X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fsorter%2Fsbuck.c;h=515115e282533e9ed00454b23e771ae13c76a4e9;hb=e34560a76a7af3fb428604e4da3cd14cfd1bf454;hp=aecf0dade9bc6c7acb3fbd2b215d1d27fe8c4b20;hpb=6652d8d95e5f89eeb4c16163e708583e2f8f9799;p=libucw.git

diff --git a/lib/sorter/sbuck.c b/lib/sorter/sbuck.c
index aecf0dad..515115e2 100644
--- a/lib/sorter/sbuck.c
+++ b/lib/sorter/sbuck.c
@@ -10,6 +10,7 @@
 #include "lib/lib.h"
 #include "lib/fastbuf.h"
 #include "lib/mempool.h"
+#include "lib/stkstring.h"
 #include "lib/sorter/common.h"
 
 #include <fcntl.h>
@@ -68,12 +69,15 @@ sbuck_swap_in(struct sort_bucket *b)
 {
   if (b->flags & SBF_SWAPPED_OUT)
     {
-      b->fb = bopen(b->filename, O_RDWR, sorter_stream_bufsize);
+      if (sorter_stream_bufsize)	/* FIXME: Needs better configuration, probably semi-automatic one */
+	b->fb = bopen(b->filename, O_RDWR, sorter_stream_bufsize);
+      else
+	b->fb = fbdir_open(b->filename, O_RDWR, NULL);
       if (b->flags & SBF_OPEN_WRITE)
 	bseek(b->fb, 0, SEEK_END);
-      bconfig(b->fb, BCONFIG_IS_TEMP_FILE, 1);	/* FIXME: Was it always so? */
+      bconfig(b->fb, BCONFIG_IS_TEMP_FILE, 1);
       b->flags &= ~SBF_SWAPPED_OUT;
-      SORT_XTRACE("Swapped in %s", b->filename);
+      SORT_XTRACE(2, "Swapped in %s", b->filename);
     }
 }
 
@@ -103,7 +107,10 @@ sbuck_write(struct sort_bucket *b)
   else
     {
       ASSERT(!(b->flags & (SBF_OPEN_READ | SBF_DESTROYED)));
-      b->fb = bopen_tmp(sorter_stream_bufsize);
+      if (sorter_stream_bufsize)
+	b->fb = bopen_tmp(sorter_stream_bufsize);
+      else
+	b->fb = fbdir_open_tmp(NULL);
       if (sorter_debug & SORT_DEBUG_KEEP_BUCKETS)
 	bconfig(b->fb, BCONFIG_IS_TEMP_FILE, 0);
       b->flags |= SBF_OPEN_WRITE;
@@ -115,7 +122,7 @@ sbuck_write(struct sort_bucket *b)
 void
 sbuck_swap_out(struct sort_bucket *b)
 {
-  if ((b->flags & (SBF_OPEN_READ | SBF_OPEN_WRITE)) && b->fb)
+  if ((b->flags & (SBF_OPEN_READ | SBF_OPEN_WRITE)) && b->fb && !(b->flags & SBF_SOURCE))
     {
       if (b->flags & SBF_OPEN_WRITE)
 	b->size = btell(b->fb);
@@ -123,22 +130,27 @@ sbuck_swap_out(struct sort_bucket *b)
       bclose(b->fb);
       b->fb = NULL;
       b->flags |= SBF_SWAPPED_OUT;
-      SORT_XTRACE("Swapped out %s", b->filename);
+      SORT_XTRACE(2, "Swapped out %s", b->filename);
     }
 }
 
 void
-sorter_alloc_buf(struct sort_context *ctx)
+sorter_prepare_buf(struct sort_context *ctx)
 {
-  if (ctx->big_buf)
-    return;
   u64 bs = MAX(sorter_bufsize/2, 1);
   bs = ALIGN_TO(bs, (u64)CPU_PAGE_SIZE);
-  ctx->big_buf = big_alloc(2*bs);
   ctx->big_buf_size = 2*bs;
-  ctx->big_buf_half = ((byte*) ctx->big_buf) + bs;
   ctx->big_buf_half_size = bs;
-  SORT_XTRACE("Allocated sorting buffer (%jd bytes)", (uintmax_t) bs);
+}
+
+void
+sorter_alloc_buf(struct sort_context *ctx)
+{
+  if (ctx->big_buf)
+    return;
+  ctx->big_buf = big_alloc(ctx->big_buf_size);
+  ctx->big_buf_half = ((byte*) ctx->big_buf) + ctx->big_buf_half_size;
+  SORT_XTRACE(2, "Allocated sorting buffer (2*%s)", stk_fsize(ctx->big_buf_half_size));
 }
 
 void
@@ -148,5 +160,5 @@ sorter_free_buf(struct sort_context *ctx)
     return;
   big_free(ctx->big_buf, ctx->big_buf_size);
   ctx->big_buf = NULL;
-  SORT_XTRACE("Freed sorting buffer");
+  SORT_XTRACE(2, "Freed sorting buffer");
 }