3a8d3bb49524f8e92591.zip FreeBSD-src-024d9b147e9d37cff49c3a8d3bb49524f8e92591.tar.gz |
clean a few DEVFS things..
fix a bug where you couldn't place devices in the root directory
of devfs
remove deprecated routines
On my machine devfs now shows:
julian@erf.tfs.com:
julian@erf.tfs.com: ls -RF
bpf0 mem ptypb spkr ttyp8
bpf1 null ptypc stderr ttyp9
bpf2 pcaudio ptypd stdin ttypa
bpf3 pcaudioctl ptype stdout ttypb
console pt ptypf tty ttypc
cuaa0 ptyp0 random ttyd0 ttypd
cuaia0 ptyp1 rsd0 ttyid0 ttype
cuala0 ptyp2 rsd1 ttyld0 ttypf
fd/ ptyp3 rvn ttyp0 tun0
fd0.1440 ptyp4 rworm ttyp1 urandom
fd1.1200 ptyp5 scsi/ ttyp2 vn
io ptyp6 sd0 ttyp3 zero
kmem ptyp7 sd1 ttyp4
lkm ptyp8 snp0 ttyp5
log ptyp9 snp1 ttyp6
lpt0 ptypa snp2 ttyp7
./fd:
0 15 21 28 34 40 47 53 6 9
1 16 22 29 35 41 48 54 60
10 17 23 3 36 42 49 55 61
11 18 24 30 37 43 5 56 62
12 19 25 31 38 44 50 57 63
13 2 26 32 39 45 51 58 7
14 20 27 33 4 46 52 59 8
./scsi:
sctarg ssc
julian@erf.tfs.com:
which is all devices really there except for disk slices/partitions..
(if I don't have it it's not there, which has GOT to be an improvement..)
no DEVFS fixes from device maintainers yet?
Diffstat (limited to 'sys/miscfs')
-rw-r--r-- | sys/miscfs/devfs/devfs_proto.h | 2 | ||||
-rw-r--r-- | sys/miscfs/devfs/devfs_tree.c | 107 |
2 files changed, 16 insertions, 93 deletions
diff --git a/sys/miscfs/devfs/devfs_proto.h b/sys/miscfs/devfs/devfs_proto.h index 01dd194..e8571e8 100644 --- a/sys/miscfs/devfs/devfs_proto.h +++ b/sys/miscfs/devfs/devfs_proto.h @@ -14,8 +14,6 @@ int dev_dup_entry(dn_p parent, devnm_p back, devnm_p *dnm_pp, struct devfsmount void dev_free_name(devnm_p devnmp) /*proto*/; int devfs_vntodn(struct vnode *vn_p, dn_p *dn_pp) /*proto*/; int devfs_dntovn(dn_p dnp, struct vnode **vn_pp) /*proto*/; -int get_cdev_major_num(caddr_t addr) /*proto*/; -int get_bdev_major_num(caddr_t addr) /*proto*/; int dev_add_entry(char *name, dn_p parent, int type, union typeinfo *by, devnm_p *nm_pp) /*proto*/ ; int devfs_init(void) /*proto*/; int devfs_mount( struct mount *mp, char *path, caddr_t data, struct nameidata *ndp, struct proc *p) /*proto*/; diff --git a/sys/miscfs/devfs/devfs_tree.c b/sys/miscfs/devfs/devfs_tree.c index 6f32322..746305e 100644 --- a/sys/miscfs/devfs/devfs_tree.c +++ b/sys/miscfs/devfs/devfs_tree.c @@ -2,7 +2,7 @@ /* * Written by Julian Elischer (julian@DIALix.oz.au) * - * $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.9 1995/11/29 10:48:36 julian Exp $ + * $Header: /u1/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.10 1995/12/08 11:17:33 julian Exp $ */ #include "param.h" @@ -134,7 +134,19 @@ int dev_finddir(char *orig_path, dn_p dirnode, int create, dn_p *dn_pp) /*proto* path = pathbuf; strcpy(path,orig_path); - while(*path == '/') path++; /* always absolute, skip leading / */ + /***************************************\ + * always absolute, skip leading / * + * get rid of / or // or /// etc. * + \***************************************/ + while(*path == '/') path++; + /***************************************\ + * If nothing left, then parent was it.. * + \***************************************/ + if ( *path == '\0' ) { + *dn_pp = dirnode; + return 0; + } + /***************************************\ * find the next segment of the name * \***************************************/ @@ -143,6 +155,7 @@ int dev_finddir(char *orig_path, dn_p dirnode, int create, dn_p *dn_pp) /*proto* { cp++; } + /***********************************************\ * Check to see if it's the last component * \***********************************************/ @@ -838,48 +851,7 @@ DBPRINT(("(New vnode)")); } /***********************************************************************\ -* UTILITY routine: * -* Return the major number for the cdevsw entry containing the given * -* address. * -\***********************************************************************/ -int get_cdev_major_num(caddr_t addr) /*proto*/ -{ - int index = 0; - - DBPRINT(("get_cdev_major_num\n")); - while (index < nchrdev) - { - if(((caddr_t)(cdevsw[index].d_open) == addr) - ||((caddr_t)(cdevsw[index].d_read) == addr) - ||((caddr_t)(cdevsw[index].d_ioctl) == addr)) - { - return index; - } - index++; - } - return -1; -} - -int get_bdev_major_num(caddr_t addr) /*proto*/ -{ - int index = 0; - - DBPRINT(("get_bdev_major_num\n")); - while (index < nblkdev) - { - if(((caddr_t)(bdevsw[index].d_open) == addr) - ||((caddr_t)(bdevsw[index].d_strategy) == addr) - ||((caddr_t)(bdevsw[index].d_ioctl) == addr)) - { - return index; - } - index++; - } - return -1; -} - -/***********************************************************************\ -* add a whole device, with not prototype.. make name element and node * +* add a whole device, with no prototype.. make name element and node * \***********************************************************************/ int dev_add_entry(char *name, dn_p parent, int type, union typeinfo *by, devnm_p *nm_pp) /*proto*/ { @@ -957,53 +929,6 @@ void *devfs_add_devsw(char *path, /***********************************************************************\ * Add the named device entry into the given directory, and make it * -* The appropriate type... (called (sometimes indirectly) by drivers..) * -\***********************************************************************/ -void *dev_add(char *path, - char *name, - void *funct, - int minor, - int chrblk, - uid_t uid, - gid_t gid, - int perms) -{ - devnm_p new_dev; - dn_p dnp; /* devnode for parent directory */ - int retval; - int major ; - union typeinfo by; - - DBPRINT(("dev_add\n")); - retval = dev_finddir(path,NULL,1,&dnp); - if (retval) return 0; - switch(chrblk) - { - case DV_CHR: - major = get_cdev_major_num(funct); - by.Cdev.cdevsw = cdevsw + major; - by.Cdev.dev = makedev(major, minor); - if( dev_add_entry(name, dnp, DEV_CDEV, &by,&new_dev)) - return NULL; - break; - case DV_BLK: - major = get_bdev_major_num(funct); - by.Bdev.bdevsw = bdevsw + major; - by.Bdev.dev = makedev(major, minor); - if( dev_add_entry(name, dnp, DEV_BDEV, &by, &new_dev)) - return NULL; - break; - default: - return NULL; - } - new_dev->dnp->gid = gid; - new_dev->dnp->uid = uid; - new_dev->dnp->mode |= perms; - return new_dev; -} - -/***********************************************************************\ -* Add the named device entry into the given directory, and make it * * a link to the already created device given as an arg.. * \***********************************************************************/ void *dev_link(char *path, char *name, void *original) |