Beispiel #1
0
static void
CRTest(char *dname, char *ename, int count)
{
    char tbuffer[200];
    int i;
    afs_int32 fid[3];
    dirhandle dir;
    int code;

    CreateDir(dname, &dir);
    memset(fid, 0, sizeof(fid));
    afs_dir_MakeDir(&dir, fid, fid);
    for (i = 0; i < count; i++) {
	sprintf(tbuffer, "%s%d", ename, i);
	fid[1] = fidCounter++;
	fid[2] = count;
	code = afs_dir_Create(&dir, tbuffer, &fid);
	if (i % 100 == 0) {
	    printf("#");
	    fflush(stdout);
	}
	if (code) {
	    printf("code for '%s' is %d\n", tbuffer, code);
	    return;
	}
    }
    DFlush();
}
Beispiel #2
0
int
afs_mkdir(OSI_VC_DECL(adp), char *aname, struct vattr *attrs, 
     struct vcache **avcp, afs_ucred_t *acred)
{
    struct vrequest *treq = NULL;
    afs_int32 code;
    struct afs_conn *tc;
    struct rx_connection *rxconn;
    struct VenusFid newFid;
    struct dcache *tdc;
    struct dcache *new_dc;
    afs_size_t offset, len;
    struct vcache *tvc;
    struct AFSStoreStatus InStatus;
    struct AFSFetchStatus *OutFidStatus, *OutDirStatus;
    struct AFSCallBack CallBack;
    struct AFSVolSync tsync;
    afs_int32 now;
    struct afs_fakestat_state fakestate;
    XSTATS_DECLS;
    OSI_VC_CONVERT(adp);

    AFS_STATCNT(afs_mkdir);
    afs_Trace2(afs_iclSetp, CM_TRACE_MKDIR, ICL_TYPE_POINTER, adp,
	       ICL_TYPE_STRING, aname);

    OutFidStatus = osi_AllocSmallSpace(sizeof(struct AFSFetchStatus));
    OutDirStatus = osi_AllocSmallSpace(sizeof(struct AFSFetchStatus));
    memset(&InStatus, 0, sizeof(InStatus));

    if ((code = afs_CreateReq(&treq, acred)))
	goto done2;
    afs_InitFakeStat(&fakestate);

    if (strlen(aname) > AFSNAMEMAX) {
	code = ENAMETOOLONG;
	goto done3;
    }

    if (!afs_ENameOK(aname)) {
	code = EINVAL;
	goto done3;
    }
    
    AFS_DISCON_LOCK();

    code = afs_EvalFakeStat(&adp, &fakestate, treq);
    if (code)
	goto done;
    code = afs_VerifyVCache(adp, treq);
    if (code)
	goto done;

    /** If the volume is read-only, return error without making an RPC to the
      * fileserver
      */
    if (adp->f.states & CRO) {
	code = EROFS;
	goto done;
    }
   
    if (AFS_IS_DISCONNECTED && !AFS_IS_DISCON_RW) {
	/*printf("Network is down in afs_mkdir\n");*/
	code = ENETDOWN;
	goto done;
    }
    InStatus.Mask = AFS_SETMODTIME | AFS_SETMODE | AFS_SETGROUP;
    InStatus.ClientModTime = osi_Time();
    InStatus.UnixModeBits = attrs->va_mode & 0xffff;	/* only care about protection bits */
    InStatus.Group = (afs_int32) afs_cr_gid(acred);
    tdc = afs_GetDCache(adp, (afs_size_t) 0, treq, &offset, &len, 1);
    ObtainWriteLock(&adp->lock, 153);

    if (!AFS_IS_DISCON_RW) {
    	do {
	    tc = afs_Conn(&adp->f.fid, treq, SHARED_LOCK, &rxconn);
	    if (tc) {
	    	XSTATS_START_TIME(AFS_STATS_FS_RPCIDX_MAKEDIR);
	    	now = osi_Time();
	    	RX_AFS_GUNLOCK();
	    	code =
		    RXAFS_MakeDir(rxconn,
		    		(struct AFSFid *)&adp->f.fid.Fid,
				aname,
				&InStatus,
				(struct AFSFid *)&newFid.Fid,
				OutFidStatus,
				OutDirStatus,
				&CallBack,
				&tsync);
	    	RX_AFS_GLOCK();
	    	XSTATS_END_TIME;
	    	CallBack.ExpirationTime += now;
	    	/* DON'T forget to Set the callback value... */
	    } else
	    	code = -1;
    	} while (afs_Analyze
		    (tc, rxconn, code, &adp->f.fid, treq, AFS_STATS_FS_RPCIDX_MAKEDIR,
		     SHARED_LOCK, NULL));

    	if (code) {
	    if (code < 0) {
		afs_StaleVCache(adp);
	    }
	    ReleaseWriteLock(&adp->lock);
	    if (tdc)
	    	afs_PutDCache(tdc);
	    goto done;
        }

