From 157efb47e8fb0585582550ef6c9ac53d47b5be66 Mon Sep 17 00:00:00 2001
From: Alja Mrak-Tadel <amraktadel@ucsd.edu>
Date: Wed, 31 Dec 2014 12:45:20 -0800
Subject: [PATCH 1/2] Propagate XrdPss Remove and Rename actions to OucCache
 layer.

---
 src/XrdOuc/XrdOucCache.hh      |  9 +++++++++
 src/XrdPosix/XrdPosixXrootd.cc | 23 +++++++++++++++++++----
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/XrdOuc/XrdOucCache.hh b/src/XrdOuc/XrdOucCache.hh
index 5262802bc12..9c8ab408c3b 100644
--- a/src/XrdOuc/XrdOucCache.hh
+++ b/src/XrdOuc/XrdOucCache.hh
@@ -394,6 +394,15 @@ Debug        = 0x0003; // Produce some debug messages (levels 0, 1, 2, or 3)
 virtual
 XrdOucCache   *Create(Parms &Params, XrdOucCacheIO::aprParms *aprP=0) = 0;
 
+virtual
+int            Unlink(const char* /*path*/) { return 0; }    
+
+virtual
+int            Rmdir(const char* /*path*/) { return 0; }      
+
+virtual
+int            Rename(const char* /*path*/, const char* /*newPath*/) { return 0; }                
+
 /* The following holds statistics for the cache itself. It is updated as
    associated cacheIO objects are deleted and their statistics are added.
 */
diff --git a/src/XrdPosix/XrdPosixXrootd.cc b/src/XrdPosix/XrdPosixXrootd.cc
index e6e6d8b8ceb..0da7741c7fd 100644
--- a/src/XrdPosix/XrdPosixXrootd.cc
+++ b/src/XrdPosix/XrdPosixXrootd.cc
@@ -745,8 +745,13 @@ int XrdPosixXrootd::Rename(const char *oldpath, const char *newpath)
 
 // Issue the rename
 //
-   return XrdPosixMap::Result(admin.Xrd.Mv(admin.Url.GetPathWithParams(),
-                                           newUrl.GetPathWithParams()));
+  std::string urlp    = admin.Url.GetPathWithParams();
+  std::string nurlp   = newUrl.GetPathWithParams();
+  int res = XrdPosixMap::Result(admin.Xrd.Mv(urlp, nurlp));
+  if (!res && myCache)
+     myCache->Rename(urlp.c_str(), nurlp.c_str());
+
+  return res;
 }
 
 /******************************************************************************/
@@ -780,7 +785,12 @@ int XrdPosixXrootd::Rmdir(const char *path)
 
 // Issue the rmdir
 //
-   return XrdPosixMap::Result(admin.Xrd.RmDir(admin.Url.GetPathWithParams()));
+   std::string urlp = admin.Url.GetPathWithParams();
+   int res = XrdPosixMap::Result(admin.Xrd.RmDir(urlp));
+   if (!res && myCache)
+      myCache->Rmdir(urlp.c_str());
+
+   return res;
 }
 
 /******************************************************************************/
@@ -992,7 +1002,12 @@ int XrdPosixXrootd::Unlink(const char *path)
 
 // Issue the UnLink
 //
-   return XrdPosixMap::Result(admin.Xrd.Rm(admin.Url.GetPathWithParams()));
+  std::string urlp = admin.Url.GetPathWithParams();
+  int res = XrdPosixMap::Result(admin.Xrd.Rm(urlp));
+  if (!res && myCache)
+     myCache->Unlink(urlp.c_str());
+
+  return res;
 }
 
 /******************************************************************************/

From cbb85a089d00428072dd4b1fdc96ce72c9e2773c Mon Sep 17 00:00:00 2001
From: Alja Mrak-Tadel <amraktadel@ucsd.edu>
Date: Wed, 14 Jan 2015 14:36:55 -0800
Subject: [PATCH 2/2] Propagate Truncate request from posix to cache.

---
 src/XrdOuc/XrdOucCache.hh      | 14 +++++++++++---
 src/XrdPosix/XrdPosixXrootd.cc | 10 ++++++++--
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/XrdOuc/XrdOucCache.hh b/src/XrdOuc/XrdOucCache.hh
index 9c8ab408c3b..0fcedc71773 100644
--- a/src/XrdOuc/XrdOucCache.hh
+++ b/src/XrdOuc/XrdOucCache.hh
@@ -394,14 +394,22 @@ Debug        = 0x0003; // Produce some debug messages (levels 0, 1, 2, or 3)
 virtual
 XrdOucCache   *Create(Parms &Params, XrdOucCacheIO::aprParms *aprP=0) = 0;
 
+
+// Propagate  Unlink client request from posix layer to cache.
+virtual
+int           Unlink(const char* /*path*/) { return 0; }    
+
+// Propagate  Rmdir client request from posix layer to cache.
 virtual
-int            Unlink(const char* /*path*/) { return 0; }    
+int           Rmdir(const char* /*path*/) { return 0; }      
 
+// Propagate  Rename client request from posix layer to cache.
 virtual
-int            Rmdir(const char* /*path*/) { return 0; }      
+int           Rename(const char* /*path*/, const char* /*newPath*/) { return 0; }                
 
+// Propagate  Truncate client request from posix layer to cache.
 virtual
-int            Rename(const char* /*path*/, const char* /*newPath*/) { return 0; }                
+int           Truncate(const char* /*path*/, off_t /*size*/) { return 0; }    
 
 /* The following holds statistics for the cache itself. It is updated as
    associated cacheIO objects are deleted and their statistics are added.
diff --git a/src/XrdPosix/XrdPosixXrootd.cc b/src/XrdPosix/XrdPosixXrootd.cc
index 0da7741c7fd..adb17e50378 100644
--- a/src/XrdPosix/XrdPosixXrootd.cc
+++ b/src/XrdPosix/XrdPosixXrootd.cc
@@ -984,8 +984,14 @@ int XrdPosixXrootd::Truncate(const char *path, off_t Size)
 
 // Issue the truncate
 //
-   return XrdPosixMap::Result(admin.Xrd.Truncate(admin.Url.GetPathWithParams(),
-                                                 tSize));
+  std::string urlp = admin.Url.GetPathWithParams();
+  int res = XrdPosixMap::Result(admin.Xrd.Truncate(urlp,tSize));
+
+  if (!res && myCache) {
+     myCache->Truncate(urlp.c_str(), tSize);
+  }
+
+  return res;
 }
 
 /******************************************************************************/