1 files changed, 28 insertions, 7 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 5c7325c5c5e6..ebeb94ce1b0b 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -107,13 +107,19 @@ u64 nfs_compat_user_ino64(u64 fileid)
         return ino;
 }
 
+int nfs_drop_inode(struct inode *inode)
+{
+        return NFS_STALE(inode) || generic_drop_inode(inode);
+}
+EXPORT_SYMBOL_GPL(nfs_drop_inode);
+
 void nfs_clear_inode(struct inode *inode)
 {
         /*
          * The following should never happen...
          */
-        BUG_ON(nfs_have_writebacks(inode));
-        BUG_ON(!list_empty(&NFS_I(inode)->open_files));
+        WARN_ON_ONCE(nfs_have_writebacks(inode));
+        WARN_ON_ONCE(!list_empty(&NFS_I(inode)->open_files));
         nfs_zap_acl_cache(inode);
         nfs_access_zap_cache(inode);
         nfs_fscache_release_inode_cookie(inode);
@@ -155,10 +161,12 @@ static void nfs_zap_caches_locked(struct inode *inode)
         nfsi->attrtimeo_timestamp = jiffies;
 
         memset(NFS_I(inode)->cookieverf, 0, sizeof(NFS_I(inode)->cookieverf));
-        if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode))
+        if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) {
                 nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL|NFS_INO_REVAL_PAGECACHE;
-        else
+                nfs_fscache_invalidate(inode);
+        } else {
                 nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL|NFS_INO_REVAL_PAGECACHE;
+        }
 }
 
 void nfs_zap_caches(struct inode *inode)
@@ -173,6 +181,7 @@ void nfs_zap_mapping(struct inode *inode, struct address_space *mapping)
         if (mapping->nrpages != 0) {
                 spin_lock(&inode->i_lock);
                 NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA;
+                nfs_fscache_invalidate(inode);
                 spin_unlock(&inode->i_lock);
         }
 }
@@ -685,7 +694,10 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
         if (ctx->cred != NULL)
                 put_rpccred(ctx->cred);
         dput(ctx->dentry);
-        nfs_sb_deactive(sb);
+        if (is_sync)
+                nfs_sb_deactive(sb);
+        else
+                nfs_sb_deactive_async(sb);
         kfree(ctx->mdsthreshold);
         kfree(ctx);
 }
@@ -872,7 +884,7 @@ static int nfs_invalidate_mapping(struct inode *inode, struct address_space *map
                 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
         spin_unlock(&inode->i_lock);
         nfs_inc_stats(inode, NFSIOS_DATAINVALIDATE);
-        nfs_fscache_reset_inode_cookie(inode);
+        nfs_fscache_wait_on_invalidate(inode);
         dfprintk(PAGECACHE, "NFS: (%s/%Ld) data cache invalidated\n",
                         inode->i_sb->s_id, (long long)NFS_FILEID(inode));
         return 0;
@@ -948,6 +960,10 @@ static unsigned long nfs_wcc_update_inode(struct inode *inode, struct nfs_fattr
                 i_size_write(inode, nfs_size_to_loff_t(fattr->size));
                 ret |= NFS_INO_INVALID_ATTR;
         }
+
+        if (nfsi->cache_validity & NFS_INO_INVALID_DATA)
+                nfs_fscache_invalidate(inode);
+
         return ret;
 }
 
@@ -1196,8 +1212,10 @@ static int nfs_post_op_update_inode_locked(struct inode *inode, struct nfs_fattr
         struct nfs_inode *nfsi = NFS_I(inode);
 
         nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
-        if (S_ISDIR(inode->i_mode))
+        if (S_ISDIR(inode->i_mode)) {
                 nfsi->cache_validity |= NFS_INO_INVALID_DATA;
+                nfs_fscache_invalidate(inode);
+        }
         if ((fattr->valid & NFS_ATTR_FATTR) == 0)
                 return 0;
         return nfs_refresh_inode_locked(inode, fattr);
@@ -1485,6 +1503,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
                         (save_cache_validity & NFS_INO_REVAL_FORCED))
                 nfsi->cache_validity |= invalid;
 
+        if (invalid & NFS_INO_INVALID_DATA)
+                nfs_fscache_invalidate(inode);
+
         return 0;
  out_err:
         /*