svn commit: r273485 - head/sys/fs/nfsclient
Rick Macklem
rmacklem at FreeBSD.org
Wed Oct 22 21:57:36 UTC 2014
Author: rmacklem
Date: Wed Oct 22 21:57:35 2014
New Revision: 273485
URL: https://svnweb.freebsd.org/changeset/base/273485
Log:
Revert r273481 so it can be recoded using fls(), which
some feel will make it more readable.
Modified:
head/sys/fs/nfsclient/nfs_clvfsops.c
Modified: head/sys/fs/nfsclient/nfs_clvfsops.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clvfsops.c Wed Oct 22 21:45:12 2014 (r273484)
+++ head/sys/fs/nfsclient/nfs_clvfsops.c Wed Oct 22 21:57:35 2014 (r273485)
@@ -552,7 +552,7 @@ static void
nfs_decode_args(struct mount *mp, struct nfsmount *nmp, struct nfs_args *argp,
const char *hostname, struct ucred *cred, struct thread *td)
{
- int i, s;
+ int s;
int adjsock;
char *p;
@@ -621,36 +621,18 @@ nfs_decode_args(struct mount *mp, struct
if ((argp->flags & NFSMNT_WSIZE) && argp->wsize > 0) {
nmp->nm_wsize = argp->wsize;
- /*
- * Clip at the power of 2 below the size. There is an
- * issue (not isolated) that causes intermittent page
- * faults if this is not done.
- */
- i = NFS_FABLKSIZE;
- for (;;) {
- if (i * 2 > nmp->nm_wsize) {
- nmp->nm_wsize = i;
- break;
- }
- i *= 2;
- }
+ /* Round down to multiple of blocksize */
+ nmp->nm_wsize &= ~(NFS_FABLKSIZE - 1);
+ if (nmp->nm_wsize <= 0)
+ nmp->nm_wsize = NFS_FABLKSIZE;
}
if ((argp->flags & NFSMNT_RSIZE) && argp->rsize > 0) {
nmp->nm_rsize = argp->rsize;
- /*
- * Clip at the power of 2 below the size. There is an
- * issue (not isolated) that causes intermittent page
- * faults if this is not done.
- */
- i = NFS_FABLKSIZE;
- for (;;) {
- if (i * 2 > nmp->nm_rsize) {
- nmp->nm_rsize = i;
- break;
- }
- i *= 2;
- }
+ /* Round down to multiple of blocksize */
+ nmp->nm_rsize &= ~(NFS_FABLKSIZE - 1);
+ if (nmp->nm_rsize <= 0)
+ nmp->nm_rsize = NFS_FABLKSIZE;
}
if ((argp->flags & NFSMNT_READDIRSIZE) && argp->readdirsize > 0) {
More information about the svn-src-head
mailing list