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Viewing changes to fs/btrfs/ordered-data.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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fs/btrfs/ordered-data.c
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        INIT_LIST_HEAD(&entry->list);
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        INIT_LIST_HEAD(&entry->root_extent_list);
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        trace_btrfs_ordered_extent_add(inode, entry);
 
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        spin_lock(&tree->lock);
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        node = tree_insert(&tree->tree, file_offset,
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                           &entry->rb_node);
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        struct list_head *cur;
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        struct btrfs_ordered_sum *sum;
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        trace_btrfs_ordered_extent_put(entry->inode, entry);
 
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        if (atomic_dec_and_test(&entry->refs)) {
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                while (!list_empty(&entry->list)) {
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                        cur = entry->list.next;
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        spin_lock(&root->fs_info->ordered_extent_lock);
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        list_del_init(&entry->root_extent_list);
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        trace_btrfs_ordered_extent_remove(inode, entry);
 
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        /*
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         * we have no more ordered extents for this inode and
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         * no dirty pages.  We can safely remove it from the
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        u64 start = entry->file_offset;
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        u64 end = start + entry->len - 1;
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        trace_btrfs_ordered_extent_start(inode, entry);
 
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        /*
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         * pages in the range can be dirty, clean or writeback.  We
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         * start IO on any dirty ones so the wait doesn't stall waiting