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1443
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1 /* |
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2 * JFFS2 -- Journalling Flash File System, Version 2. |
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3 * |
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4 * Copyright (C) 2001-2003 Red Hat, Inc. |
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5 * |
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6 * Created by David Woodhouse <dwmw2@redhat.com> |
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7 * |
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8 * For licensing information, see the file 'LICENCE' in this directory. |
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9 * |
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10 * $Id: gcthread.c,v 1.1 2003/11/26 15:55:35 dwmw2 Exp $ |
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11 * |
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12 */ |
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13 |
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14 #include <linux/kernel.h> |
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15 #include <linux/types.h> |
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16 #include <linux/jffs2.h> |
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17 #include "nodelist.h" |
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18 |
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19 |
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20 static void jffs2_garbage_collect_thread(struct jffs2_sb_info *c); |
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21 |
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22 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c) |
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23 { |
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24 /* Wake up the thread */ |
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25 (void)&jffs2_garbage_collect_thread; |
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26 } |
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27 |
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28 void jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c) |
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29 { |
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30 /* Start the thread. Doesn't matter if it fails -- it's only an optimisation anyway */ |
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31 } |
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32 |
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33 void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c) |
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34 { |
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35 /* Stop the thread and wait for it if necessary */ |
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36 } |
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37 |
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38 |
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39 static void jffs2_garbage_collect_thread(struct jffs2_sb_info *c) |
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40 { |
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41 #define this_thread_should_die() 0 |
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42 while(!this_thread_should_die()) { |
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43 while(!jffs2_thread_should_wake(c)) { |
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44 /* Sleep.... */ |
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45 continue; |
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46 } |
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47 if (jffs2_garbage_collect_pass(c) == -ENOSPC) { |
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48 printf("No space for garbage collection. Aborting JFFS2 GC thread\n"); |
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49 break; |
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50 } |
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51 } |
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52 } |
