Prevent schedule while atomic in __logfs_readdir
Apparently filldir can sleep, which forbids kmap_atomic. Signed-off-by: Joern Engel <joern@logfs.org>
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@ -303,12 +303,12 @@ static int __logfs_readdir(struct file *file, void *buf, filldir_t filldir)
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(filler_t *)logfs_readpage, NULL);
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if (IS_ERR(page))
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return PTR_ERR(page);
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dd = kmap_atomic(page, KM_USER0);
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dd = kmap(page);
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BUG_ON(dd->namelen == 0);
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full = filldir(buf, (char *)dd->name, be16_to_cpu(dd->namelen),
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pos, be64_to_cpu(dd->ino), dd->type);
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kunmap_atomic(dd, KM_USER0);
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kunmap(page);
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page_cache_release(page);
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if (full)
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break;
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