From 58ab0e7c58e1e8cde3fd7595d25b3537062276b3 Mon Sep 17 00:00:00 2001
From: Simon Wilkinson <sxw@inf.ed.ac.uk>
Date: Sun, 25 Jan 2009 14:48:14 +0000
Subject: [PATCH] disconnected-clear-cstatd-on-reconnect-20090125

LICENSE IPL10
FIXES 124180

don't treat any information we forged as being valid while offline as valid
---
 src/afs/afs_disconnected.c | 18 ------------------
 src/afs/afs_pioctl.c       |  1 +
 src/afs/afs_prototypes.h   |  2 +-
 src/afs/afs_vcache.c       | 24 ++++++++++++++++++++++--
 4 files changed, 24 insertions(+), 21 deletions(-)

diff --git a/src/afs/afs_disconnected.c b/src/afs/afs_disconnected.c
index 966d7296a..9a6bf6d0f 100644
--- a/src/afs/afs_disconnected.c
+++ b/src/afs/afs_disconnected.c
@@ -821,14 +821,6 @@ int afs_ProcessOpCreate(struct vcache *avc,
     /* Now we can set the new fid. */
     memcpy(&avc->fid, &newFid, sizeof(struct VenusFid));
 
-    if (tdp) {
-    	/* Unset parent dir CStat flag, so it will get refreshed on next
-	 * online stat.
-	 */
-	ObtainWriteLock(&tdp->lock, 745);
-	tdp->states &= ~CStatd;
-    	ReleaseWriteLock(&tdp->lock);
-    }
 end:
     if (tdp)
     	afs_PutVCache(tdp);
@@ -944,16 +936,6 @@ int afs_ProcessOpRemove(struct vcache *avc, struct vrequest *areq)
     if (code)
     	printf("afs_ProcessOpRemove: server returned code=%u\n", code);
 
-    /* Remove the statd flag from parent dir's vcache. */
-    ObtainSharedLock(&afs_xvcache, 761);
-    tdp = afs_FindVCache(&pdir_fid, 0, 1);
-    ReleaseSharedLock(&afs_xvcache);
-    if (tdp) {
-    	ObtainWriteLock(&tdp->lock, 746);
-	tdp->states &= ~CStatd;
-	ReleaseWriteLock(&tdp->lock);
-	afs_PutVCache(tdp);
-    }
 end:
     afs_osi_Free(tname, AFSNAMEMAX);
     return code;
diff --git a/src/afs/afs_pioctl.c b/src/afs/afs_pioctl.c
index 4453dd2c0..23fd94636 100644
--- a/src/afs/afs_pioctl.c
+++ b/src/afs/afs_pioctl.c
@@ -4701,6 +4701,7 @@ DECL_PIOCTL(PDiscon)
 		afs_is_discon_rw = 0;
 		printf("\nSync succeeded. You are back online.\n");
 	    }
+	    afs_ClearAllStatdFlag();
 
 	    ReleaseWriteLock(&afs_discon_lock);
 	    break;
diff --git a/src/afs/afs_prototypes.h b/src/afs/afs_prototypes.h
index afc12d7a3..86c55642f 100644
--- a/src/afs/afs_prototypes.h
+++ b/src/afs/afs_prototypes.h
@@ -1003,7 +1003,7 @@ extern afs_int32 afs_NFSFindVCache(struct vcache **avcp,
 extern void afs_vcacheInit(int astatSize);
 extern void shutdown_vcache(void);
 extern void afs_DisconGiveUpCallbacks(void);
-
+extern void afs_ClearAllStatdFlag(void);
 
 /* VNOPS/afs_vnop_access.c */
 extern afs_int32 afs_GetAccessBits(register struct vcache *avc,
diff --git a/src/afs/afs_vcache.c b/src/afs/afs_vcache.c
index 511dfa68a..fef566836 100644
--- a/src/afs/afs_vcache.c
+++ b/src/afs/afs_vcache.c
@@ -3282,7 +3282,6 @@ shutdown_vcache(void)
 	QInit(&afs_vhashTV[i]);
 }
 
-#ifdef AFS_DISCON_ENV
 void afs_DisconGiveUpCallbacks() {
     int i;
     struct vcache *tvc;
@@ -3307,4 +3306,25 @@ void afs_DisconGiveUpCallbacks() {
     /*printf("gone\n");*/
 }
 
-#endif
+/*!
+ *
+ * Clear the Statd flag from all vcaches
+ *
+ * This function removes the Statd flag from all vcaches. It's used by 
+ * disconnected mode to tidy up during reconnection
+ *
+ */
+void afs_ClearAllStatdFlag() {
+    int i;
+    struct vcache *tvc;
+   
+    ObtainWriteLock(&afs_xvcache, 715);
+
+    for (i = 0; i < VCSIZE; i++) {
+	for (tvc = afs_vhashT[i]; tvc; tvc = tvc->hnext) {
+	    tvc->states &= ~(CStatd|CUnique);
+	}
+    }
+    ReleaseWriteLock(&afs_xvcache);
+}
+
-- 
2.39.5