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btrfs: Use less confusing condition for uptodate parameter to btrfs_writepage_endio_finish_ordered
The uptodate parameter of btrfs_writepage_endio_finish_ordered is used to signal whether an error has occured while writing the given page. 0 signals an error, which is propagated to callees and 1 signifies success. In end_compressed_bio_write the ->bi_status is checked and based on it either BLK_STS_OK (0) or BLK_STS_NOTSUPP (1) are used. While from functional point of view this is ok it's a for the poor reader of the code, since the block layer values are conflated with the semantics of the parameter. Just use plain 0 or 1. No functional changes. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -251,7 +251,7 @@ static void end_compressed_bio_write(struct bio *bio)
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cb->compressed_pages[0]->mapping = cb->inode->i_mapping;
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btrfs_writepage_endio_finish_ordered(cb->compressed_pages[0],
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cb->start, cb->start + cb->len - 1,
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bio->bi_status ? BLK_STS_OK : BLK_STS_NOTSUPP);
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bio->bi_status == BLK_STS_OK);
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cb->compressed_pages[0]->mapping = NULL;
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end_compressed_writeback(inode, cb);
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