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2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/fs/jbd2/revoke.c
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@@ -371,6 +371,11 @@
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 	}
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 #endif
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+	if (WARN_ON_ONCE(handle->h_revoke_credits <= 0)) {
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+		if (!bh_in)
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+			brelse(bh);
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+		return -EIO;
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+	}
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 	/* We really ought not ever to revoke twice in a row without
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            first having the revoke cancelled: it's illegal to free a
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            block twice without allocating it in between! */
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@@ -391,6 +396,7 @@
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 			__brelse(bh);
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 		}
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 	}
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+	handle->h_revoke_credits--;
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 	jbd_debug(2, "insert revoke for block %llu, bh_in=%p\n",blocknr, bh_in);
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 	err = insert_revoke_hash(journal, blocknr,
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@@ -638,10 +644,8 @@
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 {
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 	jbd2_journal_revoke_header_t *header;
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-	if (is_journal_aborted(journal)) {
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-		put_bh(descriptor);
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+	if (is_journal_aborted(journal))
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 		return;
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-	}
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 	header = (jbd2_journal_revoke_header_t *)descriptor->b_data;
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 	header->r_count = cpu_to_be32(offset);