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Fixed getdirentries() on nfs mounted msdosfs's. No cookies were returned

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for certain common combinations of directory sizes, cluster sizes, and i/o
sizes (e.g., 4K, 4K, and 4K).  The fix in rev. 1.21 was incomplete.

Reviewed by:	dfr
Obtained from:	party from NetBSD
This commit is contained in:
Bruce Evans 1995-11-13 18:47:40 +00:00
parent 4accbdcc20
commit ebbcda3ef4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=12265
2 changed files with 6 additions and 28 deletions
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17
sys/fs/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.26 1995/10/29 15:31:53 phk Exp $ */
/* $Id: msdosfs_vnops.c,v 1.27 1995/11/09 08:17:23 bde Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.20 1994/08/21 18:44:13 ws Exp $ */
/*-
@ -1595,19 +1595,8 @@ msdosfs_readdir(ap)
on = (uio->uio_offset - bias) & pmp->pm_crbomask;
n = min((u_long) (pmp->pm_bpcluster - on), uio->uio_resid);
diff = dep->de_FileSize - (uio->uio_offset - bias);
if (diff <= 0) {
if(ap->a_eofflag)
*ap->a_eofflag = 1;
if(ap->a_ncookies != NULL) {
u_int *cookies;
MALLOC(cookies, u_int *, 1 * sizeof(u_int),
M_TEMP, M_WAITOK);
*ap->a_ncookies = 0;
*ap->a_cookies = cookies;
}
return 0;
}
if (diff <= 0)
break;
if (diff < n)
n = diff;
error = pcbmap(dep, lbn, &bn, &cn);

17
sys/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.26 1995/10/29 15:31:53 phk Exp $ */
/* $Id: msdosfs_vnops.c,v 1.27 1995/11/09 08:17:23 bde Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.20 1994/08/21 18:44:13 ws Exp $ */
/*-
@ -1595,19 +1595,8 @@ msdosfs_readdir(ap)
on = (uio->uio_offset - bias) & pmp->pm_crbomask;
n = min((u_long) (pmp->pm_bpcluster - on), uio->uio_resid);
diff = dep->de_FileSize - (uio->uio_offset - bias);
if (diff <= 0) {
if(ap->a_eofflag)
*ap->a_eofflag = 1;
if(ap->a_ncookies != NULL) {
u_int *cookies;
MALLOC(cookies, u_int *, 1 * sizeof(u_int),
M_TEMP, M_WAITOK);
*ap->a_ncookies = 0;
*ap->a_cookies = cookies;
}
return 0;
}
if (diff <= 0)
break;
if (diff < n)
n = diff;
error = pcbmap(dep, lbn, &bn, &cn);