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Btrfs: correctly flush data on defrag when compression is enabled
When the defrag flag BTRFS_DEFRAG_RANGE_START_IO is set and compression enabled, we weren't flushing completely, as writing compressed extents is a 2 steps process, one to compress the data and another one to write the compressed data to disk. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Josef Bacik <jbacik@fb.com>
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1 changed files with 5 additions and 1 deletions
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@ -1382,8 +1382,12 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
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}
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}
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if ((range->flags & BTRFS_DEFRAG_RANGE_START_IO))
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if ((range->flags & BTRFS_DEFRAG_RANGE_START_IO)) {
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filemap_flush(inode->i_mapping);
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if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
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&BTRFS_I(inode)->runtime_flags))
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filemap_flush(inode->i_mapping);
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}
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if ((range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)) {
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/* the filemap_flush will queue IO into the worker threads, but
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