    } else {
    	/* Disconnected. */

	/* We have the dir entry now, we can use it while disconnected. */
	if (adp->mvid.target_root == NULL) {
	    /* If not mount point, generate a new fid. */
	    newFid.Cell = adp->f.fid.Cell;
    	    newFid.Fid.Volume = adp->f.fid.Fid.Volume;
	    afs_GenFakeFid(&newFid, VDIR, 1);
	}
    	/* XXX: If mount point???*/

	/* Operations with the actual dir's cache entry are further
	 * down, where the dir entry gets created.
	 */
    }			/* if (!AFS_IS_DISCON_RW) */

    /* otherwise, we should see if we can make the change to the dir locally */
    if (tdc)
	ObtainWriteLock(&tdc->lock, 632);
    if (AFS_IS_DISCON_RW || afs_LocalHero(adp, tdc, OutDirStatus, 1)) {
	/* we can do it locally */
	ObtainWriteLock(&afs_xdcache, 294);
	code = afs_dir_Create(tdc, aname, &newFid.Fid);
	ReleaseWriteLock(&afs_xdcache);
	if (code) {
	    ZapDCE(tdc);	/* surprise error -- use invalid value */
	    DZap(tdc);
	}
    }
    if (tdc) {
	ReleaseWriteLock(&tdc->lock);
	afs_PutDCache(tdc);
    }

    if (AFS_IS_DISCON_RW)
	/* We will have to settle with the local link count. */
	adp->f.m.LinkCount++;
    else
	adp->f.m.LinkCount = OutDirStatus->LinkCount;
    newFid.Cell = adp->f.fid.Cell;
    newFid.Fid.Volume = adp->f.fid.Fid.Volume;
    ReleaseWriteLock(&adp->lock);
    if (AFS_IS_DISCON_RW) {
    	/* When disconnected, we have to create the full dir here. */

	/* Generate a new vcache and fill it. */
	tvc = afs_NewVCache(&newFid, NULL);
	if (tvc) {
	    *avcp = tvc;
	} else {
	    code = EIO;
	    goto done;
	}

	ObtainWriteLock(&tvc->lock, 738);
	afs_GenDisconStatus(adp, tvc, &newFid, attrs, treq, VDIR);
	ReleaseWriteLock(&tvc->lock);

	/* And now make an empty dir, containing . and .. : */
	/* Get a new dcache for it first. */
	new_dc = afs_GetDCache(tvc, (afs_size_t) 0, treq, &offset, &len, 1);
	if (!new_dc) {
	    /* printf("afs_mkdir: can't get new dcache for dir.\n"); */
	    code = EIO;
	    goto done;
	}

	ObtainWriteLock(&afs_xdcache, 739);
	code = afs_dir_MakeDir(new_dc,
			       (afs_int32 *) &newFid.Fid,
			       (afs_int32 *) &adp->f.fid.Fid);
	ReleaseWriteLock(&afs_xdcache);
	/* if (code) printf("afs_mkdir: afs_dirMakeDir code = %u\n", code); */

	afs_PutDCache(new_dc);

	ObtainWriteLock(&tvc->lock, 731);
	/* Update length in the vcache. */
	tvc->f.m.Length = new_dc->f.chunkBytes;

	afs_DisconAddDirty(tvc, VDisconCreate, 1);
	ReleaseWriteLock(&tvc->lock);
    } else {
    	/* now we're done with parent dir, create the real dir's cache entry */
	tvc = afs_GetVCache(&newFid, treq, NULL, NULL);
    	if (tvc) {
	    code = 0;
	    *avcp = tvc;

	} else {
	    /* For some reason, we cannot fetch the vcache for our
	     * newly-created dir. */
	    code = EIO;
	}
    }				/* if (AFS_DISCON_RW) */

  done:
    AFS_DISCON_UNLOCK();
  done3:
    afs_PutFakeStat(&fakestate);
    code = afs_CheckCode(code, treq, 26);
    afs_DestroyReq(treq);
  done2:
    osi_FreeSmallSpace(OutFidStatus);
    osi_FreeSmallSpace(OutDirStatus);
    return code;
}