1996/0122/port/devtinyfs.c (diff list | history)

1996/0120/sys/src/9/port/devtinyfs.c:17,28 – 1996/0122/sys/src/9/port/devtinyfs.c:17,39 (short | long | prev | next)
1996/0120		Qmedium,
1996/0116		};
1996/0122		typedef struct FS FS;
1996/0116		struct {
1996/0122		struct FS {
1996/0116		QLock;
1996/0122		Ref r; int dev; FS *next;
1996/0116		Chan *c;
1996/0120		Dirtab file[Nfile+1];
1996/0122		Dirtab *file;
1996/0116		int nfile;
1996/0122		int maxfile; }; struct { QLock; FS *l; int hidev;
1996/0116		} tinyfs; void
1996/0120/sys/src/9/port/devtinyfs.c:46,54 – 1996/0122/sys/src/9/port/devtinyfs.c:57,90
1996/0116		Chan * tinyfsattach(char *spec) {
1996/0120		c = namec((char*)arg[0], Aopen, arg[1], 0);
1996/0122		FS *fs, **l; Chan *c, *cc;
1996/0120
1996/0116		return devattach('E', spec);
1996/0122		cc = namec((char*)arg[0], Aopen, arg[1], 0); qlock(&tinyfs); l = &tinyfs.l; for(fs = tinyfs.l; fs != 0; fs = fs->next){ if(eqchan(c, fs->c)) break; l = &(fs->next); } if(fs){ incref(&fs->r); qunlock(&tinyfs); close(cc); } else { fs = smalloc(sizeof(*fs)); *l = fs; fs->c = cc; incref(&fs->r); qunlock(&tinyfs); } c = devattach('E', spec); c->aux = fs; c->dev = fs->dev; return c;
1996/0116		} Chan *