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Btrfs: don't skip writing out a empty block groups cache
I noticed a slight bug where we will not bother writing out the block group cache's space cache if it's space tree is empty. Since it could have a cluster or pinned extents that need to be written out this is just not a valid test. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
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73bc187680
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1 changed files with 6 additions and 4 deletions
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@ -575,10 +575,6 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
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INIT_LIST_HEAD(&bitmap_list);
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INIT_LIST_HEAD(&bitmap_list);
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node = rb_first(&ctl->free_space_offset);
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if (!node)
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return -1;
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if (!i_size_read(inode))
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if (!i_size_read(inode))
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return -1;
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return -1;
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@ -639,6 +635,12 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
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if (block_group)
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if (block_group)
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start = block_group->key.objectid;
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start = block_group->key.objectid;
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node = rb_first(&ctl->free_space_offset);
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if (!node && cluster) {
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node = rb_first(&cluster->root);
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cluster = NULL;
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}
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/* Write out the extent entries */
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/* Write out the extent entries */
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do {
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do {
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struct btrfs_free_space_entry *entry;
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struct btrfs_free_space_entry *entry;
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