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All directory accesses must be made with NFS_DIRBLKSIZE chunks to avoid

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confusing the directory read cookie cache.  The nfs_access implementation
for v2 mounts attempts to read from the directory if root is the user
so that root can't access cached files when the server remaps root
to some other user.

Submitted by:	Doug Rabson <dfr@nlsystems.com>
Reviewed by:	Matthew Dillon <dillon@apollo.backplane.com>
This commit is contained in:
Alan Cox 1999-05-03 20:59:14 +00:00
parent 59b047e234
commit 7f2f2dae43
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=46370
2 changed files with 6 additions and 6 deletions
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6
sys/nfs/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.124 1999/03/12 02:24:58 julian Exp $
* $Id: nfs_vnops.c,v 1.125 1999/05/02 23:56:26 alc Exp $
*/
@ -408,9 +408,9 @@ nfs_access(ap)
error = nfs_readrpc(vp, &auio, ap->a_cred);
else if (vp->v_type == VDIR) {
char* bp;
bp = malloc(DIRBLKSIZ, M_TEMP, M_WAITOK);
bp = malloc(NFS_DIRBLKSIZ, M_TEMP, M_WAITOK);
aiov.iov_base = bp;
aiov.iov_len = auio.uio_resid = DIRBLKSIZ;
aiov.iov_len = auio.uio_resid = NFS_DIRBLKSIZ;
error = nfs_readdirrpc(vp, &auio, ap->a_cred);
free(bp, M_TEMP);
} else if (vp->v_type == VLNK)

6
sys/nfsclient/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.124 1999/03/12 02:24:58 julian Exp $
* $Id: nfs_vnops.c,v 1.125 1999/05/02 23:56:26 alc Exp $
*/
@ -408,9 +408,9 @@ nfs_access(ap)
error = nfs_readrpc(vp, &auio, ap->a_cred);
else if (vp->v_type == VDIR) {
char* bp;
bp = malloc(DIRBLKSIZ, M_TEMP, M_WAITOK);
bp = malloc(NFS_DIRBLKSIZ, M_TEMP, M_WAITOK);
aiov.iov_base = bp;
aiov.iov_len = auio.uio_resid = DIRBLKSIZ;
aiov.iov_len = auio.uio_resid = NFS_DIRBLKSIZ;
error = nfs_readdirrpc(vp, &auio, ap->a_cred);
free(bp, M_TEMP);
} else if (vp->v_type == VLNK)