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-rw-r--r--sys/fs/nfsclient/nfs_clrpcops.c23
-rw-r--r--sys/fs/nfsclient/nfs_clvfsops.c8
-rw-r--r--sys/fs/tmpfs/tmpfs_subr.c3
3 files changed, 29 insertions, 5 deletions
diff --git a/sys/fs/nfsclient/nfs_clrpcops.c b/sys/fs/nfsclient/nfs_clrpcops.c
index 55eb983..4528855 100644
--- a/sys/fs/nfsclient/nfs_clrpcops.c
+++ b/sys/fs/nfsclient/nfs_clrpcops.c
@@ -46,6 +46,13 @@ __FBSDID("$FreeBSD$");
#include "opt_inet6.h"
#include <fs/nfs/nfsport.h>
+#include <sys/sysctl.h>
+
+SYSCTL_DECL(_vfs_nfs);
+
+static int nfsignore_eexist = 0;
+SYSCTL_INT(_vfs_nfs, OID_AUTO, ignore_eexist, CTLFLAG_RW,
+ &nfsignore_eexist, 0, "NFS ignore EEXIST replies for mkdir/symlink");
/*
* Global variables
@@ -2530,8 +2537,12 @@ nfsrpc_symlink(vnode_t dvp, char *name, int namelen, char *target,
mbuf_freem(nd->nd_mrep);
/*
* Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.
+ * Only do this if vfs.nfs.ignore_eexist is set.
+ * Never do this for NFSv4.1 or later minor versions, since sessions
+ * should guarantee "exactly once" RPC semantics.
*/
- if (error == EEXIST)
+ if (error == EEXIST && nfsignore_eexist != 0 && (!NFSHASNFSV4(nmp) ||
+ nmp->nm_minorvers == 0))
error = 0;
return (error);
}
@@ -2550,10 +2561,12 @@ nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap,
nfsattrbit_t attrbits;
int error = 0;
struct nfsfh *fhp;
+ struct nfsmount *nmp;
*nfhpp = NULL;
*attrflagp = 0;
*dattrflagp = 0;
+ nmp = VFSTONFS(vnode_mount(dvp));
fhp = VTONFS(dvp)->n_fhp;
if (namelen > NFS_MAXNAMLEN)
return (ENAMETOOLONG);
@@ -2605,9 +2618,13 @@ nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap,
nfsmout:
mbuf_freem(nd->nd_mrep);
/*
- * Kludge: Map EEXIST => 0 assuming that you have a reply to a retry.
+ * Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.
+ * Only do this if vfs.nfs.ignore_eexist is set.
+ * Never do this for NFSv4.1 or later minor versions, since sessions
+ * should guarantee "exactly once" RPC semantics.
*/
- if (error == EEXIST)
+ if (error == EEXIST && nfsignore_eexist != 0 && (!NFSHASNFSV4(nmp) ||
+ nmp->nm_minorvers == 0))
error = 0;
return (error);
}
diff --git a/sys/fs/nfsclient/nfs_clvfsops.c b/sys/fs/nfsclient/nfs_clvfsops.c
index 73c6eb6..b165b96 100644
--- a/sys/fs/nfsclient/nfs_clvfsops.c
+++ b/sys/fs/nfsclient/nfs_clvfsops.c
@@ -779,7 +779,7 @@ nfs_mount(struct mount *mp)
struct thread *td;
char hst[MNAMELEN];
u_char nfh[NFSX_FHMAX], krbname[100], dirpath[100], srvkrbname[100];
- char *opt, *name, *secname;
+ char *cp, *opt, *name, *secname;
int nametimeo = NFS_DEFAULT_NAMETIMEO;
int negnametimeo = NFS_DEFAULT_NEGNAMETIMEO;
int minvers = 0;
@@ -1158,8 +1158,12 @@ nfs_mount(struct mount *mp)
if (vfs_getopt(mp->mnt_optnew, "principal", (void **)&name, NULL) == 0)
strlcpy(srvkrbname, name, sizeof (srvkrbname));
- else
+ else {
snprintf(srvkrbname, sizeof (srvkrbname), "nfs@%s", hst);
+ cp = strchr(srvkrbname, ':');
+ if (cp != NULL)
+ *cp = '\0';
+ }
srvkrbnamelen = strlen(srvkrbname);
if (vfs_getopt(mp->mnt_optnew, "gssname", (void **)&name, NULL) == 0)
diff --git a/sys/fs/tmpfs/tmpfs_subr.c b/sys/fs/tmpfs/tmpfs_subr.c
index 6114608..9a8aa8a 100644
--- a/sys/fs/tmpfs/tmpfs_subr.c
+++ b/sys/fs/tmpfs/tmpfs_subr.c
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
#include <sys/namei.h>
#include <sys/priv.h>
#include <sys/proc.h>
+#include <sys/random.h>
#include <sys/rwlock.h>
#include <sys/stat.h>
#include <sys/systm.h>
@@ -1758,6 +1759,8 @@ tmpfs_itimes(struct vnode *vp, const struct timespec *acc,
}
node->tn_status &=
~(TMPFS_NODE_ACCESSED | TMPFS_NODE_MODIFIED | TMPFS_NODE_CHANGED);
+ /* XXX: FIX? The entropy here is desirable, but the harvesting may be expensive */
+ random_harvest_queue(node, sizeof(*node), 1, RANDOM_FS_ATIME);
}
void
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