Ability to disable multipart uploads

- Added 'nomultipart' option to disable multipart uploads
  - see issue #181


git-svn-id: http://s3fs.googlecode.com/svn/trunk@347 df820570-a93a-0410-bd06-b72b767a4274

doc/man/s3fs.1

@@ -79,6 +79,8 @@ maximum number of entries in the stat cache
 .TP
 \fB\-o\fR url (default="http://s3.amazonaws.com")
 sets the url to use to access Amazon S3. If you want to use HTTPS, then you can set url=https://s3.amazonaws.com
+.TP
+\fB\-o\fR nomultipart - disable multipart uploads
 .SH FUSE/MOUNT OPTIONS
 .TP
 Most of the generic mount options described in 'man mount' are supported (ro, rw, suid, nosuid, dev, nodev, exec, noexec, atime, noatime, sync async, dirsync).  Filesystems are mounted with '-onodev,nosuid' by default, which can only be overridden by a privileged user.

src/s3fs.cpp

@@ -856,13 +856,12 @@ static int put_local_fd(const char* path, headers_t meta, int fd) {
    * 
    * If file is > 20MB, then multipart will kick in
    */
-
   if(st.st_size > 68719476735LL ) { // 64GB - 1
      // close f ?
      return -ENOTSUP;
   }
 
-  if(st.st_size >= 20971520) { // 20MB
+  if(st.st_size >= 20971520 && !nomultipart) { // 20MB
      // Additional time is needed for large files
      if(readwrite_timeout < 120)
        readwrite_timeout = 120;
@@ -1540,9 +1539,8 @@ static int s3fs_create(const char *path, mode_t mode, struct fuse_file_info *fi)
 
   result = create_file_object(path, mode);
 
-  if(result != 0) {
+  if(result != 0)
      return result;
-  }
 
   // Object is now made, now open it
 
@@ -2147,7 +2145,7 @@ static int s3fs_chmod(const char *path, mode_t mode) {
   headers_t meta;
 
   if(foreground) 
-    cout << "chmod[path=" << path << "][mode=" << mode << "]" << endl;
+    printf("s3fs_chmod [path=%s] [mode=%d]\n", path, mode);
 
   result = get_headers(path, meta);
   if(result != 0)
@@ -2167,8 +2165,9 @@ static int s3fs_chmod(const char *path, mode_t mode) {
 static int s3fs_chown(const char *path, uid_t uid, gid_t gid) {
   int result;
   char *s3_realpath;
+
   if(foreground) 
-    cout << "chown[path=" << path << "]" << endl;
+    printf("s3fs_chown [path=%s] [uid=%d] [gid=%d]\n", path, uid, gid);
 
   headers_t meta;
   result = get_headers(path, meta);
@@ -2209,7 +2208,7 @@ static int s3fs_truncate(const char *path, off_t size) {
 
   fd = fileno(tmpfile());
   if(fd == -1) {
-    syslog(LOG_ERR, "%d###result=%d", __LINE__, -errno);
+    syslog(LOG_ERR, "error: line %d: %d", __LINE__, -errno);
     return -errno;
   }
   
@@ -3720,7 +3719,7 @@ static void show_help (void) {
     "\n"
     "s3fs Options:\n"
     "\n"
-    "   All s3fs options must given in the form where \"opt\" is:\n"
+    "   Most s3fs options are given in the form where \"opt\" is:\n"
     "\n"
     "             <option_name>=<option_value>\n"
     "\n"
@@ -3756,6 +3755,8 @@ static void show_help (void) {
     "   url (default=\"http://s3.amazonaws.com\")\n"
     "      - sets the url to use to access amazon s3\n"
     "\n"
+    "   nomultipart - disable multipart uploads\n"
+    "\n"
     "FUSE/mount Options:\n"
     "\n"
     "   Most of the generic mount options described in 'man mount' are\n"
@@ -3879,6 +3880,12 @@ static int my_fuse_opt_proc(void *data, const char *arg, int key, struct fuse_ar
       use_cache = strchr(arg, '=') + 1;
       return 0;
     }
+
+    if(strstr(arg, "nomultipart") != 0) {
+      nomultipart = true;
+      return 0;
+    }
+    
     if (strstr(arg, "use_rrs=") != 0) {
       use_rrs = strchr(arg, '=') + 1;
       if (strcmp(use_rrs.c_str(), "1") == 0 || 

src/s3fs.h

@@ -31,6 +31,7 @@ int retries = 2;
 
 bool debug = 0;
 bool foreground = 0;
+bool nomultipart = false;
 bool service_validated = false;
 static std::string host = "http://s3.amazonaws.com";
 static std::string service_path = "/";